Rolex GMT-Master II “Batman” 40mm Black Dial Black & Blue Cerachrom Bezel Oyster Bracelet 126710BLNR | 2025 Mint Full Set

The Dark Knight Returns — Batman on Oyster, The Sport-First GMT

When Rolex introduced the reference 126710BLNR in 2019 with its black-and-blue Cerachrom bezel, collectors immediately faced a choice that did not exist with the previous generation: Jubilee or Oyster. The Jubilee-exclusive launch from 2019 through 2021 earned the watch its “Batgirl” identity — refined, elegant, historically resonant. When Rolex re-introduced the Oyster bracelet option in 2021, the collector community reached straight back into Rolex history for the name: the Oyster-bracelet 126710BLNR became the “Batman” — reclaiming the original nickname of the 116710BLNR predecessor that had always worn the Oyster bracelet. The distinction matters for buyers who want to understand what they are acquiring: where the Batgirl prioritizes elegance, comfort, and dress-watch versatility, the Batman prioritizes the tool-watch identity that the GMT-Master was born with. Broader lugs, a heavier three-link wrist presence, and a bracelet that connects the 126710BLNR directly to the Pan Am pilot’s watch of 1954 — that is the Batman’s proposition, and for a meaningful and devoted base of collectors and daily wearers, it remains the definitive way to wear the black-and-blue GMT. This 2025 full-set example in mint condition is the most current production of the reference available anywhere on the secondary market.

904L Oystersteel Case — Tool Watch Proportions, Modern Precision

The 40mm Oyster case is crafted from Rolex’s proprietary 904L stainless steel — a high-performance, high-corrosion-resistant alloy delivering a deeper, more reflective polish than the 316L steel used by most competing watch manufacturers, maintaining its surface integrity across decades of active daily wear. The case features the characteristic interplay of satin-brushed flat surfaces on the lugs and polished sides and chamfers, creating a dynamic two-texture presentation across the case geometry that reads as simultaneously robust and refined. Steel crown guards flank the signed screw-down Triplock triple-waterproofness crown — the same three-gasket system found on the Submariner — delivering 100 meters of water resistance and a level of environmental sealing that more than covers any scenario a world traveler will encounter. A scratch-resistant sapphire crystal with Cyclops magnifying lens sits over the dial and date window at 3 o’clock, and the solid screw-down caseback seals the Caliber 3285 inside. At 12mm in depth, the case sits cleanly beneath a shirt cuff while communicating the substantial, confident presence appropriate to a professional dual-timezone instrument.

The Black and Blue Cerachrom Bezel — BLNR: Bleu-Noir

The reference suffix decodes the color story completely: BLNR — Bleu-Noir — blue-black in French — identifies the two-colour Cerachrom ceramic bezel insert that defines the reference and gives it both its collector nicknames. Producing this bezel requires manufacturing two separate ceramic pieces — one black, one blue — bonding them at the precise midpoint and firing them together at extreme temperatures to create a seamless, structurally unified single piece with no visible joint, adhesive, or mechanical transition anywhere along the color boundary. The result is pure ceramic throughout — virtually scratchproof, completely corrosion-resistant, and entirely unaffected by UV exposure — meaning the saturated black and deep navy blue of this bezel will look identical in fifty years as they do today. The 24-hour numerals and graduation marks are moulded into the ceramic surface and filled with white-tone PVD — embedded into the material itself rather than applied on top, making them as permanent and wear-resistant as the surrounding ceramic. The bezel rotates bidirectionally through 60 precise, crisp clicks — distinguishing it functionally from the unidirectional Submariner bezel and reflecting the dual-direction utility of a travel complication where reading elapsed time in either direction is equally practical.

The Black Chromalight Dial with Blue GMT Hand

The black lacquered dial features applied white gold dot and baton hour markers filled with Chromalight — Rolex’s proprietary long-lasting luminescent material, significantly brighter and more sustained in darkness than the standard Super-LumiNova used by most competing manufacturers, emitting a distinctive intense blue glow in low light that provides exceptional legibility in any dark environment. The Mercedes-style hands are also Chromalight-filled, and the arrow-tipped 24-hour GMT hand is finished in blue — deliberately matching the blue half of the ceramic bezel above to create a coherent color story from bezel to dial, and making the GMT hand instantly distinguishable from the regular hour hand at any light level. The date is displayed at 3 o’clock beneath the Cyclops magnifying lens, and the Rolex-engraved rehaut runs the full inner circumference of the bezel edge — an authentication detail and design refinement visible upon close inspection. The bold high-contrast dial presentation against the dark blue-and-black bezel creates the dramatic, authoritative aesthetic that earned the Batman its name — a watch that projects confidence, professionalism, and capability from any angle.

