OISA 51

BrandOISACaliber51Size10 1/2FunctionVersionHands0,80x1,50Stem7710Stem (subs.)Stem (2 pce)Balance staff33707Balance staff (subs.)Mainspring (subs.)1,65x9,0x0,11Mainspring (subs.)Battery

Watchparts

Part NocaliberdescriptionoriginalArtno.
401Winding stem8027710
723Balance staff ST -shock-absorber80233707
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