MST 400BrandMSTCaliber400Size10 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 pinion025998210BThird wheel574896300210400224BFouth wheel-602896300224400401Winding stem8026402410= 371Winding pignon293296300410371415= 360Ratchet wheel96300415360443Setting lever025998445BSetting lever spring383996300445400705Escape wheel -pinion straigt piv.710Pallet fork -pinion 1 lower end-piec.672796300710400723Balance staff, pivoted80230303723Balance staff ST -shock-absorber80230006