Rolex Day-Date

Description

MODEL CASE
Oyster, 40 mm
Monobloc middle case, screw-down case back and winding crown
DIAMETER
40 mm
BEZEL
Fluted
WINDING CROWN
Screw-down, Twinlock double waterproofness system
CRYSTAL
Scratch-resistant sapphire, Cyclops lens over the date
WATER RESISTANCE
Waterproof to 100 metres / 330 feet
MOVEMENT
Perpetual, mechanical, self-winding
MOVEMENT
Perpetual, mechanical, self-winding
FUNCTIONS
Centre hour, minute and seconds hands Instantaneous day and date in apertures, unrestricted rapid-setting. Stop-seconds for precise time setting
OSCILLATOR
Paramagnetic black Parachrom hairspring. High-performance Paraflex shock absorbers
WINDING
Bidirectional self-winding via Perpetual rotor
POWER RESERVE
Approximately 70 hours
BRACELET
President, semi-circular three-piece links
BRACELET
President, semi-circular three-piece links
CLASP
Concealed folding Crownclasp
DIAL
Bright black
DIAL
Bright black