Rolex GMT Master II Batgirl

The Rolex GMT Master II Batgirl is one of the most recognizable modern Rolex sports watches, combining a black dial, blue-and-black Cerachrom bezel and the five-piece Jubilee bracelet in Rolex Oystersteel. Officially identified by reference 126710BLNR, this GMT-Master II is designed to display multiple time zones while maintaining the distinctive proportions and engineering associated with the Rolex professional watch collection.

The nickname “Batgirl” is commonly used by collectors and enthusiasts to describe the blue-and-black GMT-Master II fitted with the Jubilee bracelet. Rolex itself identifies the watch by its official model and reference rather than the nickname. Reference 126710BLNR is specified with a 40 mm Oyster case in Oystersteel, a black dial, a blue-and-black two-colour Cerachrom bezel insert, a Jubilee bracelet and Rolex Calibre 3285.

For collectors looking for a luxury travel watch with a distinctive two-tone ceramic bezel and a practical second-time-zone function, the Rolex GMT Master II Batgirl offers a combination of technical functionality and instantly recognizable design.

At LuxeChronos, this model is presented for collectors and luxury-watch enthusiasts who appreciate the GMT-Master II’s history, engineering and distinctive blue-and-black aesthetic.

What Is the Rolex GMT Master II Batgirl?

The Rolex GMT Master II Batgirl is the collector nickname for the Rolex GMT-Master II reference 126710BLNR when paired with the Jubilee bracelet.

The name “Batgirl” is not an official Rolex model name. It developed within the watch-collecting community as an informal way of distinguishing the blue-and-black GMT-Master II on a Jubilee bracelet from other GMT-Master II configurations.

Reference 126710BLNR features a 40 mm Oystersteel case and a black dial. Its most recognizable feature is the bidirectional rotating 24-hour bezel fitted with a blue-and-black Cerachrom ceramic insert. The watch is paired with a five-piece-link Jubilee bracelet and powered by Rolex Calibre 3285.

This combination gives the watch its distinctive appearance.

The black dial creates a strong contrast with the blue-and-black bezel, while the Jubilee bracelet introduces a more refined visual character than the traditional three-piece Oyster bracelet.

Collectors searching for a Rolex GMT Master II Batgirl should therefore pay close attention to the reference number 126710BLNR, bracelet configuration and bezel colours when identifying a specific watch.

Rolex 126710BLNR

The reference number 126710BLNR is central to identifying the modern blue-and-black GMT-Master II.

Rolex specifies reference 126710BLNR with an Oyster 40 mm case manufactured from Oystersteel. The watch features a black dial, blue-and-black Cerachrom bezel insert, sapphire crystal with Cyclops lens, and 100-metre water resistance.

The movement is Rolex Calibre 3285, a self-winding mechanical movement with a GMT function and approximately 70 hours of power reserve. Rolex also identifies the movement as a Manufacture Rolex calibre and the completed watch as a Superlative Chronometer.

When purchasing a Rolex 126710BLNR, the reference number provides an important starting point for confirming the model. However, collectors should also verify the exact bracelet, dial, condition, production details, accessories and documentation associated with the individual watch.

The Blue and Black Cerachrom Bezel

The blue-and-black bezel is the defining visual feature of the Rolex GMT Master II Batgirl.

Rolex uses its proprietary Cerachrom ceramic for the two-colour 24-hour bezel insert. The insert is designed to provide high resistance to scratching and maintain its colour against environmental effects. Rolex describes its high-technology ceramic as particularly resistant to scratching, corrosion and colour changes caused by environmental exposure.

The bezel is bidirectionally rotatable and marked with a 24-hour graduation. This allows the wearer to use the bezel together with the GMT hand to read an additional time zone.

The blue-and-black colour combination is also responsible for the watch’s distinctive collector nickname.

The upper and lower sections of the bezel create a visual indication of day and night, while the 24-hour graduation allows the GMT function to be read quickly.

For many enthusiasts, this bezel is the first feature they notice when looking at a Rolex Batgirl.

Oystersteel Construction

The case of the Rolex GMT Master II Batgirl is made from Oystersteel.

Rolex developed Oystersteel as a corrosion-resistant alloy within its family of high-performance steels. The material is used for many Rolex professional models and contributes to the watch’s robust appearance.

Reference 126710BLNR has a 40 mm Oyster case with a screw-down case back and screw-down Triplock winding crown. Rolex specifies water resistance to 100 metres, or 330 feet.

The Oyster case is designed to protect the movement from external elements while maintaining the recognizable silhouette of the GMT-Master II.

The combination of Oystersteel, sapphire crystal and the screw-down crown makes the watch suitable for a wide range of everyday situations, although water resistance should always be considered in relation to the individual watch’s condition and maintenance.

The Jubilee Bracelet

One of the most important differences between the Rolex GMT Master II Batgirl and other GMT-Master II configurations is the bracelet.

