B.F.G. 920BrandB.F.G.Caliber920Size8 3/4FunctionVersionHandsStem6216Stem (subs.)Stem (2 pce)Balance staff33310Balance staff (subs.)Mainspring (subs.)1,70x8,00Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8026216721Balance cplt. -regulated723Balance staff ST -shock-absorber80233310