B.F.G. 844BrandB.F.G.Caliber844Size10 1/2FunctionVersionHands0,80x1,30Stem7446Stem (subs.)7457Stem (2 pce)Balance staff37004Balance staff (subs.)37005Mainspring (subs.)1,40x9,00x0,11Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8027446401Aufzugwelle Ersatz8027457723Balance staff, pivoted80237005723Balance staff ST -shock-absorber80237004