Rolex Day-Date 40 228238, black dial, 18-karat yellow gold

The Rolex Day-Date 40 with reference 228238 and a black dial is one of the most classic yet striking configurations of the prestigious Day-Date collection. The watch combines a 40 mm Oyster case made of 18-karat yellow gold, a distinctive fluted bezel, a deep black dial, a full-gold President bracelet, and the Rolex caliber 3255 manufacture movement providing day and date indications along with approximately 70 hours of power reserve.

The Day-Date holds a unique place in Rolex history. Since its launch in 1956, the collection has been made exclusively from precious metals and remains the only Rolex family whose name directly refers to the simultaneous display of the date and the full name of the day of the week. Rolex highlights that upon its launch, the Day-Date was the first wristwatch with a calendar displaying the full day of the week in a separate window at 12 o'clock.

Reference 228238 belongs to the Day-Date 40 generation introduced in 2015. Along with the new 40 mm size, Rolex presented the caliber 3255, a new-generation movement developed specifically for this collection. It replaced the mechanisms used in older Day-Date models and brought innovations such as the Chronergy escapement, the blue Parachrom hairspring, Paraflex shock absorbers, and approximately 70 hours of power reserve.

The variant with a black dial is particularly visually striking. The intense black creates a clear contrast with the abundance of yellow gold, making the indices, hands, fluted bezel, and President bracelet even more visible. At the same time, the black dial limits the jewelry-like character of the full gold and gives the watch a more decisive, modern presentation.

In the current configuration, Rolex refers to the black dial as bright black. Its surface features a sunburst finish creating radiating reflections that change with the position of the wrist. Rolex achieves this effect through precise brushing that creates microscopic grooves radiating from the center of the dial, followed by the application of color and a finishing layer.

The full identification of the classic variant may read:

Rolex Oyster Perpetual Day-Date 40 228238, 18-karat yellow gold, black dial, fluted bezel, President bracelet.

In the current lineup, the black dial without stones appears as configuration 228238-0067. The earlier black version of the Day-Date 40 with the same reference was identified among others as 228238-0007. Both belong to the 228238 family and utilize the base architecture of the Day-Date 40 in yellow gold with the caliber 3255.

M&M GOLD's tradition in the luxury goods industry dates back to 1985. M&M GOLD experts help find the precisely specified Rolex Day-Date 40 228238, verify the correct variant of the black dial, the authenticity of the watch, the caliber 3255 movement, the operation of the day and date indications, and the technical condition of the specific example.

Rolex Day-Date 40 228238 with black dial, key parameters

The Rolex Day-Date 40 228238 features a 40 mm Oyster case made of 18-karat yellow gold, a yellow gold fluted bezel, a black dial, central hour, minute, and second hands, full day of the week indication in an arc-shaped window at 12 o'clock, date at 3 o'clock, Cyclops lens, sapphire crystal, Twinlock screw-down crown, water resistance to 100 meters, Rolex manufacture caliber 3255, automatic winding via the Perpetual rotor, Chronergy escapement, paramagnetic blue Parachrom hairspring, Paraflex shock absorbers, approximately 70 hours of power reserve, declared accuracy of -2/+2 seconds per day after casing, stop-seconds function, instantaneous day and date change, and a full-gold three-row President bracelet with semi-circular links and a hidden Crownclasp folding clasp.

Frequently Asked Questions about Rolex Day-Date 40 228238 with black dial

What is the reference number for the Rolex Day-Date 40 in yellow gold with a black dial?

The base reference is 228238. Within this family, there have been several different black dial configurations. The classic earlier black dial without diamonds appeared as 228238-0007, while the current bright black configuration without diamonds is designated as 228238-0067.

Does every 228238 reference have a black dial?

No. Rolex offers the Day-Date 40 228238 with many different dials, including champagne, green, white, black, stone, and diamond options. The base reference 228238 defines the Day-Date 40 family in yellow gold but does not specify a particular dial variant.

Is there more than one black dial in the 228238?

Yes. In addition to the classic black dial with indices, Rolex has offered and continues to offer among others the bright black with baguette diamonds and the natural black onyx dial with diamond indices. Therefore, when purchasing, it is essential to specify exactly which variant is intended.

Is the black dial of the 228238 made of onyx?

No, not in the standard bright black version. The classic black dial is made using traditional watchmaking techniques. Separately, there is a 228238 variant with a true black onyx dial, which is a different configuration.

What does bright black mean in the Rolex Day-Date?

Rolex uses the term bright black for a black dial with an intense, deep color and a finish that causes characteristic light play. In the current 228238-0067, a sunburst surface finish has been applied, through which light creates delicate reflections that shift with wrist movement.

Is the black dial matte?

No, not in the current bright black variant. It has a sunburst finish and subtly changes the way it reflects light depending on the viewing angle.

Does the Rolex Day-Date 40 have a 40 mm case?

Yes. The case of reference 228238 is exactly 40 mm in diameter.

When did Rolex introduce the Day-Date 40?

In 2015. At the same time, the brand presented the new caliber 3255 developed for the Day-Date 40.

Did the Day-Date 40 replace the Day-Date II?

The Day-Date 40 was introduced as a new 40-millimeter interpretation of the collection following the production period of the larger Day-Date II. The new model received more harmonious proportions and a completely new caliber 3255. It should be treated as the next generation of the large Day-Date, not just a simple change of reference number.

