B.F.G. 875 Brand B.F.G. Caliber 875 Size 12 Function Version Hands 1,10x1,90 Stem 9118 Stem (subs.) 9117 Stem (2 pce) Balance staff 44704 / 44707 Balance staff (subs.) 44705 / 44709 Mainspring (subs.) 1,15x13,0x0,135 Mainspring (subs.) Battery WatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8029118407875clutch wheel90300407875410875Winding pignon90300410875435/1= 866Yoke spring90300435866435Yoke spring90300435875723Balance staff ST -shock-absorber80244704723Balance staff, pivoted80244705