FELSA 4033BrandFELSACaliber4033Size11 1/2FunctionVersionHands0,90x1,50Stem6019Stem (subs.)Stem (2 pce)Balance staff28505Balance staff (subs.)28909Mainspring (subs.)1,40x10,5x0,11Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8026019705= 4000Escape wheel -pinion straigt piv.920007054000723Balance staff, pivoted80228909723Balance staff ST -shock-absorber802285051481= 4000Reduction wheel AUT9200148140001496= 4000,4000NOscillating weight axle920014964001