Model case

Crystal

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

Water-resistance

Waterproof to 100 metres / 330 feet

Model case

Oyster, 41 mm, steel

Bezel

Smooth

Diameter

41 mm

Winding crown

Screw-down, Twinlock double waterproofness system

Oyster architecture

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

Material

904L steel

Movement

Calibre

3136, Manufacture Rolex

Model case

Perpetual, mechanical, self-winding

Oscillator

Paramagnetic blue Parachrom hairspring. High-performance Paraflex shock absorbers

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

Blue

The Datejust II carries the tradition and codes of the Oyster Perpetual Datejust, a great classic of modern watches created in 1945, the first self-winding waterproof chronometer wristwatch to display the date in a window on the dial. Launched in 2009, the Datejust II presents all the advantages of the Datejust in a more majestic format, along with technical innovations.