Stainless steel case with a stainless steel bracelet. Fixed stainless steel bezel. Grey ruthenium dial with luminous 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 3120 automatic movement, containing 40 Jewels, composed of 280 parts, bitting at 21600 vph, and has a power reserve of approximately 60 hours. Scratch resistant sapphire crystal. Transparent case back. Octagon case shape. Case size: 37 mm. Case thickness: 9.8 mm. Deployment clasp with a push button release. Water resistant at 50 meters / 165 feet. Functions: date, hour, minute, second. Royal Oak Series. Luxury watch style. Watch label: Swiss Made. Audemars Piguet Royal Oak Grey Ruthenium Dial Automatic Ladies Watch 15450ST.OO.1256ST.02.