MST 441 Brand MST Caliber 441 Size 11 1/2 Function SC-CLD-AUT Version Hands 0,90x1,50 Stem 6020 Stem (subs.) 6019 Stem (2 pce) Balance staff 28905 INCA Balance staff (subs.) Mainspring (subs.) 1,4x10,5x0,115 Mainspring (subs.) Battery WatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8026020404Winding stem -female -mouv.part8036019705= FELSA 4000Escape wheel -pinion straigt piv.920007054000723Balance staff ST -shock-absorber80228905