Audemars Piguet Royal Oak Perpetual Calendar 26579CB.OO.1225CB.01 emeralds Celebrating the 40th Anniversary of

Celebrating the 40th Anniversary of the first ladies' Royal Oak designed by Jacqueline Dimier in 1976

To facilitate handling

the dial features a red jasper centre with a brilliant cut diamond surround

The Daytona Yellow Gold features a 40mm 18ct yellow gold case

Case material Carbon Case diameter 49

Audemars Piguet Royal Oak Perpetual Calendar 26579CB.OO.1225CB.01 emeralds Celebrating the 40th Anniversary ofExtra thin movement with suspended barrel. The oscillating weight is guided by a peripheral ring rolling on four ruby runners, which reduces friction and wear to the minimum possible. The moon phase indicator is laser microstructured and laid on an aventurine base. The moon phase astronomical indicator requires a correction every 125 years and 317 days. The movement is based on the earlier 2120. Type: Automatic Brand: Audemars Piguet Caliber: AP 5134