Rolex GMT Master II Oystersteel – 40 mm

Reference Number
M126710GRNR-0004

 

TECHNICAL SPECIFICATION

CASE

Model case
Oyster, 40 mm, Oystersteel

Oyster architecture
Monobloc middle case, screw-down case back and winding crown

Diameter
40 mm

Material
Oystersteel

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

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

Bracelet
Oyster, three-piece solid links

Material
Oystersteel

Clasp
Folding Oysterlock safety clasp with Easylink 5 mm comfort extension link

Dial

Dial
Black

Details
Highly legible Chromalight display with long-lasting blue luminescence

Certification

Certification
Superlative Chronometer (COSC + Rolex certification after casing)