Silver-tone stainless steel case with a silver-tone stainless steel oyster bracelet. Bi-directional rotating blue stainless steel bezel. White dial with blue hands and index hour markers. Minute markers around the outer rim. Dial Type: Analog. Luminescent hands and markers. One subdial displaying: small second. Rolex Calibre 4160 Automatic movement, containing 42 Jewels, composed of 360 parts, bitting at 28800 vph, and has a power reserve of approximately 72 hours. Scratch resistant sapphire crystal. Screw down crown. Solid case back. Round case shape, case size: 44 mm, case thickness: 14 mm. Fold over clasp. Water resistant at 100 meters / 330 feet. Functions: hour, minute, second. Additional Info: year of production: unknown. Yacht-master Series. Casual watch style. Watch label: Swiss Made. Pre-owned Rolex Yacht-Master Automatic White Dial Mens Watch 116680 WAO.