Longines caliber 6312 (ETA-ESA 9162) is Swiss movement from 1970’s.
Functions: hour, minute and second hands, date indication (quickset).
Quartz movement with 12 jewels. (electrical hack feature)
f = 300Hz
Power reserve: N/A
Diameter: 29.0 mm
Other links:
Longines caliber 6312 watch parts
