ZODIAC 52BrandZODIACCaliber52Size10 1/2FunctionVersionHandsStem5540Stem (subs.)Stem (2 pce)Balance staff25004Balance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8025540723Balance staff ST -shock-absorber80225004