The GMT Complication — Three Time Zones at a Glance

The GMT-Master II complication remains the most practically useful travel function in all of sport watchmaking. The blue GMT hand completes one revolution every 24 hours and is read against the 24-hour scale on the bidirectional ceramic bezel to display a home or reference time zone — immediately revealing whether it is day or night at any second location on earth. The local hour hand adjusts independently via the crown’s rapid-setting mechanism, advancing or retarding in one-hour increments without stopping the movement, disturbing the seconds accuracy, or affecting the blue GMT hand’s continuous reference time display. Together with the date at 3 o’clock and the continuous seconds hand, the result is a watch that simultaneously displays three time zones and the date — the complete informational needs of any international traveler — readable in a single, effortless wrist glance from across a conference table, an aircraft cabin, or a hotel lobby anywhere in the world.

The Oyster Bracelet — The Batman’s Defining Characteristic

The three-link Oyster bracelet is the detail that defines the Batman’s character within the 126710BLNR family and distinguishes it from the Jubilee-bracket Batgirl — and for the collector base that prizes the GMT-Master’s professional tool-watch heritage above its dress-watch versatility, it is the correct bracelet for this watch. Its broader, more angular three-link construction delivers a heavier, more robust wrist presence that connects the 126710BLNR directly to the original Pan Am pilot’s GMT-Master of 1954 — the defining professional aviation instrument that established the entire GMT-Master lineage. The Oyster reads as sportier, more purposeful, and more assertively functional than the more refined Jubilee — and for buyers who want the GMT to feel like a professional instrument rather than an elegant accessory, the Oyster bracelet is the authentic, historically grounded choice. The bracelet closes with a folding Oysterlock safety clasp and includes the Easylink 5mm comfort extension link for quick tool-free on-wrist adjustment.

Powered by Caliber 3285 — The Most Advanced GMT Movement Rolex Has Produced

The Caliber 3285 is the most technically advanced movement Rolex has ever fitted to the GMT-Master II, representing a comprehensive engineering upgrade over the Caliber 3186 it replaced. The patented Chronergy escapement — machined from nickel-phosphorus — delivers approximately 15% greater energy efficiency and outstanding resistance to magnetic fields. The blue Parachrom hairspring made from a proprietary zirconium-niobium alloy is virtually unaffected by temperature fluctuations, shocks, or magnetic interference, and Paraflex shock absorbers provide additional structural resilience against impact. Running at 28,800 vibrations per hour with 31 jewels and a 70-hour power reserve — a significant and meaningful improvement over the 48-hour reserve of the previous generation — the movement carries Rolex’s Superlative Chronometer certification for accuracy of -2/+2 seconds per day after casing, a standard twice as strict as standard COSC chronometer requirements. Stop-seconds for precise time-setting synchronization and independent rapid-setting of the local hour hand complete the practical GMT travel package.

Condition & What’s Included

This 2025 example is in mint condition, showing no signs of wear whatsoever. It comes as a complete full set with original Rolex presentation box, papers, hang tag, warranty booklet, manual, and all accompanying documentation. Authenticity is fully guaranteed with reliable references on every watch sold through The Crown Collection Watch, and this listing comes with a 21-day refund policy for complete peace of mind.

Shipping & Payment

This watch is priced at $21,000 shipped worldwide. DM to place your order or request additional photos and further details.

Why This Reference Stands Out

The 126710BLNR on the Oyster bracelet occupies a distinct and historically grounded position alongside the Jubilee-bracket Batgirl — same movement, same case, same bezel, same complications, but with the bracelet choice that most directly honors the GMT-Master’s professional aviation heritage and tool-watch identity. Secondary market data from 2026 confirms the 126710BLNR on Oyster bracelet trading between $15,500 and $21,000 for full-set examples, with 2025 mint-condition pieces at the top of that range. At $21,000 for a 2025 mint full-set example with a 21-day refund policy and authenticity guarantee, this listing is priced precisely at the upper market benchmark for the reference in the finest available condition — the price appropriate to a watch with zero wear, 2025 production, and factory-original finish across every surface. For the buyer who wants the GMT-Master II’s greatest complications, most advanced movement, and most iconic bezel color in its most tool-watch-authentic bracelet configuration — in the most current production available — this 2025 Batman on Oyster delivers every element of that proposition in a single, mint, fully documented package.