This Audemars Piguet Royal Oak Self-winding Perpetual Calendar platinum watch features a blue guilloche dial with luminous hands and index markers, moonphases at 6 o'clock, and calendar displays at 3, 9, and noon in a 39 mm case on a steel link bracelet. The Audemars Piguet Royal Oak Self-winding Perpetual Calendar watch utilizes an automatic movement with a perpetual calendar complication that indicates day, date, month, moonphase, and leap year. This watch is water resistant to 20 meters.