FELSA 4015 Brand FELSA Caliber 4015 Size 11 1/2 Function Version Hands 0,90x1,50 Stem 6019 Stem (subs.) Stem (2 pce) Balance staff 28905 INCA Balance staff (subs.) Mainspring (subs.) 1,4x10,5x0,11 Mainspring (subs.) Battery WatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8026019723Balance staff ST -shock-absorber80228905