855P

Manufacture Piaget 855P ultra-thin self-winding mechanical Perpetual Calendar movement with retrograde day and date display, and dual time zone. Type: Self-winding mechanical Shape: Round Functions: Small seconds at 4 o'clock, Retrograde date display at 3 o'clock, Retrograde day display at 9 o'clock, Second time zone at 8 o'clock (12 hours), Day/night indicator at 8 o'clock synchronised with the main time zone, Month at 12 o'clock, Year at 12 o'clock, Hours, Minutes Technical features: Retrograde day and date displays, Double barrel, Balance with screws Power reserve (in hours): Approx. 81 Frequency (vph): 21,600 Frequency (Hz): 3 Diameter (lines): 12.50 Diameter (mm): 28.4 Number of jewels: 38 Thickness (mm): 5.6 Number of components: 343 Finishing: Mainplate engraved with the Piaget coat-of-arms, Oscillating weight engraved with the Piaget coat of arms, Blued screws, Circular Côtes de Genève, Circular-grained mainplate, Bevelled bridges