Is the 228238 still in production?

Yes. Reference 228238 remains in the current Day-Date 40 family, although Rolex regularly changes and expands the available dial variants and exact configuration codes.

What is the Rolex 228238 made of?

18-karat yellow gold. The case, fluted bezel, and President bracelet are made from this precious metal.

Is the Rolex 228238 full gold?

Yes. This is a full-gold configuration of the Day-Date 40. The case and President bracelet are made of 18-karat yellow gold.

What is the gold purity?

18-karat gold corresponds to the 750 purity, meaning it contains 75 percent pure gold.

Does Rolex produce its own gold?

Yes. Rolex has its own foundry and prepares the 18-karat gold alloys used in its watches under its own control. The brand notes that by varying the proportions of silver, copper, platinum, or palladium, it obtains different types of gold.

Does the Day-Date come only in gold?

The Day-Date is made exclusively from precious metals. Rolex offers the collection in 18-karat yellow gold, white gold, Everose, and 950 platinum. There is no serial steel Day-Date.

Why doesn't Rolex produce a steel Day-Date?

From the beginning, the collection was positioned as the most prestigious line of Rolex and remains reserved for precious metals. This is part of its identity since its launch in 1956.

What movement is in the 228238?

Rolex manufacture caliber 3255.

Is the caliber 3255 automatic?

Yes. It is a mechanical movement with automatic winding realized by a bidirectional Perpetual rotor.

When was the caliber 3255 introduced?

In 2015, together with the launch of the Day-Date 40.

Was the caliber 3255 designed by Rolex?

Yes. Rolex describes it as a movement entirely developed and manufactured by the brand.

What is the power reserve of the 228238?

Approximately 70 hours.

Does 70 hours mean almost three days?

Yes. A fully wound and properly functioning watch can operate for a significant portion of three days after being removed from the wrist.

Can the Day-Date 40 be manually wound?

Yes. Despite automatic winding, the caliber 3255 can also be wound via the crown.

Does the caliber 3255 feature Chronergy?

Yes. The caliber utilizes the patented Chronergy escapement made of nickel and phosphorus. Rolex designed it to combine high energy efficiency with reliability and resistance to strong magnetic fields.

Why is the Chronergy escapement important?

Higher energy efficiency of the escapement helps better utilize the energy of the mainspring, which is one of the elements enabling the achievement of approximately 70 hours of power reserve.

Does the 3255 have a blue Parachrom hairspring?

Yes. Rolex uses the paramagnetic blue Parachrom hairspring.

Does the 3255 have Paraflex?

Yes. The oscillator utilizes high-efficiency Paraflex shock absorbers that increase the movement's resistance to shocks.

Is the movement resistant to magnetic fields?

Rolex uses paramagnetic properties in the caliber 3255, including the Chronergy escapement made of nickel and phosphorus and the blue Parachrom hairspring.

What is the accuracy of the Rolex Day-Date 40 228238?

Rolex declares for the finished watch an accuracy of -2/+2 seconds per day after casing.

Is the Day-Date 40 a Superlative Chronometer?

Yes. The model has Superlative Chronometer certification, which includes both official chronometer certification and additional Rolex tests after the movement is placed in the case.

Does the caliber 3255 have stop-seconds?

Yes. It allows stopping the seconds hand for precise time setting.

Do the day and date change instantaneously?

Yes. The caliber 3255 features instantaneous day of the week and date change, and both indications are equipped with a quick-setting function.

Where is the day of the week located?

In the characteristic arc-shaped window at 12 o'clock.

Where is the date located?

In the window at 3 o'clock under the Cyclops lens.

Is the day name abbreviated?

No. One of the most important features of the Day-Date is the display of the full day of the week name, not a three- or two-letter abbreviation.

In how many languages can the day of the week be displayed?

Rolex currently indicates 26 languages, including Latin, Arabic, Cyrillic, Hebrew, Japanese, Chinese ideograms, and Ge'ez script.

Can the Day-Date have the day of the week in Polish?

The Day-Date has been and is offered with various language day disks. For a specific watch, one must check which language is actually present in that particular example.

Is the day of the week indication unique to the Day-Date?

Yes. The full day of the week name in an arc-shaped window at 12 o'clock is one of the most characteristic elements of this collection.

Was the Day-Date the first watch in the world with a full day of the week?

Rolex presents the Day-Date from 1956 as the first wristwatch with a calendar indicating both the date and the full name of the day of the week in separate windows.

Does the Day-Date have a Cyclops?

Yes. Above the date window is a Cyclops lens that enlarges the indication for better readability.

Is the crystal sapphire?

Yes. Rolex uses scratch-resistant sapphire crystal.

Does the crystal have an anti-reflective coating?

Contemporary Rolex documentation for the Day-Date indicates the use of an anti-reflective coating on the crystal, while retaining the Cyclops lens.

What is the water resistance of the Rolex Day-Date 40?

Up to 100 meters, or 330 feet.

Can you swim in the Rolex Day-Date 228238?

The Oyster construction was designed with a declared water resistance of 100 meters. For a watch in use, current sealing should be technically confirmed before regular contact with water.

Is the Day-Date a dive watch?

No. Despite its water-resistant Oyster construction, it is not a professional dive watch like the Submariner or Sea-Dweller.

What system does the crown have?

