MODEL CASE Oyster, 44 mm, Oystersteel OYSTER ARCHITECTURE Monobloc middle case, screw-down case back and winding crown. Rolex Ringlock System case architecture with Helium escape valve DIAMETER 44 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 Domed, 5.5 mm-thick scratch-resistant sapphire WATER RESISTANCE Waterproof to 3,900 metres / 12,800 feet, helium escape valve MOVEMENT Perpetual, mechanical, self-winding MOVEMENT Perpetual, mechanical, self-winding 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 Paramagnetic blue Parachrom hairspring. High-performance Paraflex shock absorbers WINDING Bidirectional self-winding via Perpetual rotor POWER RESERVE Approximately 70 hours BRACELET Oyster, flat three-piece links BRACELET Oyster, flat three-piece links BRACELET MATERIAL Oystersteel CLASP Folding Oysterlock safety clasp with Rolex Glidelock extension system. Fliplock extension link ALL INFORMATION PROVIDED FROM THE ROLEX WEBSIDE
