GMT-Masterll Oyster. 40 mm. Oystersteel and yellow gold

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