HELVETIA 820

BrandHELVETIACaliber820Size10 1/2FunctionVersionHandsStem7414Stem (subs.)Stem (2 pce)Balance staff33607 INCABalance staff (subs.)Mainspring (subs.)1,6x9,0x0,10Mainspring (subs.)Battery

Watchparts

Part NocaliberdescriptionoriginalArtno.
401Winding stem8027414
723Balance staff ST -shock-absorber80233607
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