Audemars Piguet Hat. Audemars piguet. Condition is pre owned in very good conditions.
But then in 1955 audemars piguet brought the real horological heat with the reference 5516 the world s first perpetual calendar wristwatch with leap year display. Born in le brassus raised around the world. 5516 in total there were 12 examples of the reference 5516 made.
Three of these watches were made with perpetual calendars but without leap year indicators.
Born in le brassus raised around the world. Audemars piguet classic hat cap. Three of these watches were made with perpetual calendars but without leap year indicators. This is a column wheel actuated chronograph movement with a 22k central rotor and solid 65 hours of power reserve and a 3hz running speed.