The screw-down crown uses Twinlock, a double waterproofing system.

Does the Day-Date 40 have Triplock?

No. The official specification for reference 228238 indicates Twinlock.

What is the fluted bezel made of?

18-karat yellow gold.

Is the fluted bezel only decorative?

Currently, primarily yes, but historically the fluting served a technical function. Rolex explains that it originally served to tightly screw the bezel to the case and contributed to the sealing of the Oyster construction. Over time, it became one of the most recognizable stylistic elements of the brand.

Does the bezel rotate?

No. The fluted bezel of the Day-Date is not a functional ring intended to be rotated by the user.

Is the bezel ceramic?

No. In the 228238, it is made of 18-karat yellow gold.

What bracelet does the Rolex Day-Date 40 228238 have?

The characteristic three-row President bracelet made of 18-karat yellow gold.

Is President the official name of the bracelet?

Yes. Rolex officially uses the term President bracelet.

When was the President bracelet created?

It was created in 1956 specifically for the launch of the Oyster Perpetual Day-Date.

How is the President bracelet constructed?

It consists of three rows of semi-circular links. The construction is more elegant and visually fluid than the sporty Oyster.

Is the President made of steel?

No, not in the Day-Date. Rolex emphasizes that the President bracelet of this collection is made from selected precious metals.

What clasp does the President bracelet have?

A hidden folding Crownclasp.

Why is the Crownclasp almost invisible?

The closing mechanism is integrated with the bracelet links. After closing, the main visible element is a small Rolex crown used to open the clasp.

Does the Day-Date 228238 have Easylink?

No. The official specification for the President bracelet in the 228238 indicates a hidden Crownclasp, without the Easylink system.

Does the Day-Date 228238 have Glidelock?

No. This is a solution used in other Rolex families, primarily selected professional watches and Oysterflex configurations.

Is the President comfortable?

Rolex describes it as a construction created with high comfort in mind. The semi-circular, relatively short links fit well to the shape of the wrist.

Is a full-gold Day-Date heavy?

Yes. The 40 mm case and full President bracelet in 18-karat yellow gold give a significantly greater mass than comparable watches made of steel.

Is the Day-Date 40 larger than the classic Day-Date 36?

Yes. It has 40 mm instead of the classic 36 mm.

Is 40 mm a large size?

In the family of classic Rolex, 40 mm gives a distinct presence but remains a more moderate size than the earlier Day-Date II. The final perception depends on wrist width and how the bracelet fits.

Does the Day-Date 40 suit a smaller wrist?

It can, but the full President bracelet and 40-millimeter gold case mean the watch has a strong presence. Trying it on is the best way to assess proportions.

Does the black dial make the watch look smaller?

Dark dials often visually reduce the watch's surface area compared to light dials. Therefore, the black 228238 may look more compact than the white or champagne variants.

Is the Rolex Day-Date called the President?

Yes, although the formal name of the collection is Day-Date. The nickname "President" or "Presidential" is strongly associated with the characteristic President bracelet and the history of the model worn by influential leaders and people shaping history. Rolex itself describes the connection of the model with public figures and indicates its nickname "watch of presidents".

Was the Day-Date worn exclusively by presidents?

No. Rolex emphasizes that the model was chosen by politicians, leaders, artists, athletes, and other individuals who had an impact on culture and history.

Is the Day-Date 40 a sports watch?

No, in the classic sense. It is a prestigious Oyster watch with high practicality, but its style, full gold, fluted bezel, and President bracelet place it firmly closer to luxury elegance than professional sports models.

Can you wear the Day-Date 40 daily?

Yes. The automatic movement, sapphire crystal, water resistance to 100 meters, and approximately 70 hours of power reserve make it a practical watch for regular use.

Is the black dial more versatile than the champagne dial?

It is a matter of taste, but black is significantly more color-neutral. It also reduces the tonal gold-on-gold effect characteristic of the champagne version.

Does the black dial go with a suit?

Yes. The black dial pairs very well with formal attire. Yellow gold provides a distinct luxury accent, while the black dial introduces an elegant contrast.

With which clothing colors does it pair best?

It works particularly well with black, navy, white, cream, beige, brown, gray, bottle green, and burgundy.

Does the Day-Date with a black dial suit a casual style?

Yes. With a black T-shirt, polo, knitwear, or a simple shirt, a full-gold Day-Date can serve as the main luxury element of the outfit.

Is the 228238 more elegant than the Daytona?

Both watches represent different philosophies. The Daytona is a chronograph with sports origins. The Day-Date was created from the start as a prestigious calendar watch made exclusively of precious metals. In the classic sense, the Day-Date is therefore more formal.

Is the 228238 more elegant than the GMT-Master II?

Yes, in terms of original purpose. The GMT-Master II is a professional travel watch, whereas the Day-Date is a luxury calendar watch.

Does the Day-Date 40 have a GMT function?

No. It shows one local time, the day of the week, and the date.

Does the Day-Date 40 have a chronograph?

No.

Does it have an annual calendar?

No. The caliber 3255 provides the day of the week and date, but does not automatically recognize the length of months like the annual calendar Sky-Dweller.

Do you need to correct the date in shorter months?

Yes. After a month with fewer than 31 days, the date requires manual correction.

Are the day of the week and date set via the crown?

Yes. The caliber 3255 has a safe quick-setting system for both indications via the crown.

