18kt yellow gold case with a 18kt yellow gold Rolex oyster bracelet. Fixed 18kt yellow gold bezel showing tachymeter markings. Green dial with gold-tone hands and index 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. Case thickness: 12.5 mm. Round case shape. Band width: 20 mm. 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 Green Dial 18K Yellow Gold Oyster Mens Watch 116508GRSO.