Rolex
GMT-Master II
126715CHNR
Everose Gold GMT in midnight black — the apex of the line.
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Overview
The Rolex GMT-Master II reference 126715CHNR represents the pinnacle of the GMT-Master II family, pairing a 40 mm case crafted entirely in Rolex's proprietary 18k Everose gold with a deep black dial. Introduced in 2018, it is powered by the in-house Calibre 3285, one of Rolex's most advanced movements. The reference sits at the top of the GMT-Master II hierarchy, combining precious-metal luxury with the line's defining dual-timezone functionality.
History
The GMT-Master II line has its roots in a 1983 evolution of the original GMT-Master, which Rolex developed in the 1950s in collaboration with Pan American World Airways for long-haul flight crews. The introduction of Everose gold — Rolex's corrosion-resistant rose-gold alloy, developed in-house in the early 2000s — eventually brought a precious-metal dimension to the sports-watch line. Reference 126715CHNR arrived in 2018 alongside the broader 126710 generation, which debuted the Calibre 3285 and a redesigned Oyster bracelet with the Oysterlock clasp and Easylink comfort extension. Among collectors, the all-black-dial Everose configuration is regarded as one of the most formal expressions of the GMT-Master II.
Notable points
- Case and bracelet are crafted in 18k Everose gold, Rolex's proprietary rose-gold alloy formulated for long-term resistance to fading and corrosion.
- The black dial pairs with a black and brown ("Root Beer") bidirectional rotatable 24-hour bezel insert, a colour combination with deep historical resonance in the GMT-Master lineage.
- Calibre 3285 features a Chronergy escapement, a Parachrom hairspring, and a power reserve of approximately 70 hours — a significant advance over the preceding Cal. 3186.
- The Oyster bracelet on this generation incorporates the Oysterlock safety clasp and a 5 mm Easylink rapid-extension system for on-the-wrist adjustment.
- At 40 mm, the case maintains the classic GMT-Master II diameter, keeping the reference proportionally consistent with decades of the model's history.
