Rolex Yacht-Master II White Dial 18K Yellow Gold Rolex Oyster Automatic Men's Watch 116688WAO. 18kt yellow gold case with a 18kt yellow gold Rolex oyster bracelet. Bi-directional rotating 18kt yellow gold bezel with a blue ceramic top ring. White dial with luminous blue hands and luminous hour markers. Minute markers around the outer rim. Automatic movement with a 72-hour power reserve. Scratch resistant sapphire crystal. Screw down crown. Sol;id case back. Case diameter: 44 mm. Round case shape. Deployment clasp. Water resistant at 100 meters / 330 feet. Functions: hour, minute, second. Item Variations: 116688, 116688-WAO, Rolex-116688, Rolex-116688-WAO.