640P
Manufacture Piaget 640P hand-wound flying tourbillon mechanical movement with moon-phase indicator.
- Type : Mechanical hand-wound
- Material : Lapis lazuli, White gold
- Shape : Rectangular
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Functions : Moon phase indicator at 6 o'clock, Seconds, Hours, Minutes -
Technical features : Flying tourbillon at 12 o'clock, Titanium carriage, Astronomical moon -
Power reserve (in hours) : Approx. 40 - Frequency (vph) : 21,600
- Frequency (Hz) : 3
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Diameter (lines) : 12.75 X 10 - Diameter (mm) : 4
- Number of jewels : 23
- Thickness (mm) : 3.5
- Number of components : 180
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Finishing : Bridges circular-grained, drawn and bevelled by hand, Mainplate circular-grained by hand, Carriage bevelled and drawn by hand, Blued screws, Circular Côtes de Genève
