CITIZEN 6550BrandCITIZENCaliber6550SizeFunctionVersionHandsStemStem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno..battery280-44019140280440.no parts supply6550A-009140655A-0