FELSA 390-393 Brand FELSA Caliber 390-393 Size 12 Function Version Hands 0,80x1,50 Stem 6806 Stem (subs.) Stem (2 pce) Balance staff 31105 Balance staff (subs.) 30708 INCA Mainspring (subs.) 1,7x10,5x0,12 Mainspring (subs.) Battery WatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8026806723Balance staff ST -shock-absorber80231105723Balance staff, pivoted80230708