Does the Day-Date 40 have a separate button for setting the calendar?

No. The main functions are set via the crown.

Is the movement visible through the caseback?

No. The standard 228238 has a solid screw-down caseback.

Does the Day-Date 40 have Chromalight?

Yes. In the current bright black configuration, Rolex indicates a readable Chromalight display with long-lasting blue luminescence.

Does the black dial glow in the dark?

The indices and hands feature Chromalight luminescent elements, allowing the basic hour to be read in low light.

Does the onyx variant also have Chromalight?

The onyx dial is a completely different configuration with a different type of indices, so one should not automatically transfer the specifications of the classic bright black to the stone version.

What is black onyx in the Day-Date?

Onyx is a natural stone used by Rolex to create special dials. The current 228238 appears among others with a black onyx dial and baguette diamond indices.

Is every dial made of natural onyx identical?

Natural stone may have individual material characteristics. Unlike the standard bright black dial, this is a surface made from a natural mineral.

Is the standard black dial better than onyx?

There is no objective answer. Bright black is more classic, sporty-elegant, and features typical hour indices. Onyx is more jewelry-like, minimalist, and collector-oriented.

Is the black dial with diamonds the same configuration?

No. Rolex also offers a bright black dial with ten baguette diamonds. This is a separate variant from the classic black index dial.

Is the Day-Date 228238 limited?

No. The reference is not a numbered limited edition.

Does Rolex publish the number of produced 228238s?

It does not publish detailed production data for individual configurations in a way that allows determining the exact number of pieces.

Is the 228238 a collector's watch?

It can be interesting to collectors due to the significance of the Day-Date in Rolex history, the introduction of the 40 mm generation with caliber 3255 in 2015, the full-gold construction, and the large number of characteristic dial variants.

Is the black dial one of the more classic configurations?

Yes. Black and yellow gold create a very traditional contrast and are easier to pair with a wardrobe than many more decorative or stone dials.

Is the Rolex Day-Date 228238 a sure investment?

No. A luxury watch should not be presented as an instrument guaranteeing future profit. Its market value may change. Its material, mechanical, historical, and stylistic features are more objective.

Does the Day-Date 40 have historical significance?

Yes. The introduction of the model in 2015 marked a new generation of the collection, a new 40 mm size, and the premiere of the caliber 3255.

Did the 228238 replace the older Day-Date 36?

No. The Day-Date 36 remained a separate line. The Day-Date 40 created a larger alternative for those preferring a stronger watch presence on the wrist.

Did the caliber 3255 later also go to the Day-Date 36?

Yes. Rolex introduced the 3255 to the Day-Date 40 in 2015, and then to the Day-Date 36 in 2019.

Can M&M GOLD find a Rolex Day-Date 40 228238 with a black dial?

Yes. M&M GOLD can search for a precisely specified variant of reference 228238 on the professional independent market.

Can you order a specific black dial without diamonds?

Yes. You can specify the classic black index dial as the required variant.

Can you specify a particular black dial variant?

Yes. Depending on the desired year, you can specify the earlier black dial configuration or the current bright black, and exclude diamond and onyx variants.

Can you specify a particular year?

Yes. Individual sourcing can include a preferred year and requirements regarding the technical condition of a specific watch.

Does M&M GOLD check the caliber 3255?

Yes. During professional control of the 228238, among others, the correct mechanism, accuracy, power reserve, automatic winding, day and date function, and stop-seconds can be verified.

Is the black dial verified?

Yes. With the reference appearing in many variants, it is particularly important to correctly determine the dial configuration and its compatibility with the specific watch.

How long does sourcing a Rolex Day-Date 40 take?

Standard individual sourcing by M&M GOLD takes on average from 7 to 14 business days. With a very precisely specified year or variant, the time may be extended.

How does sourcing begin?

The process begins after making a full prepayment, which enables reserving the correct watch with a trusted partner.

Does a watch acquired by M&M GOLD come with a warranty?

Watches acquired by M&M GOLD have a minimum one-year warranty on the movement in accordance with the conditions of individual sourcing.

History of the Rolex Day-Date

The history of the Rolex Day-Date began in 1956. The model was then an important technical achievement, as it was the first wristwatch with a calendar that, along with the date, presented the full name of the day of the week in a separate, arc-shaped window at 12 o'clock.

This seemingly simple element completely changed the character of the watch.

The date answered the question of which day of the month it was.

The Day-Date additionally informed the user immediately of the day of the week.

Rolex also decided on an extremely characteristic material rule.

The Day-Date has been made exclusively from precious metals from the beginning.

Yellow gold, white gold, pink Everose, and platinum became an integral part of the collection's identity.

1956 and the birth of the President bracelet

Along with the Day-Date, Rolex also created a new bracelet.

The President received three rows of semi-circular links and was made from precious metals from the beginning.

The project aimed to combine comfort with a more elegant appearance than the sporty Oyster.

Over time, the President bracelet became practically as recognizable as the watch itself.

For many people, the characteristic shape of the links allows recognizing the Day-Date from a distance, even without a clear view of the dial.

Why is it called President?

Rolex officially calls the bracelet President.

Around the watch itself, the term "President" or "Presidential" also became established over time.

It is not accidental.

The Day-Date was worn by politicians, leaders, entrepreneurs, artists, and individuals having a significant impact on the world.

