Model case

Crystal

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

Water-resistance

Waterproof to 100 metres / 330 feet

Model case

Oyster, 36 mm, steel and white gold

Bezel

Fluted

Diameter

36 mm

Winding crown

Screw-down, Twinlock double waterproofness system

Oyster architecture

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

Material

White Rolesor - combination of 904L steel and 18 ct white gold

Movement

Calibre

3135, Manufacture Rolex

Model case

Perpetual, mechanical, self-winding

Oscillator

Paramagnetic blue Parachrom hairspring

Winding

Bidirectional self-winding via Perpetual rotor

Precision

Officially certified Swiss chronometer (COSC)

Functions

Centre hour, minute and seconds hands. Instantaneous date with rapid setting. Stop seconds for precise time setting

Bracelet

Clasp

Folding Oysterclasp with Easylink 5 mm comfort extension link

Bracelet material

904L steel

Bracelet

Oyster, flat three-piece links

Dial

Dial

Black

The elegant design and Cyclops eye magnifying the date have made the Oyster Perpetual Datejust, originally introduced in 1945, one of the world鈥檚 most recognizable watches.