VALJOUX 55BrandVALJOUXCaliber55Size17 1/2FunctionVersionHandsStem7553Stem (subs.)Stem (2 pce)Balance staff45501Balance staff (subs.)Mainspring (subs.)1,50x15,50x0,20Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8027553723Balance staff ST -shock-absorber80245501