40mm 18K white gold case, screw-down exhibition back, screw-down crown with triplock triple waterproofness system, black monobloc cerachrom bezel in ceramic with moulded tachymetric scale and number 100 in red ceramic, scratch-resistant sapphire crystal, bright black and intense white dial, index hour markers, Calibre 4132 manufacture Rolex perpetual mechanical chronograph self-winding movement with centre hour and minute hands, small seconds hand at 6 o'clock, chronograph via centre seconds hand, 30-minute counter at 3 o'clock and 24-hour counter at 9 o'clock, stop seconds for exact time setting, approximately 72 hours of power reserve, Oyster bracelet with three-piece solid links, folding Oysterlock safety buckle with Easylink 5mm comfort extension link. Waterproof to 100 metres / 330 feet.