HATTORY-SEIKO 8M25A Exploded diagram Brand HATTORY-SEIKO Caliber 8M25A Size 11 1/2 Function ALARM_MULTI Version Hands Stem 351-148 Stem (subs.) Stem (2 pce) Balance staff Balance staff (subs.) Mainspring (subs.) Mainspring (subs.) Battery MovementsArtno.brandcaliberSizehandsfunctionspecial167698HATTORY-SEIKO8M25A11 1/2ALARM_MULTI WatchpartsPart NocaliberdescriptionoriginalArtno.4000Electronic module4000-49798404000497