Stainless steel case with a stainless steel Rolex oyster bracelet with 18kt yellow gold center links. Fixed 18kt yellow gold bezel showing tachymeter markings. Black dial with luminous yellow gold-tone hands and index hour markers. Minute markers around the outer rim. Dial Type: Analog. Luminescent hands and dial markers. Chronograph – three sub-dials displaying: 60 second, 30 minute and 12 hour. 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. Oysterlock clasp. Water resistant at 100 meters / 330 feet.