B.F.G. 800BrandB.F.G.Caliber800Size10 1/2FunctionSCVersionHands1,10x1,80Stem8701Stem (subs.)Stem (2 pce)Balance staff4401Balance staff (subs.)4402 / 44701Mainspring (subs.)1,2x12,0x0,10Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8028701723Balance staff, pivoted8024402