FELSA 370 Brand FELSA Caliber 370 Size 5 3/4x7 Function Version Hands 0,50x1,00 Stem 5549 Stem (subs.) Stem (2 pce) Balance staff 26720 Balance staff (subs.) 27216 Mainspring (subs.) 1,15x6,00x0,07 Mainspring (subs.) Battery WatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8025549723Balance staff ST -shock-absorber80226720723Balance staff, pivoted80227216