B.F.G. 911BrandB.F.G.Caliber911Size6 3/4FunctionVersionHandsStem7459Stem (subs.)Stem (2 pce)Balance staff34715 f. Plat.Balance staff (subs.)34716 f. FingMainspring (subs.)1,50x7,50x0,075Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8027459723Balance staff, pivoted80234716723Balance staff ST -shock-absorber80234715