UROFA 521BrandUROFACaliber521Size8 3/4FunctionVersionHandsStem6804Stem (subs.)Stem (2 pce)Balance staff29002Balance staff (subs.)Mainspring (subs.)1,25x7,0x0,08Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8026804723Balance staff ST -shock-absorber80229002