HATTORY-SEIKO 8M25A Exploded diagram BrandHATTORY-SEIKOCaliber8M25ASize11 1/2FunctionALARM_MULTIVersionHandsStem351-148Stem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryMovementsArtno.brandcaliberSizehandsfunctionspecial167698HATTORY-SEIKO8M25A11 1/2ALARM_MULTI WatchpartsPart NocaliberdescriptionoriginalArtno.4000Electronic module4000-49798404000497