LoupeLabAudemars Piguet Royal Oak 25554 Perpetual Calendar
Ref. 25554ST.O.0344ST.01
The Royal Oak 25554ST.O.0344ST.01 was the first Royal Oak with perpetual calendar complication.
Diameter39mm
Power Reserve40hrs
Case & Dimensions
Diameter39 mm
MaterialStainless Steel
Sponsored
Movement
CaliberAudemars Piguet AP 2120 / 2800
ManufacturerAudemars Piguet
TypeAutomatic
Power Reserve40 hours
Frequency21,600 bph
Jewels38
Complicationshoursminutesdatedaymonthperpetual calendar
Also Known As
AP 2120 / 2800CaliberCal. AP 2120 / 2800Caliber
Production
StatusCurrent Production