FELSA 4478 Brand FELSA Caliber 4478 Size 11 1/2 Function Version Hands 0,90x1,50 Stem 6041 Stem (subs.) Stem (2 pce) Balance staff 26719 Balance staff (subs.) Mainspring (subs.) 1,20x10,50x0,12 Mainspring (subs.) Battery WatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8026041723Balance staff ST -shock-absorber80226719