Oyster, 40 mm, Oystersteel and yellow gold.
Monobloc middle case, screw-down case back and winding crown.
Yellow Rolesor - combination of Oystersteel and 18k yellow gold.
Fixed fluted bezel with engraved tachymetric scale, in 18k yellow gold.
Screw-down, Triplock triple waterproofness system.
Scratch-resistant sapphire crystal.
Waterproof to 100 metres / 330 feet.
Perpetual mechanical chronograph self-winding movement.
Caliber 4130 Manufacture Rolex.
Precision : -2/+2 sec/day, after casing.
Functions :
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 the o'clock position.
Stop seconds for precise time setting.
Paramagnetic blue Parachrom hairspring.
Bidirectional self-winding via Perpetual rotor.
Power reserve : approximately 72 hours.
Oyster flat three-piece links bracelet in yellow Rolesor.
Folding Oysterlock safety clasp with Easylink 5 mm comfort extension link.