FELSA 4121BrandFELSACaliber4121Size7 3/4FunctionVersionHands0,60x1,20Stem5028Stem (subs.)Stem (2 pce)Balance staff23202Balance staff (subs.)25501 INCAMainspring (subs.)1,25x6,5x0,07Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8025028420= 4020Crown wheel920004204020721= 4120Balnace cplt. -for shock-absorber920007214120723Balance staff, pivoted80225501723Balance staff ST -shock-absorber80223202