FELSA 4022 Brand FELSA Caliber 4022 Size 7 3/4 Function Version Hands 0,60x1,20 Stem 5028 Stem (subs.) Stem (2 pce) Balance staff 23202/23204 Balance staff (subs.) 25501/25111 Mainspring (subs.) 1,25x6,50x0,07 Mainspring (subs.) Battery WatchpartsPart NocaliberdescriptionoriginalArtno.200= 4020Center wheel + cannon pinion920002004020401Winding stem8025028420= 4020Crown wheel920004204020420= 4020Crown wheel920004204020445= 4020Setting lever spring920004454020723Balance staff ST -shock-absorber80223202723Balance staff, pivoted80225501