GMT-Master II Ref 126713grnr-0001

Case: 40 mm Oyster case in Yellow Rolesor (Oystersteel and 18 ct yellow gold), featuring Rolex’s iconic 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 two-colour grey and black Cerachrom ceramic insert, moulded numerals and graduations for enhanced durability and legibility.
Crystal: Scratch-resistant sapphire crystal.

Movement: Rolex Calibre 3285, Perpetual self-winding mechanical movement with GMT function, delivering exceptional 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: Elegant Jubilee bracelet with five-piece links in Yellow Rolesor.
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 readability day and night.
Certification: Superlative Chronometer, COSC-certified and rigorously tested by Rolex after casing.