FELSA 233 Brand FELSA Caliber 233 Size 7 3/4 Function Version Hands 0,60x1,20 Stem 6403 Stem (subs.) Stem (2 pce) Balance staff 26710 Balance staff (subs.) 27209 INCA Mainspring (subs.) 1,35x6,5x0,07 Mainspring (subs.) Battery WatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8026403723Balance staff ST -shock-absorber80226710723Balance staff, pivoted80227209