Piaget caliber 551P

Manufacture Piaget 551P self-winding mechanical movement with small seconds and power-reserve indicator. Type: Self-winding mechanical Shape: Truncated round Functions: Power reserve indicator at 6 o'clock, Small seconds at 10 o'clock, Hours, Minutes Power reserve (in hours): Approx. 42 Frequency (vph): 21,600 Frequency (Hz): 3 Diameter (lines): 9.00 Diameter (mm): 20.5 Number of jewels: 27 Thickness (mm): 4.9 Number of components: 225 Finishing: Bevelled bridges, Circular-grained mainplate, Blued screws, Circular Côtes de Genève