Reference 126710BLNR is associated with the five-piece Jubilee bracelet. Rolex describes the Jubilee as a five-piece-link bracelet and equips GMT-Master II bracelets with the Oysterlock safety clasp. The Easylink comfort extension system allows the bracelet length to be increased by approximately 5 mm.

The Jubilee bracelet gives the Rolex Batgirl a different visual personality from an Oyster-bracelet GMT-Master II.

Its smaller links create a more intricate appearance across the wrist, while the polished centre links provide additional contrast against the brushed outer links.

The result is a sports watch that can transition naturally between travel, business and formal settings.

For collectors specifically searching for the “Batgirl” configuration, confirming the Jubilee bracelet is an important part of verifying the intended configuration.

Rolex Calibre 3285

Inside the Rolex GMT Master II Batgirl is Rolex Manufacture Calibre 3285.

Calibre 3285 is a self-winding mechanical movement developed and manufactured by Rolex. It was introduced for the GMT-Master II in 2018 and incorporates technologies designed to improve efficiency, precision, shock resistance and resistance to magnetic fields.

The movement incorporates Rolex’s patented Chronergy escapement and a blue Parachrom hairspring. Rolex also uses Paraflex shock absorbers to improve the movement’s resistance to shocks.

The power reserve is approximately 70 hours.

For a mechanical watch designed around international travel, the movement’s GMT functionality is particularly important. It allows the wearer to track an additional time zone while maintaining the local time.

The calibre is also part of Rolex’s Superlative Chronometer certification system. Rolex states that its finished watches are tested after casing the movement, with the certification covering performance characteristics including precision, power reserve, waterproofness and self-winding.

How the GMT Function Works

The primary purpose of the Rolex GMT Master II Batgirl is its ability to display two time zones simultaneously.

The conventional hour, minute and seconds hands display local time. A separate arrow-tipped 24-hour hand makes one rotation of the dial every 24 hours. Together with the 24-hour bezel, the GMT hand can indicate a reference or home time.

When travelling, the local hour hand can be adjusted independently in one-hour increments without stopping the movement or changing the GMT hand.

This functionality is particularly useful for international travellers, pilots, business professionals working across time zones and anyone who regularly communicates with people in other parts of the world.

The date is synchronized with local time.

The GMT-Master’s original purpose was connected to long-distance travel, and Rolex states that the model was launched in 1955 as a navigation aid for professionals travelling across time zones. In 1982, Rolex introduced the GMT-Master II with a movement allowing the hour hand to be adjusted independently.

Black Dial

The black dial of the Rolex GMT Master II Batgirl creates a clean background for the white hour markers and hands.

The dial works particularly well with the blue-and-black Cerachrom bezel because it maintains a dark visual foundation while allowing the bezel and GMT hand to provide contrast.

The date aperture is positioned at 3 o’clock and is magnified by Rolex’s Cyclops lens.

The combination of black dial, white markers and the blue-and-black bezel makes the watch easy to identify from a distance.

For collectors who prefer a GMT-Master II with a strong contrast between the dial and bezel, the 126710BLNR configuration provides a distinctive combination.

Sapphire Crystal and Cyclops Lens

The Rolex GMT Master II Batgirl uses a scratch-resistant sapphire crystal.

The crystal incorporates the Cyclops lens over the date window at 3 o’clock, making the date easier to read.

Rolex describes the crystal as virtually scratch-resistant sapphire and specifies an anti-reflective coating.

The sapphire crystal is an important practical feature because the dial remains protected while maintaining clear visibility.

As with any mechanical luxury watch, owners should still take care when wearing the watch around hard surfaces and should follow Rolex’s recommendations for care and servicing.

A Watch Designed for Travel

The history of the GMT-Master II is closely connected to international travel.

Rolex explains that the original GMT-Master was designed as a navigation aid for professionals crossing multiple time zones. Over time, the model developed into one of Rolex’s most recognizable professional watches.

The modern Rolex GMT Master II Batgirl continues this fundamental concept.

The watch does not simply use the GMT name as a design reference. Its independent hour-hand mechanism and 24-hour bezel provide a practical method of tracking another time zone.

This makes the watch relevant to modern travellers as well as collectors who appreciate the history behind the GMT-Master family.

Why Is It Called “Batgirl”?

“Batgirl” is a nickname used by watch enthusiasts and collectors.

It refers specifically to the blue-and-black GMT-Master II associated with the Jubilee bracelet, reference 126710BLNR.

The nickname is not an official Rolex designation. Rolex officially identifies the watch through its GMT-Master II model name and reference number.

For product searches, both terms can therefore be useful.

A customer searching for Rolex GMT Master II Batgirl will generally be looking for the blue-and-black 126710BLNR configuration, while someone searching for Rolex GMT-Master II 126710BLNR is using the official reference identification.

