Rolex SubMariner

MODEL CASE
Oyster, 43 mm, Oystersteel
OYSTER ARCHITECTURE
Monobloc middle case, screw-down case back and winding crown
DIAMETER
43 mm
MATERIAL
Oystersteel
BEZEL
Unidirectional rotatable 60-minute graduated, scratch-resistant Cerachrom insert in ceramic, numerals and graduations coated in platinum
WINDING CROWN
Screw-down, Triplock triple waterproofness system
CRYSTAL
Scratch-resistant sapphire, Cyclops lens over the date
WATER RESISTANCE
Waterproof to 1,220 metres / 4,000 feet, helium escape valveMOVEMENTPerpetual, mechanical, self-windingCALIBRE3235, Manufacture RolexPRECISION-2/+2 sec/day, after casingFUNCTIONSCentre hour, minute and seconds hands. Instantaneous date with rapid setting. Stop-seconds for precise time settingOSCILLATORParamagnetic blue Parachrom hairspring. High-performance Paraflex shock absorbersWINDINGBidirectional self-winding via Perpetual rotorPOWER RESERVEApproximately 70 hours