HATTORY-SEIKO 5626A Exploded diagram BrandHATTORY-SEIKOCaliber5626ASizeFunctionVersionHandsStem354-560Stem (subs.)Stem (2 pce)Balance staff315-560Balance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.721Balnace cplt. -for shock-absorber310-5619840310561771BMainspring AUT sliding attachemnet401-5659840401565.Centre wheel -without cannon220-5609840220560