Audemars Piguet 1150

The Audemars Piguet caliber 1150 is an in-house manual winding movement measuring 34.3 mm in diameter and 8.9 mm in height. It has 81 jewels, operates at 21,600 vibrations per hour, and provides a power reserve of 60 hours, incorporating a column wheel construction. It combines a perpetual calendar with date, day, month, and moon phase displays alongside a flyback chronograph with split seconds, a tourbillon, and a minute repeater, and powers the reference 75150.