GRUEN 431

BrandGRUENCaliber431Size8 3/4FunctionVersionHands0,65x1,20Stem5912Stem (subs.)Stem (2 pce)Balance staff30907Balance staff (subs.)Mainspring (subs.)1,15x8,5x0,10Mainspring (subs.)Battery

Watchparts

Part NocaliberdescriptionoriginalArtno.
401Winding stem8025912
723Balance staff ST -shock-absorber80230907
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