Venus caliber 178 is Swiss movement from 1950’s.
Functions: hours, minutes and seconds, 60 seconds, 15 or 30 minutes and 12 hours, pillar wheel.
15 minute register is used on Breiling models – Copilot and Avi.
Manual-winding movement with 17 jewels (Breguet hairspring).
f = 18000 A/h
Power reserve: 45 hours
Diameter: 31.0 mm
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