MST 431BrandMSTCaliber431Size7FunctionVersionHands0,60x1,00Stem4907Stem (subs.)Stem (2 pce)Balance staff25301 INCA Reifansatz 69Balance staff (subs.)25303 INCA Reifansatz 74Mainspring (subs.)1,4x6,5x0,065Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.210BThird wheel96300210431401Winding stem8024907443BSetting lever assembled96300443431445BSetting lever spring96300445431703BEscape wheel -pinion 1 lower end-piec.96300703431721BBalance cplt. -regulated975896300721431723Balance staff, pivoted80225303723Balance staff ST -shock-absorber802253013001270.002Springs f.-shock-absorber INCA lower0220215443BScrew for setting lever jumper96305443431