Perrelet P-311 Manual De Instrucciones página 11

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m
ovemenT TeChniCal DaTa
– Thickness of basic movement, including oscillating
weight : 5.03 mm
– Cage diameter : 28.20 mm
– Total diameter of movement : 28.80 mm
– Beats / hour : 28,800 (4Hz)
– Jewels : 23 rubies
– Operating autonomy of the movement when fully
wound : 65 hours minimum.
– Automatic winding with oscillating weight mounted
on ball bearings
– Balance-wheel shock protection system: Incabloc
– Fine regulating device
CALIBRE P- 311 |