HATTORY-SEIKO 7223A Exploded diagram BrandHATTORY-SEIKOCaliber7223ASizeFunctionVersionHandsStem354-060Stem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.4060Coil -red4002-016025998