HATTORY-SEIKO A904 Exploded diagram BrandHATTORY-SEIKOCaliberA904SizeFunctionVersionHandsStemStem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno..A904LIQUID CRYSTAL PANEL451074798404510747.A904LIQUID CRYSTAL PANEL451074898404510748