FELSA 4045 Brand FELSA Caliber 4045 Size 5 1/4 Function Version Hands 0,60x1,20 Stem 5301 Stem (subs.) Stem (2 pce) Balance staff 31013 Balance staff (subs.) Mainspring (subs.) 1,45x7,5x0,08 Mainspring (subs.) Battery Watchparts Part NocaliberdescriptionoriginalArtno.401Winding stem8025301443BSetting lever assembled920004434045723Balance staff ST -shock-absorber80231013723BBalance staff ST -shock-absorberL = 30680207239