Rolex Daytona Yellow Gold Diamond Ceramic Bezel Oysterflex Mens Watch 116518 Box Card. chronometer automatic self-winding movement. Chronograph function. 18K yellow gold case 40.0 mm in diameter. Special screw-down push buttons. Black Cerachrom bezel in ceramic with engraved tachymetric scale. Scratch resistant sapphire crystal. Black dial with original Rolex factory diamond hour markers. Centre chronograph hand. Three chronograph subdials — Small seconds hand at 6 o’clock, 30-minute counter at 3 o’clock, and 12-hour counter at 9 o’clock. Black rubber oysterflex strap with an 18K yellow gold deployant clasp.