B.F.G. 417BrandB.F.G.Caliber417Size20FunctionVersionHandsStem9028 / 9030 / 9039Stem (subs.)9041 / 9042 / 9043 / 9045Stem (2 pce)Balance staff61001Balance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8029028401Aufzugwelle Ersatz8029041723Balance staff ST -shock-absorber802610018139Operating lever chrono 2 funct.920081394178335Operating lever spring92008335417