Audemars Piguet — Royal Oak Perpetual Calendar 38 mm
Royal Oak Perpetual Calendar 150th Anniversary 26684ST.OO.1356ST.02
Audemars Piguet 26684ST.OO.1356ST.02 is the 150-piece 2025 Royal Oak Perpetual Calendar anniversary edition in steel, with a 38 mm case, light-blue Grande Tapisserie dial, caliber 7136, and 55-hour reserve.