MST 401BrandMSTCaliber401Size11 1/2FunctionVersionHands0,80x1,50Stem6402 ( 2723 )Stem (subs.)Stem (2 pce)Balance staff30006Balance staff (subs.)30303 INCA / 30206 SSRMainspring (subs.)1,5x9,0x0,11Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.200Center wheel + cannon pinion025998210Third wheel574896300210400224= 400Fouth wheel-602896300224400401Winding stem8026402404Winding stem -female -mouv.part27248036402410= 3471Winding pignon293296300410371445= 400Setting lever spring383996300445400705= 400Escape wheel -pinion straigt piv.96300705400723Balance staff, pivoted80230303723Balance staff ST -shock-absorber80230006