Automatic mainspring 771 for OMEGA 1045 and LEMANIA 5100
Tension spring for automatic wrist watches
Suitable for the following calibers:
BULOVA: 1432.10, 1432.30, 1436.10, 1436.30
ETA: 2890, 2892, 2892/2, 2892/A2, 2893/2, 2894/2, 2896
LONGINES: 624.2, 626.2, 627.1, 627.3, 628.1, 629.1, 647.2
OMEGA: 1108, 1110, 1120, 1140
TISSOT: 3132
ZENITH: 49.0