This watch is also known as:
25820PT.0.0944PT.04 , 25820PT-OO-0944PT-04 , 25820PT/OO/0944PT/04 .
This Audemars Piguet Royal Oak Selfwinding Perpetual Calendar in platinum features a 39mm case, salmon checkered dial, and a platinum bracelet. The Audemars Piguet Royal Oak Selfwinding Perpetual Calendar also features an automatic movement with perpetual calendar indicating day, date, month, moon phase and leap years. This watch is water resistant to 20 meters.