Rolex itself describes the collection as a watch accompanying people shaping history and indicates the nickname associated with presidents.

Full name of the day of the week

One of the most important elements of the Day-Date since 1956 remains the way the day is presented.

It is not abbreviated.

We do not see "MON", "TUE", or "WED".

In the arc-shaped window, the full word corresponding to the day's name appears.

Rolex currently offers the indication in 26 languages, making the Day-Date exceptionally strongly tied to the language and culture of the owner.

This is a technically useful function, but also very personal.

Two visually identical Day-Dates may display the day of the week in completely different languages.

Fluted bezel

The fluted bezel has become one of the symbols of classic Rolex.

However, its history began with a purely technical function.

In the first Oyster cases, the fluting allowed a special tool to tightly screw the bezel to the case.

It worked in this way with the screw-down caseback and crown, helping to ensure sealing.

Over time, production technology changed.

The fluting no longer had to perform its original role in the same way.

Rolex decided to keep it, however.

It became an aesthetic element.

Today, the gold fluted bezel is one of the most recognizable stylistic codes of the Datejust, Sky-Dweller, and primarily the Day-Date.

Development of the Day-Date through the decades

Rolex developed the collection evolutionarily.

Mechanisms changed.

Cases were improved.

New dials appeared.

The President bracelet was developed.

New materials were introduced.

However, the base architecture remained easy to recognize.

Day at 12.

Date at 3.

Cyclops.

Fluted bezel.

President.

This is a stylistic language that has remained incredibly consistent for decades.

Day-Date 36

For a huge part of its history, 36 mm was the most classic size of the Day-Date.

In an era when men's watches were significantly smaller than today, 36 mm was a natural size for a formal luxury watch.

To this day, the Day-Date 36 remains in the lineup.

It has not been replaced by a larger model.

It represents a more traditional alternative for those who appreciate classic proportions.

Day-Date II

Along with changes in watchmaking trends and the growing popularity of larger watches, Rolex introduced the Day-Date II.

The model was significantly larger and visually more massive.

It gave the full-gold watch an even stronger presence on the wrist.

However, it was not the final stage of evolution.

In 2015, Rolex presented the next generation.

Premiere of the Rolex Day-Date 40 in 2015

The Day-Date 40 was an extremely important premiere.

Rolex applied a diameter of 40 mm and simultaneously presented a completely new generation of movement.

The caliber 3255 was one of the most important technical achievements of the brand during that period.

Rolex indicated improvements in terms of precision, power reserve, shock and magnetic resistance, setting comfort, and reliability.

The power reserve increased to approximately 70 hours, which is about 24 hours more than in the previous generation of movement.

Caliber 3255

The 3255 is the technical foundation of reference 228238.

The movement is responsible for central hour, minute, and second indication, instantaneous day of the week, instantaneous date, and the stop-seconds function.

Automatic winding is realized by the Perpetual rotor.

One of the most important elements of the new generation became the Chronergy escapement.

Chronergy Escapement

Rolex made the Chronergy from nickel and phosphorus.

The material ensures resistance to strong magnetic fields.

At the same time, the geometry of the escapement was optimized for energy efficiency.

In a mechanical watch, every saved part of energy matters.

The less energy is lost during the transfer of impulses to the oscillator, the longer the movement can operate from the same mainspring.

Therefore, the Chronergy works directly with the concept of the longer 3255 power reserve.

Parachrom Hairspring

The caliber features the blue Parachrom hairspring.

Rolex makes it from a paramagnetic alloy.

In addition to resistance to magnetic fields, the material is characterized by stability at temperature changes and high resistance to shocks.

The spring also uses the characteristic Rolex end curve, which helps maintain regularity of operation in different watch positions.

Paraflex

The oscillator is mounted on high-efficiency Paraflex shock absorbers.

Their purpose is to increase resistance to impacts.

Rolex developed and patented this system as part of its own movement technology.

The Day-Date is a luxury watch, but the 3255 was not designed as a delicate mechanism intended solely for sporadic wear.

It is meant to provide real daily reliability.

Approximately 70 Hours Power Reserve

One of the biggest practical advantages of the caliber is the approximately 70 hours of power reserve.

This gives almost three days of operation.

If the owner wears the Day-Date during the week and changes watches on the weekend, there is a good chance that after a short break, they will not have to reset the hour, day, and date again.

In a watch possessing two calendar indications, a longer power reserve is particularly convenient.

Superlative Chronometer

The year 2015 was important not only because of the 3255.

Rolex also tightened its own Superlative Chronometer standard during this period.

After official certification of the movement, the brand tests the complete watch after placing the movement in the case.

The declared precision for the Day-Date 40 is -2/+2 seconds per day.

The tests also include parameters related to water resistance, automatic winding, and power reserve.

Reference 228238

In the Rolex system, 228238 identifies the Day-Date 40 made of 18-karat yellow gold.

Many dial variants exist within it.

This is very important.

Two watches labeled as 228238 can look completely different.

One may have a classic black index dial.

Another may have an onyx dial.

A third may have a champagne dial.

Another may feature diamonds.

Therefore, during professional watch sourcing, it is always worth providing not only the base reference but also the exact dial variant.

Black Dial 228238

Black and yellow gold create one of the most classic contrasts in luxury watchmaking.

