18kt white gold case with a black oysterflex band. Black monobloc cerachrom ceramic bezel. Black dial with silver-tone hands and diamond hour markers. Tachymeter. Dial Type: Analog. Chronograph - sub-dials displaying: three - 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. Luxury watch style. Watch label: Swiss Made. Item Variations: 116519LN. Rolex Cosmograph Daytona Black Diamond Dial Mens Chronograph Oysterflex Watch 116519BKDR.