FELSA 4030BrandFELSACaliber4030Size11 1/2FunctionVersionHands0,90x1,50Stem6019Stem (subs.)Stem (2 pce)Balance staff28505Balance staff (subs.)28909Mainspring (subs.)1,40x10,5x0,11Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8026019723Balance staff, pivoted80228909723Balance staff ST -shock-absorber80228505