Lemania caliber 1883 is Swiss movement from 1980’s.
Functions: 3 register on the dial – 60 seconds, 30 minutes and 12 hours, sub second, cam switched, date indication, moon phase.
Manual-winding movement with 17 or 18 jewels.
f = 21600 A/h
Power reserve: 40 hours
Diameter: 27.0 mm
Other links:
Lemania caliber 1883 watch parts