HATTORY-SEIKO 2633 Exploded diagram BrandHATTORY-SEIKOCaliber2633SizeFunctionVersionHandsStem354-260Stem (subs.)354-262 (lang)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryMovementsArtno.brandcaliberSizehandsfunctionspecialHATTORY-SEIKO2633A WatchpartsPart NocaliberdescriptionoriginalArtno.210= 2620AThird wheel and pinion231-261/ -2609840231261250Hour wheel98402712702780Day indicator spring-clip963,26098409632604060Coil -red4002-261025998