Silver-tone stainless steel case and bracelet. Fixed silver-tone stainless steel bezel. Blue dial with silver-tone hands and index hour markers. Minute markers around the outer rim. Dial Type: Analog. Luminescent hands and markers. Audemars Piguet Calibre 2950 automatic movement with a 65-hour power reserve. Scratch resistant sapphire crystal. Screw down crown. Transparent see through case back. Round case shape, case size: 41 mm, case thickness: 10.6 mm. Fold over clasp with a safety release. Water resistant at 50 meters / 165 feet. Functions: hour, minute, tourbillon. Additional Info: original box, manual (complete accessories). Royal Oak 50th Anniversary Series. Luxury watch style. Watch label: Swiss Made. Audemars Piguet Royal Oak 50th Anniversary Tourbillon Automatic Blue Dial Mens Watch 26730ST.OO.1320ST.01.