04/30/2026
A lot of people see this Audemars Piguet Royal Oak Perpetual Calendar and just think βcomplicated dial.β
But whatβs really happening is the watch is mechanically tracking leap years, month lengthsβeven February.
Once set correctly, it doesnβt need adjustment for decades.
All those subdialsβday, date, month, moonphaseβare working together through a single movement.
Thatβs the kind of engineering that makes you stop and appreciate whatβs on your wrist.