In the Day-Date, the effect is exceptionally strong because gold is found practically everywhere except on the dial and crystal.

The case is gold.

The bezel is gold.

The bracelet is gold.

The hands and applied indices also visually reference the material of the case.

The black surface thus acts as a background highlighting every metal element.

Bright Black and the Sunburst Effect

The current black dial is not a flat surface.

Rolex uses a sunburst finish.

Microscopic grooves radiate from the center.

Under the influence of light, their fragments sequentially brighten and darken.

Thanks to this, a watch that may look very deep and almost entirely black in the shade begins to show subtle radiating reflections in direct light.

It is precisely this variability that makes the bright black look significantly more complex in person than in a static photograph.

Applied Indices

The indices are separate applications mounted on the dial.

In the classic black configuration, their geometric shape is simple and modern.

They do not visually compete with the two calendar windows.

The most important element at 12 o'clock remains the full name of the day of the week.

At 3 o'clock, the Cyclops and date dominate.

The indices create an ordered scale of time between them.

Chromalight

In the current version of the black dial, the hands and indices utilize Chromalight.

The elements emit long-lasting blue luminescence.

This is a detail that distinguishes the modern Day-Date from a purely formal vintage watch.

Even in full gold, it retains functionality allowing the hour to be read in the dark.

Day of the Week Window

The arc-shaped opening located at 12 o'clock is likely the most characteristic element of the Day-Date.

The shape is wide.

This allows writing the full name of the day instead of an abbreviation.

It is a simple function, but very difficult to replace with another design without losing the visual identity of the model.

A Day-Date without the characteristic window at 12 o'clock would cease to look like a Day-Date.

Date and Cyclops

At 3 o'clock is the date.

The Cyclops optically enlarges the indication and is one of the most recognizable Rolex solutions.

In the Day-Date, it particularly well visually balances the wide day of the week window.

The dial is not perfectly symmetrical, but its two calendar elements create a recognizable balance.

Instantaneous Calendar Change

The 3255 mechanism was designed so that the day and date change instantaneously.

From the user's perspective, this is a small mechanical spectacle.

Instead of the slow shifting of markers over a long time around midnight, the indications jump to the next value in a very short moment.

This is one of those functions that seem simple only when executed exceptionally well.

Fluted Bezel and Black Dial

The black dial further emphasizes the fluting.

Each fragment of the gold bezel reflects light independently.

Against the dark center, the watch creates an effect of a golden frame surrounding the black surface.

In direct sunlight, the bezel may be the most shining element of the entire watch.

In the evening, it gains a more subtle character, and the black begins to dominate.

Full 18-Karat Yellow Gold

Yellow gold is the most classic metal associated with the historical Day-Date.

Rolex prepares its own alloys in an internal foundry.

Control thus begins even before the actual execution of the watch components.

In the 228238, the large amount of gold has a huge significance for the owner's experience.

The watch is noticeably heavy.

The metal has a characteristic temperature and way of reflecting light.

A full-gold bracelet gives a different feeling than a watch with a gold case on a leather strap.

President Bracelet

The President is just as important an element of the design as the dial.

Three rows of semi-circular links ensure a very characteristic rhythm of the surface.

The central row creates a fluid line running across the entire wrist.

The construction looks more elegant than the sporty Oyster and less jewelry-like than the five-row Jubilee.

It is instantly recognizable as the proper bracelet for the Day-Date.

Hidden Crownclasp

One of the best elements of the President is the way the bracelet ends.

In a traditional clasp, a large buckle is visible.

In the Crownclasp, the mechanism almost disappears between the links.

A small gold Rolex crown remains visible.

Lifting it opens the clasp.

Thanks to this, after closing, the bracelet forms a practically unbroken line of gold links.

40 mm Oyster Case

Despite its formal character, the Day-Date utilizes the Oyster construction.

The middle part of the case is made from a single block of gold.

The caseback is screw-down.

The crown is also screw-down and utilizes the Twinlock system.

The watch retains water resistance to 100 meters.

This is very characteristic for Rolex.

The brand combines classic luxury with a technical construction that allows actually using the watch daily.

Twinlock

Twinlock utilizes a double sealing system.

After tightening, the crown works with the Oyster case and helps protect the movement from water and contaminants.

In the Day-Date, there is no need to use the more complex Triplock known from some professional watches.

100 meters of water resistance is a parameter appropriate for the purpose of this collection.

Day-Date 40 vs. Day-Date 36

The most important difference is the size.

36 mm gives a more classic, historical look.

40 mm is significantly more contemporary.

Full gold in a large case and on a massive President means the 228238 has a decidedly larger presence.

Both sizes today use the same base stylistic language and caliber 3255, but the way they look on the wrist is very different.

Day-Date 40 vs. Day-Date II

The Day-Date II represented an earlier attempt to increase the classic Day-Date.

The Day-Date 40 was later redesigned with more harmonious proportions and a new generation of movement.

For someone looking for a contemporary full-gold Day-Date, the 228238 has become one of the primary reference points.

Rolex Day-Date 228238 Black Dial vs. Champagne

These are two completely different ways of interpreting yellow gold.

The champagne dial creates a tonal effect.

The gold of the case visually transitions into the gold dial.

The entire watch becomes a unified gold composition.

The black dial works oppositely.

It separates from the case.

It emphasizes the contour of the bezel.

It highlights the indices.

