EXCELSIOR 22BrandEXCELSIORCaliber22SizeFunctionVersionHandsStemStem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.8181BNullsteller9200818122718181Fly-back lever -zero actoon92008181228350Hammer spring, 2 functions9200835122