18kt white gold case with a black oysterflex band. Black monobloc cerachrom ceramic bezel. Mother of pearl dial with silver-tone hands and diamond hour markers. Tachymeter. Dial Type: Analog. Chronograph – three sub-dials displaying: 60 second, 30 minute and 12 hours. Rolex Calibre 4130 automatic movement with a 72-hour power reserve. Scratch resistant sapphire crystal. Screw down crown. Solid case back. Round case shape. Case size: 40 mm. Water resistant at 100 meters / 330 feet. Functions: chronograph, hour, minute, second.