HELVETIA 121

BrandHELVETIACaliber121Size5 1/2FunctionVersionHands0,45x1,00Stem5532Stem (subs.)Stem (2 pce)Balance staff28713 INCABalance staff (subs.)Mainspring (subs.)1,35x6,0x0,06Mainspring (subs.)Battery

Watchparts

Part NocaliberdescriptionoriginalArtno.
401Winding stem8025532
723Balance staff ST -shock-absorber80228713
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