Design Rolex Datejust 31 Watch

Description

Design Rolex Datejust 31 Watch

Model case
Oyster, 31 mm, yellow gold and diamonds

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

Diameter
31 mm

Bezel
Set with diamonds

Winding crown
Screw-down, Twinlock double waterproofness system

Water resistance
Waterproof to 100 metres / 330 feet

Movement
Perpetual, mechanical, self-winding

Calibre
2236, Manufacture Rolex

Precision
-2/+2 sec/day, after casing

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

Oscillator
Syloxi hairspring in silicon with patented geometry. High-performance Paraflex shock absorbers

Winding
Bidirectional self-winding via Perpetual rotor

Power reserve
Approximately 55 hours