B.F.G. 917BrandB.F.G.Caliber917Size10 1/2FunctionSCVersionHands0,80x1,30Stem7228Stem (subs.)Stem (2 pce)Balance staff30711Balance staff (subs.)Mainspring (subs.)1,35x10,0x0,12Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8027228723Balance staff ST -shock-absorber80230711