Audemars Piguet cal 2080

Audemars Piguet caliber 2080
(based on Frederic Piguet caliber 8.10)
Mechanical with manual winding, 21,600 vph, power reserve 48 hours
Function: hour, minute, and sub dial date
Diameter: 18.40mm
Thickness 2.00mm
Balance spring: flat hairspring