FHF 251 Brand FHF Caliber 251 Size 11 1/2 Function SC Version Hands 0,90x1,30 Stem 6903 Stem (subs.) Stem (2 pce) Balance staff 29518 INCA Balance staff (subs.) 30508 SSR Mainspring (subs.) 1,6x10,0x0,011 Mainspring (subs.) Battery WatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8026903407= 25Clutch wheel9200040725445= 25Setting lever spring9200044525723Balance staff ST -shock-absorber80229518723Balance staff, pivoted80230508