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835P
Hand-wound mechanical regulator movement
26.8 mm
3.9 mm
Specific highlights
• Piaget's third generation of hand-wound mechanical movements.
• Vintage complication: regulator function, originally applied in chronometry
as a precision clock used by watchmakers to verify the rate of the watches.
• Balance wheel with screws.
6
835P
Hand-wound mechanical regulator movement, retrograde seconds
Functions
Hours at 6 o'clock.
Central minutes.
Retrograde seconds at 12 o'clock.
Finishing
Circular Côtes de Genève.
Circular-grained plate.
Bevelled bridges.
Engraved coat of arms.
Blued screws on bridges.
Jewels:
27
Components:
170
Movement thickness: 3.9 mm
Casing dimensions:
12''' (ø 26.8 mm)
Frequency:
21,600 vibrations/hour, 3 Hz
balance wheel with screws
Power reserve:
approximately 60 hours
7
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