Valjoux caliber 7730 is Swiss movement from 1950’s.
Functions: 2 registers on the dial – 60 seconds, 30 or 45 minutes, sub second, cam switched.
Manual-winding movement with 17 jewels with incabloc
f = 18000 A/h
Power reserve: 45 hours
Diameter: 31.0 mm
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Valjoux caliber 7730 watch parts