LANCO 500 Brand LANCO Caliber 500 Size 5 1/2 Function Version Hands 0,55x1,10 Stem 5425 Stem (subs.) Stem (2 pce) Balance staff 23503 INCA Balance staff (subs.) 23502 INCA Mainspring (subs.) 1,3x6,0x0,06 Mainspring (subs.) Battery WatchpartsPart NocaliberdescriptionoriginalArtno.260500Minute wheel92000260500401Winding stem8025425445500Setting lever jumper combinded92000445500723Balance staff ST -shock-absorber80223503723Balance staff, pivoted80223502