MST 429 Brand MST Caliber 429 Size 7 3/4 Function Version Hands 0,70x1,20 Stem 5021 Stem (subs.) Stem (2 pce) Balance staff 26803 INCA Balance staff (subs.) 26802 INCA Mainspring (subs.) 1,3x7,0x0,07 Mainspring (subs.) Battery WatchpartsPart NocaliberdescriptionoriginalArtno.205BCenter wheel drilled + cannon96300205429401Winding stem8025021445Setting lever spring96300445429721Balance cplt. -regulated96300721429723Balance staff ST -shock-absorber80226803723Balance staff, pivoted80226802