FELSA 4021BrandFELSACaliber4021Size7 3/4FunctionVersionHands0,60x1,20Stem5028Stem (subs.)Stem (2 pce)Balance staff23202/23204Balance staff (subs.)25501/25111Mainspring (subs.)1,25x6,50x0,07Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8025028420= 4020Crown wheel920004204020445= 4020Setting lever spring920004454020723Balance staff, pivoted80225501723Balance staff ST -shock-absorber802232022556= 4004Datumstern- / Datumanzeiger- Mitnehmerrad920025564004