HATTORY-SEIKO 6205BBrandHATTORY-SEIKOCaliber6205BSizeFunctionVersionHandsStemStem (subs.)Stem (2 pce)Balance staff28732Balance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.721Balnace cplt. -for shock-absorber310-6109840310610