Cosmograph Daytona

18kt yellow gold case with a black rolex oysterflex bracelet. Black ceramic bezel. Champagne dial with index hour markers. Tachymetric scale. 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. Rolex Cosmograph Daytona Chronograph Automatic Mens Oysterflex Watch 116518CBKSR.