Using both terms naturally throughout a product page helps customers find the correct configuration without confusing the collector nickname with Rolex’s official naming system.

Rolex GMT Master II Batgirl vs Other GMT-Master II Models

The GMT-Master II collection includes multiple materials, bezel colours and bracelet configurations.

Rolex currently offers GMT-Master II watches in Oystersteel, combinations of Oystersteel and gold, yellow gold, white gold and Everose gold, with Oyster and Jubilee bracelet options depending on the configuration.

The Rolex GMT Master II Batgirl is distinguished specifically by its blue-and-black Cerachrom bezel and Jubilee bracelet configuration.

Other GMT-Master II watches can have different bezel colours, materials and bracelets.

For this reason, buyers should identify the exact reference before purchasing rather than relying only on nicknames.

Technical Specifications

The principal specifications associated with Rolex reference 126710BLNR include:

• Model: Rolex GMT-Master II
• Reference: 126710BLNR
• Case diameter: 40 mm
• Case material: Oystersteel
• Dial: Black
• Bezel: Bidirectional rotating 24-hour bezel
• Bezel insert: Blue and black Cerachrom ceramic
• Crystal: Scratch-resistant sapphire
• Date: Yes, with Cyclops lens
• Water resistance: 100 metres / 330 feet
• Movement: Rolex Calibre 3285
• Movement type: Perpetual, mechanical, self-winding
• Function: GMT / second time zone
• Power reserve: Approximately 70 hours
• Bracelet: Jubilee, five-piece links
• Clasp: Oysterlock safety clasp
• Extension: Easylink comfort extension
• Certification: Superlative Chronometer

These specifications are based on Rolex’s published information for reference 126710BLNR.

For the most authoritative technical information, customers should consult the official Rolex GMT-Master II specifications.

Buying a Rolex GMT Master II Batgirl

Buying a high-value luxury watch requires attention to more than the model name.

When considering a Rolex GMT Master II Batgirl, buyers should review the exact reference, bracelet, bezel, dial, condition and documentation associated with the specific watch.

Important details can include:

• Reference number
• Production year
• Condition
• Dial condition
• Bezel condition
• Bracelet condition
• Bracelet links
• Box
• Warranty card or papers
• Service documentation
• Original accessories
• Service history

For pre-owned watches, condition can have a significant effect on the overall presentation and ownership experience.

The condition of the case and bracelet should be evaluated carefully because polishing, scratches, dents and bracelet wear can affect the appearance of a luxury timepiece.

Customers should always review the individual product listing rather than assuming that every 126710BLNR is identical.

Rolex Authenticity

Authenticity is one of the most important considerations when purchasing a luxury Rolex.

At LuxeChronos, customers can learn more about our approach to luxury-watch verification through the LuxeChronos Authenticity page.

When examining a Rolex GMT Master II Batgirl, identification should involve multiple characteristics rather than relying on a single marking or visual detail.

The reference number, case construction, dial, movement, bracelet, clasp, bezel, engravings and accompanying documentation can all contribute to the evaluation of a watch.

Because counterfeit luxury watches can imitate external design details, professional verification is important when purchasing a high-value timepiece.

Box and Papers

The availability of the original Rolex box, warranty documentation and accessories can vary depending on the individual watch.

A Rolex GMT Master II Batgirl may be offered with different combinations of box, papers, tags, manuals and additional bracelet links depending on its history.

Customers should therefore check the individual product listing for the exact accessories included.

If you are looking for a particular configuration with specific documentation, you can contact LuxeChronos before purchasing.

Rolex GMT Master II Batgirl for Collectors

The Rolex GMT Master II Batgirl combines several features that have become closely associated with the modern GMT-Master II.

The 40 mm Oystersteel case provides the foundation. The blue-and-black Cerachrom bezel provides the signature colour combination. The Jubilee bracelet creates the configuration associated with the “Batgirl” nickname, while Calibre 3285 provides the mechanical GMT functionality.

The result is a watch that can function as both a practical travel instrument and a recognizable luxury timepiece.

For collectors, the reference 126710BLNR also provides a straightforward identification point when comparing examples.

Explore More Rolex Watches

If the Rolex GMT Master II Batgirl is not the exact configuration you are searching for, explore the wider Rolex collection at LuxeChronos.

The collection can be used to compare different Rolex models, references and configurations.

Collectors interested in other Swiss luxury brands can also explore the Audemars Piguet collection.

If you are looking for a particular Rolex reference that is not currently listed, LuxeChronos also provides a Request a Watch service.

Request a Specific Rolex

Luxury-watch collectors often search for specific references, dial configurations, production years or bracelet combinations.

If you cannot find the exact Rolex GMT Master II Batgirl configuration you want, you can submit a request through the LuxeChronos Request a Watch service.

