25820ST.OO.0944ST.03 Royal Oak Stainless Steel Quantieme Perpetual CalendarModel: 25820ST.OO.0944ST.03 Description: A full, four year perpetual calendar. The white dial features the day, date, moonphase and indicates the leap year. 39mm case with display back. List Price: $25,750 Original List Price: $45,600 Ask About This