B.F.G. 688BrandB.F.G.Caliber688Size10 1/2FunctionVersionHands1,00x1,80Stem8701Stem (subs.)Stem (2 pce)Balance staff44801Balance staff (subs.)44803Mainspring (subs.)1,4x11,5x0,11Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8028701723Balance staff, pivoted80244803723Balance staff ST -shock-absorber80244801