Piaget caliber 640P

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Brand:	Piaget
Reference:	640P
Base:	Piaget 600P
Movement:	Handwound
Display:	Analog
Diameter:	22.40
Jewels:	24
Reserve:	40
Frequency:	21600
Hands:	Hours, Minutes, Seconds
Astronomical:	Moonphase
Additionals:	Tourbillon Escapement

640P description

Manufacture Piaget 640P hand-wound flying tourbillon mechanical movement with moon-phase indicator.

Type: Hand-wound mechanical
Material: Lapis lazuli, White gold
Shape: Rectangular
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
Diameter (lines): 12.75 X 10
Diameter (mm): 28.6 x 22.4
Number of jewels: 23
Thickness (mm): 3.5
Number of components: 180
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