MST 423BrandMSTCaliber423Size8 3/4FunctionSCVersionHands0,80x1,30Stem6322Stem (subs.)Stem (2 pce)Balance staff28109 INCABalance staff (subs.)Mainspring (subs.)1,4x7,5x0,08Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8026322407BClutch wheel314296300407423410BWinding pignon96300410423425422Clicking spring230096300425422430422Click spring240096300430422702BEscape wheel -pinion 2 end-piec.661396300702423723Balance staff ST -shock-absorber80228109