FEMGA 500 Brand FEMGA Caliber 500 Size 10 1/2 Function Version Hands 0,80x1,40 Stem 7327 Stem (subs.) Stem (2 pce) Balance staff 31314 Balance staff (subs.) 32211 SSR / 31605 INCA Mainspring (subs.) 1,7x9,0x0,11 Mainspring (subs.) Battery WatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8027327445BSetting lever jumper combinded92800445500723Balance staff ST -shock-absorber80231314723Balance staff, pivoted80232211