LONGINES 18.68NBrandLONGINESCaliber18.68NSizeFunctionVersionHandsStem10201Stem (subs.)Stem (2 pce)Balance staff52401Balance staff (subs.)Mainspring (subs.)2,50x15,5x0,19Mainspring (subs.)SpezialBatteryWatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem80210201723Balance staff ST -shock-absorber80252401770BMainspring t-hook954007701868