Girard-Perregaux GP09400-0011

Caliber GP09400-0011 is an automatic movement manufactured by Girard-Perregaux. It measures 36mm in diameter and 9.54mm thick, operates at 21,600 vph (3 Hz), provides 60 hours of power reserve, and contains 27 jewels. The skeletonized movement features a unidirectional winding system with an 18K white gold micro-rotor coaxial with the barrel and includes hand-winding capability. Its distinguishing feature is a titanium tourbillon cage composed of 80 components weighing 0.25 grams. The caliber is in-house and serves as the skeletonized variant of the GP 9400.