Ver la Versión Completa : Pre-SIHH 2012: Girard-Perregaux 1966 Annual Calendar-Equation of Time

14/11/11, 08:53



Caliber GP033M0:

Mechanical with automatic winding
Calibre: 11 ½ ligne
Parts: 287
Frequency: 28,800 vibrations / hour (4 Hz)
Jewels: 44
Power reserve: minimum 46 hours
Functions: hours, minutes, small seconds, annual calendar, equation of time
Balance wheel: variable inertia with gold regulating screws (diameter: 7.18 mm)
Main plate: rhodium-plated, circular-grained above and below, diamond-cut facets
Barrel: snailing on the cover, sunray-brushing on the underside
Gear-train bridge: polished and diamond-cut facets, circular-grained on the underside, drawn sides, diamond-cut recesses, Côtes de Genève and “Girard-Perregaux eagle” engraving
Oscillating weight: pink gold, circular Côtes de Genève
Gear-train: gilded 2N18 wheels, burnished pivots, circular-grained sides