JUNGHANS 81BrandJUNGHANSCaliber81Size8 3/4FunctionVersionHands0,70x1,20Stem7510Stem (subs.)Stem (2 pce)Balance staff28304Balance staff (subs.)Mainspring (subs.)1,4x8,0x0,09Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8027510407clutch wheel9460040781410Winding pignon9460041081723Balance staff ST -shock-absorber80228304