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Oyster, 40 mm, Oystersteel
Monobloc middle case, screw-down case back and winding crown
Black monobloc Cerachrom bezel in ceramic with moulded tachymetric scale
Screw-down, Triplock triple waterproofness system
Waterproof to 100 metres / 330 feet
Perpetual, mechanical chronograph, self-winding
4130, Manufacture Rolex
-2/+2 sec/day, after casing
Centre hour, minute and seconds hands, small seconds hand at 6 o'clock. Chronograph (centre hand) accurate to within 1/8 of a second, 30-minute counter at 3 o'clock and 12-hour counter at 9 o'clock. Stop seconds for precise time setting
Paramagnetic blue Parachrom hairspring
Bidirectional self-winding via Perpetual rotor
Approximately 72 hours
Oyster, flat three-piece links
Folding Oysterlock safety clasp with Easylink 5 mm comfort extension link