It reduces the amount of gold color visible simultaneously on the watch.

Thanks to this, it may look more modern.

Black Dial vs. Green

The green Day-Date 40 has become one of the most recognizable contemporary configurations.

Green creates a more characteristic and decisive color watch.

The black variant is more neutral.

It can be paired more easily with practically any wardrobe.

This does not mean it is less striking.

The contrast of black with yellow gold is exceptionally strong.

Black Dial vs. Onyx

Onyx is much closer to the world of jewelry and natural stones.

Its surface is visually incredibly deep and uniform.

The standard bright black, on the other hand, has a sunburst finish that reacts to light.

Onyx often works with diamond indices as well.

The bright black in index version is a more classic watch design.

Black Dial vs. Bright Black with Diamonds

The diamond version uses ten baguette-cut diamonds as hour indices.

This changes the character of the watch significantly.

The classic black index is elegant and relatively clean.

The diamond bright black is more jewelry-like and reflects light even more strongly.

The choice depends primarily on whether the owner expects a classic gold Day-Date or wants to additionally emphasize its jewelry character.

Day-Date 40 vs. Sky-Dweller

Both models can be made in full gold and have an elegant fluted bezel.

Functionally, however, they are completely different.

The Day-Date shows the day of the week and the date.

The Sky-Dweller has a second time zone and an annual calendar.

The Day-Date is more classic.

The Sky-Dweller is more technical and travel-oriented.

The Day-Date has the President.

The Sky-Dweller, depending on the configuration, can use the Oyster, Jubilee, or Oysterflex.

Day-Date 40 vs. GMT-Master II Full Gold

The GMT-Master II is a professional travel watch.

It has a ceramic bezel and a GMT hand.

The Day-Date 40 is a prestigious watch with a full calendar indication of the day and date.

Both can be made with a large amount of gold, but their personalities are completely different.

The GMT is sporty.

The Day-Date is formal and classic.

Day-Date 40 vs. Daytona Full Gold

The Daytona is a mechanical chronograph.

The tachymeter scale, three subdials, and chronograph pushers directly reference motorsport.

The Day-Date focuses on time, day of the week, and date.

Instead of the Oyster bracelet, we receive the President.

Instead of a sporty tachymeter bezel, we have classic fluting.

These are two completely different ways of interpreting a full-gold Rolex.

Who is the Rolex Day-Date 40 228238 with a black dial for?

This is a natural choice for someone seeking one of the most recognizable full-gold Rolex watches but preferring a more contrasting style than the classic champagne dial.

It will suit someone who appreciates the Day-Date tradition, full yellow gold, the President bracelet, practical day and date indications, and the contemporary 40-millimeter size.

The black dial makes it additionally exceptionally versatile.

How to wear the Rolex Day-Date 40 with a black dial?

With a black shirt or T-shirt, the watch becomes the main gold element of the outfit.

With a white shirt, it creates a strong, classic contrast.

With a navy suit, yellow gold looks more formal and elegant.

With beige and brown, the composition becomes warmer.

Black also allows pairing the watch with green, burgundy, gray, and practically any neutral color.

Does a full-gold Day-Date need additional jewelry?

No.

The watch itself has a very strong presence.

The full President, fluted bezel, and gold case provide plenty of light reflections.

If the owner wears additional jewelry, the best effect is often achieved by maintaining simplicity.

Day-Date as a Business Watch

For decades, the Day-Date has built an exceptionally strong connection with business, leadership, and individuals having an impact on the surrounding world.

This does not result solely from marketing.

The design itself is perfectly suited for such application.

The watch shows the day of the week.

It shows the date.

It is automatic.

It has approximately 70 hours of power reserve.

It is elegant.

At the same time, it possesses a solid Oyster case and 100 meters of water resistance.

Does the Day-Date 40 suit as a single Rolex?

Yes.

For someone preferring gold watches, it can perform practically any daily function except specialized sports tasks.

You can wear it for business.

You can wear it in the evening.

It suits casual wear.

It is durable enough for normal daily use.

However, it lacks the complications of a chronograph, GMT, or dive bezel.

Black Dial in the Evening

In weaker lighting, the black becomes more uniform.

The gold indices and hands gain greater contrast.

The fluted bezel reflects even small light sources.

The President begins to behave almost like gold jewelry.

Under such conditions, the watch looks completely different than in strong sunlight, where the dial shows more radiating reflections.

Day-Date as a Rolex Symbol

There are more sporty Rolex models.

There are technically more complicated models.

The Day-Date, however, has a unique position.

Since 1956, it has remained one of the purest symbols of the luxury side of the brand.

It has never needed a steel version.

It has never needed a ceramic sports bezel.

Its identity is based on a few elements that have remained recognizable for decades: precious metal, day of the week, date, Cyclops, fluted bezel, and President.

Significance of Reference 228238

The 228238 added contemporary proportions and a new generation of movement to this history.

The 40 mm allowed the Day-Date to better respond to the preferences of those wearing larger watches.

The caliber 3255 increased the power reserve and introduced new technical solutions.

At the same time, Rolex did not change the base identity of the model.

This is still undoubtedly the Day-Date.

Significance of the Black Dial for the 228238

The black dial does not try to compete with full gold.

It acts as a contrasting background.

It allows appreciating the color of the metal.

It facilitates reading the time.

It gives the large gold watch a touch of sporty rawness.

