HELVETIA 105BrandHELVETIACaliber105Size5 1/4FunctionVersionHands0,55x1,00Stem5004Stem (subs.)Stem (2 pce)Balance staff30401Balance staff (subs.)Mainspring (subs.)1,2x7,5x0,08Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8025004723Balance staff ST -shock-absorber80230401