AP 1000

This self-winding movement features a grande sonnerie Supersonnerie, minute repeater, tourbillon, flyback and split-seconds chronograph, astronomical moon, moon phases, large date, and standard timekeeping. It contains 1,140 parts and 90 jewels, utilizing a 'Super-Crown' for bidirectional calendar adjustment and gongs mounted to a sapphire crystal membrane that acts as a soundboard.