Audemars Piguet Royal Oak Perpetual Calendar Limited Edition (26609TIOO1220TI01) self – winding automatic watch, features a 41mm titanium case surrounding a grey Grande Tapiserrie dial on a titanium bracelet with folding buckle. Functions include hours, minutes, day, date, month, leap year indicator and perpetual calendar. This watch comes complete with box and papers. Scattered Serial. This is a Limited Edition piece of 88! Time remaining on the factory warranty!