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Caliber P-331 Manufactured by Perrelet
- MOVEMENT
- Mechanical automatic movement calibre P-331
- FUNCTIONS
- Central hands indicating hours, minutes and seconds
- DIMENSIONS
- Thickness (oscillating weight included): 3.85 mm
Fitting diameter: 25.60 mm
Total movement diameter: 26.20 mm
- SPECIFICATIONS
- Vibrations per hour: 28,800 A/h (4 Hz)
Number of rubies: 25
Number of components: 92
Autonomy in hours (fully wound up): 42 hours
- SPECIAL FINISHING
- Main plate: Circular grained, rhodium plated
Bridges: Sandblasted, rhodium plated
Oscillating weight: Perrelet hollowed and personalized
- SYSTEMS
- Automatic winding mechanism with ballbearing-mounted oscillating weight
Anti-shock system on the balance wheel (Incabloc® shock absorbers)
Fine adjustment device
