B.F.G. 635BrandB.F.G.Caliber635Size19FunctionStoppVersionHandsStem9302Stem (subs.)Stem (2 pce)Balance staff59001Balance staff (subs.)Mainspring (subs.)1,8x16,0x0,21Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8029302723Balance staff ST -shock-absorber80259001