18kt white gold case with a 18kt white gold Rolex oyster bracelet. Fixed 18kt white gold bezel with engraved tachyeter markings. Blue dial with silver-tone hands and Arabic numeral 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 hour. Rolex calibre 4130 automatic movement with a 72-hour power reserve. Scratch resistant sapphire crystal. Screw down crown. Solid case back. Case size: 40 mm. Round case shape. Oysterlock clasp. Water resistant at 100 meters / 330 feet. Functions: chronograph, tachymeter, hour, minute, second. Luxury watch style. Watch label: Swiss Made. Rolex Cosmograph Daytona Blue Dial 18K White Gold Oyster Mens Watch 116509BLSO.