AP 1150

Calibre 1150 is an ultra-complicated hand-wound movement from Audemars Piguet, consisting of 1,099 parts and 81 jewels, beating at 3 Hz with a 60-hour power reserve. It combines a grande sonnerie Supersonnerie, minute repeater, flying tourbillon, flyback and split-seconds chronograph, and a perpetual calendar with a large date and astronomical moon. Measuring 34.3 mm by 8.9 mm, it incorporates numerous integrated ergonomic and safety systems for chiming, chronography, and calendar management, with the Universal Calendar mechanism housed separately in the caseback.