Model case

Model case

Oyster, 40 mm, steel

Oyster architecture

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

Diameter

40 mm

Material

904L steel

Bezel

Bidirectional rotatable 24-hour graduated bezel. Two-colour blue and black Cerachrom insert in ceramic, engraved numerals and graduations

Winding crown

Screw-down, Triplock triple waterproofness system

Crystal

Scratch-resistant sapphire, Cyclops lens (2.5x) over the date

Water-resistance

Waterproof to 100 metres / 330 feet

Movement

Movement

Perpetual, mechanical, self-winding, GMT function

Calibre

3186, Manufacture Rolex

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

Precision

Officially certified Swiss chronometer (COSC)

Oscillator

Paramagnetic blue Parachrom hairspring

Winding

Bidirectional self-winding via Perpetual rotor

Bracelet

Bracelet

Oyster, flat three-piece links

Bracelet material

904L steel

Clasp

Folding Oysterlock safety clasp with Easylink 5 mm comfort extension link

Dial

Dial

Black laquer