Girard-Perregaux caliber GP01800-0022

Self-winding, skeletonized movement based on the GP1800 architecture. Small seconds at 10:00. Treated using a galvanic process (anthracite gray ruthenium) and worked like a metal net. It enables the eye to follow the movement of energy thanks to the rhodium-plated geartrain. Diameter: 29.90 mm (13 ¼’’’) Height: 4.16 mm Frequency: 28,800 Vib/h – (4 Hz) Number of components: 173 Jewels: 25 Power reserve: min. 54 hours Functions: hours, minutes, small seconds