GMT-Master II Ref 126715chnr-0001

Case: 40 mm Oyster case in 18 ct Everose gold, featuring Rolex’s signature Oyster architecture with a monobloc middle case, screw-down case back and Triplock winding crown. Waterproof to 100 metres / 330 feet.
Bezel: Bidirectional rotatable 24-hour bezel with a two-colour brown and black Cerachrom ceramic insert, moulded numerals and graduations for lasting colour and durability.
Crystal: Scratch-resistant sapphire crystal with Cyclops lens over the date.

Movement: Rolex Calibre 3285, Perpetual self-winding mechanical movement with GMT function, delivering outstanding precision (−2 / +2 sec/day) and a 70-hour power reserve.
Functions: Centre hour, minute and seconds hands; 24-hour display; second time zone with independent rapid-setting of the hour hand; instantaneous date; stop-seconds for precise time setting.

Bracelet: Oyster bracelet with solid three-piece links in 18 ct Everose gold.
Clasp: Folding Oysterlock safety clasp with Easylink 5 mm comfort extension.

Dial: Black dial with a highly legible Chromalight display and long-lasting blue luminescence, ensuring excellent visibility day and night.
Certification: Superlative Chronometer, COSC-certified and rigorously tested by Rolex after casing.