40mm 18K yellow gold case, screw-down back, screw-down crown with triplock triple waterproofness system, black monobloc cerachrom bezel, scratch-resistant sapphire crystal scratch-resistant sapphire, black and white dial, Paul Newman style index hour markers, Rolex calibre 4132 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 12-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.