HATTORY-SEIKO 2633 Exploded diagram Brand HATTORY-SEIKO Caliber 2633 Size Function Version Hands Stem 354-260 Stem (subs.) 354-262 (lang) Stem (2 pce) Balance staff Balance staff (subs.) Mainspring (subs.) Mainspring (subs.) Battery MovementsArtno.brandcaliberSizehandsfunctionspecialHATTORY-SEIKO2633A Watchparts Part NocaliberdescriptionoriginalArtno.210= 2620AThird wheel and pinion231-261/ -2609840231261250Hour wheel98402712702780Day indicator spring-clip963,26098409632604060Coil -red4002-261025998