Silver-tone stainless steel case and bracelet. Fixed silver-tone stainless steel bezel. Grey dial with silver-tone hands and index hour markers. Minute markers around the outer rim. Dial Type: Analog. Luminescent hands and markers. Date display at the 3 o'clock position. Audemars Piguet Calibre 5900 automatic movement with a 60-hour power reserve. Scratch resistant sapphire crystal. Screw down crown. Transparent see through case back. Octagon case shape, case size: 37 mm. Deployment with push button release clasp. Water resistant at 50 meters / 165 feet. Additional Info: original box, international warranty card, manual (complete accessories). Royal Oak Series. Luxury watch style. Watch label: Swiss Made. Audemars Piguet Royal Oak Automatic Grey Dial Men's Watch 15550ST.OO.1356ST.03.