Audemars Piguet Royal Oak Openworked Perpetual Calendar Watch Model 26585CE.OO.1225CE.01

Black ceramic case with black ceramic bracelet and fixed ceramic bezel. Skeleton dial features gold-tone hands, index hour markers (including week number around the outer rim), analog display. Includes perpetual calendar function, moon phase indicator, leap year functionality, month hand, date aperture at 3 o'clock, day hand/index at 9 o'clock, and hours/minutes/seconds indicators. Equipped with Audemars Piguet Calibre 5135 automatic movement, which incorporates a base of 38 jewels and operates at a biting rate of 19800 vph; offers approximately 40-hour power reserve. Features scratch-resistant sapphire crystal glass, screw-down crown, transparent case back, octagonal shape measuring 41 mm in diameter and 9.9 mm thick. Water resistant to 20 meters / 65 feet depth. Includes butterfly clasp closure. Limited edition Royal Oak series luxury watch, boutiqu exclusivity, Swiss Made.