FHF 251BrandFHFCaliber251Size11 1/2FunctionSCVersionHands0,90x1,30Stem6903Stem (subs.)Stem (2 pce)Balance staff29518 INCABalance staff (subs.)30508 SSRMainspring (subs.)1,6x10,0x0,011Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8026903407= 25Clutch wheel9200040725445= 25Setting lever spring9200044525723Balance staff, pivoted80230508723Balance staff ST -shock-absorber80229518