This is exactly why the black 228238 may appeal to those who consider the classic champagne Day-Date too uniformly gold.

Authenticity of the Rolex Day-Date 40 228238

Professional control should cover the entire watch.

One must verify the reference, the specific variant of the black dial, indices, hands, both calendar windows, Cyclops, fluted bezel, case, President, Crownclasp, markings, and the caliber 3255.

Simply recognizing yellow gold and a black dial is not enough.

The popularity of the Day-Date means that the market features both replica watches and constructions containing incorrectly matched elements.

Verification of Caliber 3255

The movement should correctly perform all functions.

One must check accuracy.

Power reserve.

Automatic winding.

Instantaneous day change.

Instantaneous date change.

Quick calendar setting.

Stop-seconds.

The reference power reserve is approximately 70 hours, and the declared precision is -2/+2 seconds per day after casing.

Verification of the Black Dial

With the 228238, it is particularly important to determine which black configuration we are dealing with.

Classic black index.

Bright black.

Bright black with diamonds.

Onyx.

These are not the same variant.

They differ in material, index construction, appearance, and configuration code.

Technical Control of the Rolex Day-Date 40

In a used watch, one must check the correct operation of the Twinlock crown, hour setting, stop-seconds mechanism, day of the week, date, quick correction of both indications, moment of calendar change, accuracy, power reserve, automatic winding, condition of the crystal, Cyclops, Crownclasp, and current sealing.

The Day-Date is mechanically much more complex than a simple three-hand watch without a calendar, therefore controlling both date indications is of significant importance.

Sourcing Rolex Day-Date 40 228238 with Black Dial via M&M GOLD

M&M GOLD can search for a precisely specified Rolex Day-Date 40 228238 with a black dial consistent with the client's individual requirements.

When ordering, one can specify specifically the classic black dial without stones, the earlier 228238-0007 configuration, the contemporary bright black, or another selected variant, as well as a preferred year and requirements regarding the technical condition of the watch.

Individual sourcing begins after making a full prepayment, which enables reserving the correct example with a trusted partner.

Standard realization takes on average from 7 to 14 business days. With exceptionally precise requirements regarding the dial, day of the week disk language, or a specific year, the time may be longer.

Each watch acquired by M&M GOLD comes from a trusted source, undergoes control before release, and has a minimum one-year warranty on the movement.

Why buy the Rolex Day-Date 40 228238 at M&M GOLD?

With the Day-Date, correct identification requires more than reading the base reference.

The 228238 appears with many dials.

Different black variants may be similar in name but very different in construction.

Additionally, the Day-Date may have various languages for the day of the week indication.

M&M GOLD experts can verify the exact dial configuration, watch authenticity, correct caliber 3255, day and date function, accuracy, power reserve, case, fluted bezel, crystal, Cyclops, President, and Crownclasp.

M&M GOLD's tradition in the luxury goods industry dates back to 1985. We combine experience in luxury watches, gold, diamonds, and jewelry with individual sourcing of the most recognizable Rolex references.

Rolex Day-Date 40 228238 with Black Dial from M&M GOLD Experts

The Rolex Day-Date 40 228238 with a black dial is one of the most classic contemporary configurations of the full-gold Day-Date.

The Oyster case has a diameter of 40 mm and is made of 18-karat yellow gold. The characteristic fluted bezel and three-row President bracelet are made from the same material. The hidden Crownclasp allows maintaining a fluid line of gold links almost around the entire wrist.

The black dial creates a very strong contrast with yellow gold. In the current bright black configuration, Rolex uses a sunburst finish, through which the surface dynamically reacts to light. Radiating reflections shift during wrist movement, causing the dial to look from deep black to lighter, subtly illuminated shades.

At 12 o'clock is the most characteristic element of the collection, the full name of the day of the week. At 3 o'clock is the date under the Cyclops lens.

The Day-Date was presented in 1956 and was the first wristwatch with a calendar showing the full name of the day of the week in a separate window. From the beginning, it has been made exclusively from precious metals.

The President bracelet was created specifically for the Day-Date premiere in 1956. Its three rows of semi-circular links have become one of the most recognizable Rolex designs.

Reference 228238 represents the Day-Date 40 generation presented in 2015. Along with it debuted the caliber 3255, a modern automatic movement developed and manufactured by Rolex.

The caliber 3255 utilizes the Chronergy escapement, blue Parachrom hairspring, Paraflex shock absorbers, and automatic winding via the Perpetual rotor. It provides approximately 70 hours of power reserve and declared precision of -2/+2 seconds per day after casing.

The Oyster construction ensures water resistance to 100 meters. The crown utilizes the double Twinlock system, and the crystal is made of scratch-resistant sapphire.

The black 228238 occupies a special place between the most classic and more extravagant Day-Dates.

It is significantly more contrasting than the version with a champagne dial.

More subdued than many diamond configurations.

Less decorative than natural onyx.

And yet it still utilizes all the most important Day-Date codes: full yellow gold, fluted bezel, President, Crownclasp, full day of the week, and Cyclops.

Through M&M GOLD, you can order a specifically selected Rolex Day-Date 40 228238 with a black dial, specifying the exact dial variant, preferred year, day of the week indication language, and requirements for a specific example.

The client receives not a random Day-Date 228238, but a precisely identified and verified configuration corresponding to their expectations.