ETA 1013BrandETACaliber1013Size7 3/4FunctionVersionHands0,60x1,20Stem5001Stem (subs.)Stem (2 pce)Balance staff23201Balance staff (subs.)25505 INCAMainspring (subs.)1,15x7,0x0,085Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8025001723Balance staff, pivoted80225505723Balance staff ST -shock-absorber80223201