Rolex GMT-Master II 126710BLNR ‘Batman’ in Oystersteel

A Benchmark of Rolex Innovation

The GMT-Master II ref. 126710BLNR epitomizes Rolex’s technical audacity, pairing real-world functionality with materials science at its finest. Rolex’s breakthrough in crafting a single-piece, bi-colour ceramic bezel signaled a new era—its deep blue and jet-black “Batman” insert has become one of the most coveted signatures in modern watchmaking. For collectors who value enduring engineering as much as desirability, this is a reference that unites innovation with lasting significance.

Specifications of a Modern Classic

• Reference Number: 126710BLNR
• Bi-Colour Cerachrom Bezel Insert: Black/blue single-piece ceramic with engraved 24-hour scale—impervious to fading, highly scratch-resistant
• Calibre and its Functions: Manufacture Calibre 3285; automatic; independent jumping local-hour hand; 24-hour GMT hand; date; stop-seconds; approx. 70-hour power reserve; Superlative Chronometer certified
• Case Material: 40 mm Oystersteel (stainless steel) case; sapphire crystal with Cyclops; 100 m water resistance
• Bracelet: Stainless steel bracelet for robust daily wear and enduring comfort
• Condition and Scarcity: Excellent condition; a high-demand BLNR variant with scarce retail availability; accompanied by Box, Warranty Card, Watch Case, and Manual

The Intelligent Collector’s Choice

This GMT-Master II marries future-proof materials with a complication that remains indispensable in a connected world. Its technical pedigree and enduring demand make it a confident addition to a serious collection—one that preserves utility, prestige, and value in equal measure.