Rolex GMT-Master II 126710BLNR "Batman" — Unworn 2026, Full Set

The Reference at a Glance

The 126710BLNR-0003 is the current-generation Rolex GMT-Master II in Oystersteel — 40 mm across the case, black dial, Oyster bracelet, and the two-tone blue/black Cerachrom ceramic bezel insert that has defined this reference's identity since the Batman coloring first appeared on the platform. This example is 2026-dated, arrives in unworn condition, and comes complete with its original box and papers. Full-set, unworn, and current production represent the highest-grade presentation this reference offers in the secondary market, and this piece checks all three boxes.

The Batman Name and What It Represents

The blue/black bezel combination first appeared on the GMT-Master II in 2013 with reference 116710BLNR. The two-tone ceramic insert — Cerachrom material produced in two colors across the 24-hour scale — was a production departure for the platform, and demand was immediate and sustained. Rolex updated the GMT-Master II line in 2019 with the current 126710BLNR, retaining the coloring and adding a new movement alongside case refinements. The Batman nickname has applied across both generations without confusion and has become reliable shorthand in secondary-market conversations for an aesthetic that is recognizable at a distance. It is one of the few collector nicknames that has outlasted the original reference and transferred cleanly to its successor.

Caliber 3285 Inside

Power comes from Rolex's in-house Caliber 3285, introduced with the 126710 generation and a substantial step forward from the 3186 it replaced. The 3285 features a Chronergy escapement developed by Rolex that improves energy efficiency relative to a conventional Swiss lever, a Parachrom hairspring for resistance to shocks and magnetic fields, and a power reserve of approximately 70 hours — up from roughly 48 hours in the prior generation. The movement carries COSC certification as well as Rolex's own Superlative Chronometer designation, tested and certified to a tolerance of +/- 2 seconds per day in actual wear.

Market Position of the Batman GMT

The 126710BLNR has been among the most consistently traded references in the steel sports segment since its 2019 introduction. Secondary-market values have held through multiple cycles, supported by the technical difficulty of producing a two-tone ceramic bezel at consistent quality, the reference's generational continuity — the Batman coloring now spans more than a decade of GMT production — and an established collector base that follows the reference closely. The 40 mm Oystersteel case has aged well against larger-format competitors. Chromalight luminescent indices provide long-duration blue luminescence that reads coherently against the blue/black bezel, a detail collectors have noted since the 116710BLNR era. The 126710BLNR remains in the current Rolex lineup with no replacement announced, which keeps present-production pieces active in the market rather than sitting in a post-discontinuation premium window.

What to Know Before You Buy

This is an unworn example, meaning the original factory case and bracelet finishing is intact, the links have not been sized, and there is no service history to account for. Box and papers are confirmed present. Buyers intending to wear the watch should plan for bracelet sizing, which will be the first adjustment made to the untouched links.

My Watch Dealer is an independent reseller, not an authorized Rolex dealer, and this sale does not carry manufacturer warranty coverage. The documentation present with the watch establishes provenance clearly. The $22,649 asking price reflects current secondary-market positioning for a 2026-dated, unworn, full-set Batman GMT in Oystersteel.

The 126710BLNR-0003 remains one of the most straightforward entries in the current steel GMT segment: a technically current movement, a case size with proven long-term wearability, and a bezel combination that has anchored collector interest in the reference for more than a decade.