Automatic movement caliber P-181-H
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Caliber P-181-H manufactured by Perrelet
- MOVEMENT
- Mechanical automatic movement calibre P-181-H
Double Rotor
- FUNCTIONS
- Central hands indicating hours, minutes and seconds
- DIMENSIONS
- Thickness (oscillating weight included): 4.90 mm
Fitting diameter: 31.60 mm
Total movement diameter: 31.60 mm
- SPECIFICATIONS
- Vibrations per hour 28,800 A/h (4 Hz)
Number of rubies 26
Number of components 100
Autonomy in hours (fully wound up) 42 hours
- SPECIAL FINISHING
- Specialty: Double Rotor
Main plate: Circular grained, rhodium plated
Bridges: Côte de Genève, rhodium plated
Oscillating weight: Hollowed and adorned with Perrelet decoration
- SYSTEMS
- Automatic winding mechanism with ballbearing-mounted oscillating weight coupled with a
second inertia weight mounted on the dial
Anti-shock system on the balance wheel (Incabloc® shock absorbers)
Adjusted to heat cold isochronism and 6 positions
Other automatic movements manufactured at Maison Perrelet