ROLEX GMT-MASTER II Ref. 126713GRNR-0001 Oystersteel and yellow gold, Rolex self-winding calibre 3285

Model case
Oyster, 40 mm, Oystersteel and yellow gold
Oyster architecture
Monobloc middle case, screw-down case back and winding crown
Diameter
40 mm

Material
Yellow Rolesor - combination of Oystersteel and yellow gold

Bezel
Bidirectional rotatable 24-hour graduated bezel. Two-colour grey and black Cerachrom insert in ceramic, moulded numerals and graduations
Winding crown
Screw-down, Triplock triple waterproofness system

Crystal
Scratch-resistant sapphire
Water resistance
Waterproof to 100 metres / 330 feet

Movement
Perpetual, mechanical, self-winding, GMT function
Calibre
3285, Manufacture Rolex
Precision
-2/+2 sec/day, after casing

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
Oscillator
Paramagnetic blue Parachrom hairspring. High-performance Paraflex shock absorbers
Winding
Bidirectional self-winding via Perpetual rotor
Power reserve
Approximately 70 hours

Bracelet
Jubilee, five-piece links
Material
Yellow Rolesor - combination of Oystersteel and yellow gold
Clasp
Folding Oysterlock safety clasp with Easylink 5 mm comfort extension link

Dial
Black
Details
Highly legible Chromalight display with long-lasting blue luminescence

Certification
Superlative Chronometer (COSC + Rolex certification after casing)