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
Silver
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.