MST 422 Brand MST Caliber 422 Size 8 3/4 Function Version Hands 0,60x1,30 Stem 6322 Stem (subs.) Stem (2 pce) Balance staff 27005 Balance staff (subs.) 27805 INCA Mainspring (subs.) 1,4x7,5x0,08 Mainspring (subs.) Battery Watchparts Part NocaliberdescriptionoriginalArtno.200BLarge driving wheell + cannon pinion025998401Winding stem8026322410Winding pignon425Clicking spring230096300425422430Click spring240096300430422443Setting lever assembled445Setting lever jumper combinded96300445411723Balance staff ST -shock-absorber80227005723Balance staff, pivoted80227805