MST 401 Brand MST Caliber 401 Size 11 1/2 Function Version Hands 0,80x1,50 Stem 6402 ( 2723 ) Stem (subs.) Stem (2 pce) Balance staff 30006 Balance staff (subs.) 30303 INCA / 30206 SSR Mainspring (subs.) 1,5x9,0x0,11 Mainspring (subs.) Battery Watchparts Part 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 ST -shock-absorber80230006723Balance staff, pivoted80230303
