LONGINES 15.23BrandLONGINESCaliber15.23SizeFunctionVersionHandsStemStem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)1,20x8,00x09Mainspring (subs.)SpezialBatteryWatchpartsPart NocaliberdescriptionoriginalArtno.770BMainspring t-hook95400770823