HATTORY-SEIKO 8122A Exploded diagram BrandHATTORY-SEIKOCaliber8122ASizeFunctionVersionHandsStem354-765Stem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryMovementsArtno.brandcaliberSizehandsfunctionspecialHATTORY-SEIKO8122A WatchpartsPart NocaliberdescriptionoriginalArtno.2556Datumstern- / Datumanzeiger- Mitnehmerrad802-75698408027564000Electronic module4001 756984040017564060Coil -red4002 75598404002755