18kt yellow gold case with a black Rolex oysterflex bracelet. Fixed black ceramic bezel showing tachymeter markings. Champagne dial with luminous yellow gold hands and index hour markers. Minute markers around the outer rim. Dial Type: Analog. Luminescent hands and markers. 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. Oysterlock clasp. Water resistant at 100 meters / 330 feet. Functions: chronograph, hour, minute, second. Luxury watch style. Watch label: Swiss Made. Rolex Cosmograph Daytona Chronograph Automatic Oysterflex Mens Watch 116518CBKSR.