FELSA 81BrandFELSACaliber81Size6FunctionVersionHands0,50x1,00Stem5017Stem (subs.)5012Stem (2 pce)Balance staff26204 / 26205Balance staff (subs.)26206 INCAMainspring (subs.)1,35x5,0x0,06Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.260= 21Minute wheel920002602140122Winding stem8025017401= OMEGA 580Winding stem= Ersatz8025012420= 21Crown wheel9200042021445= 22Setting lever spring9200044521723Balance staff, pivoted80226206723Balance staff ST -shock-absorber80226204