GUB 08-20BrandGUBCaliber08-20Size5 1/2FunctionVersionHands0,55x1,0Stem5556Stem (subs.)Stem (2 pce)Balance staff28230Balance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.227= 09-20Sweep second pinion936002270920401Winding stem8025556723Balance staff ST -shock-absorber80228230