18kt yellow gold case with a 18kt yellow gold oyster bracelet. Fixed 18kt yellow gold bezel. Black and gold dial with yellow gold hands and diamonds hour markers. Tachymeter. Dial Type: Analog. Luminescent hands. 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. Folding oysterlock clasp. Water resistant at 100 meters / 330 feet. Functions: chronograph, hour, minute, second. Cosmograph Daytona Series. Luxury watch style. Watch label: Swiss Made. Rolex Cosmograph Daytona Chronograph Automatic Diamond Men's Watch 116508BKGDDO.