HELVETIA 91

BrandHELVETIACaliber91Size8 3/4FunctionVersionHands0,60x1,20Stem6013Stem (subs.)Stem (2 pce)Balance staff26402Balance staff (subs.)27511 INCAMainspring (subs.)1,5x7,5x0,08Mainspring (subs.)Battery

Watchparts

Part NocaliberdescriptionoriginalArtno.
401Winding stem8026013
723Balance staff, pivoted80227511
723Balance staff ST -shock-absorber80226402
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