When submitting a request, include as much information as possible, such as:

• Brand
• Model
• Reference number
• Preferred year
• Dial configuration
• Bracelet
• Condition
• Box and papers requirements
• Budget

Providing detailed information makes it easier to understand the specific watch you are looking for.

Sell or Trade a Luxury Watch

If you already own a luxury watch and are considering changing your collection, LuxeChronos also provides a Sell or Trade Your Watch service.

Collectors may use the service when looking to sell an existing watch or explore a potential trade toward another luxury timepiece.

When submitting a watch for evaluation, useful information can include the brand, model, reference, condition, age, accessories and service history.

Contact LuxeChronos

If you have questions about the Rolex GMT Master II Batgirl, its availability, specifications, condition or documentation, contact the LuxeChronos team through the Contact page.

Customers can also review the LuxeChronos FAQ for general information about purchasing and owning luxury watches.

For a specific watch, we recommend confirming all relevant details before completing an order.

Frequently Asked Questions

What is the Rolex GMT Master II Batgirl?

The Rolex GMT Master II Batgirl is the collector nickname commonly used for Rolex GMT-Master II reference 126710BLNR with its blue-and-black Cerachrom bezel and Jubilee bracelet. Rolex officially identifies it as the GMT-Master II rather than using the “Batgirl” nickname.

What is the Rolex 126710BLNR?

Rolex reference 126710BLNR is a GMT-Master II with a 40 mm Oystersteel case, black dial, blue-and-black Cerachrom bezel and Jubilee bracelet. It is powered by Rolex Calibre 3285.

Why is the Rolex GMT-Master II called Batgirl?

“Batgirl” is an informal collector nickname for the blue-and-black GMT-Master II configuration with the Jubilee bracelet. It is not an official Rolex model name.

Is the Rolex Batgirl made from stainless steel?

Reference 126710BLNR is made from Rolex Oystersteel, Rolex’s proprietary corrosion-resistant steel used across its professional watch collection.

How big is the Rolex GMT Master II Batgirl?

The case measures 40 mm in diameter. Rolex specifies the Oyster case for reference 126710BLNR at 40 mm.

What movement does the Rolex Batgirl use?

The watch uses Rolex Manufacture Calibre 3285, a self-winding mechanical movement with GMT functionality and an approximately 70-hour power reserve.

Does the Rolex GMT Master II Batgirl have a Jubilee bracelet?

Yes. Reference 126710BLNR is fitted with a five-piece-link Jubilee bracelet.

What colour is the Batgirl bezel?

The bezel features a two-colour blue-and-black Cerachrom insert in ceramic.

Is the Rolex Batgirl waterproof?

Rolex specifies the 126710BLNR as waterproof to 100 metres, or 330 feet.

Does the Rolex GMT Master II Batgirl have a date?

Yes. The watch includes a date display at 3 o’clock with a Cyclops lens over the date.

How does the GMT function work?

The GMT-Master II uses an additional 24-hour hand together with the bidirectional rotating 24-hour bezel to display a second time zone. The local hour hand can be adjusted independently when travelling.

What is the power reserve?

Rolex specifies approximately 70 hours of power reserve for Calibre 3285.

Is the Rolex GMT Master II Batgirl a Superlative Chronometer?

Yes. Rolex identifies the GMT-Master II as carrying its Superlative Chronometer certification. Rolex states that the certification involves testing the fully assembled watch after casing the movement.

Where can I verify the specifications?

The most authoritative source is the official Rolex GMT-Master II page, where Rolex publishes the specifications and current GMT-Master II configurations.

Can LuxeChronos source a particular Rolex reference?

Yes. If the exact reference or configuration you are looking for is not listed, you can use the LuxeChronos Request a Watch service.

Can I sell or trade my current watch?

Yes. You can submit your existing luxury watch through the LuxeChronos Sell or Trade service.

Final Thoughts

The Rolex GMT Master II Batgirl combines the practical purpose of Rolex’s GMT-Master II with one of the collection’s most recognizable modern colour combinations.

Reference 126710BLNR brings together a 40 mm Oystersteel case, black dial, blue-and-black Cerachrom bezel, Jubilee bracelet and Calibre 3285. The movement provides a second-time-zone function and approximately 70 hours of power reserve, while the Oyster case is specified for 100 metres of water resistance.

The “Batgirl” name is a collector nickname rather than an official Rolex designation, but it has become widely used to identify this particular blue-and-black Jubilee-bracelet configuration.

For anyone researching this model, the most important details are the exact reference, configuration, condition, accessories and documentation.

Explore the Rolex collection at LuxeChronos, learn more about watch authenticity, or submit a Request a Watch if you are searching for a particular Rolex configuration.

Rolex GMT Master II Batgirl — a modern travel watch defined by its blue-and-black Cerachrom bezel, Jubilee bracelet and Rolex Calibre 3285.