LANCO 6540 Brand LANCO Caliber 6540 Size Function Version Hands Stem Stem (subs.) Stem (2 pce) Balance staff Balance staff (subs.) Mainspring (subs.) Mainspring (subs.) Battery WatchpartsPart NocaliberdescriptionoriginalArtno.260500Minute wheel92000260500445500Setting lever jumper combinded92000445500