description: | MODEL CASE Oyster, 42 mm, Oystersteel OYSTER ARCHITECTURE Monobloc middle case, screw-down case back and winding crown DIAMETER 42 mm MATERIAL Oystersteel BEZEL Fixed, 24-hour graduated 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, GMT function MOVEMENT Perpetual, mechanical, self-winding, GMT function CALIBRE 3285, Manufacture Rolex PRECISION -2/+2 sec/day, after casing FUNCTIONS Centre hour, minute and seconds hands. 24-hour display. Second time zone with independent rapid-setting of the hour hand. Instantaneous date. 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 Easylink 5 mm comfort extension link |