HATTORY-SEIKO 8M25BBrandHATTORY-SEIKOCaliber8M25BSize11 1/2FunctionVersionHandsStem351-148Stem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.4018M25Winding stem035114898403511484018M25Winding stem0351163984035116340008M25Electronic module4000-49798404000497.8M25MAIN PLATE(PLASTIC)01000869840100086.8M25TRAIN WHEEL BRIDGE01251869840125186.8M25CENTER WHEEL AND PINION02210429840221042.8M25THIRD WHEEL & PINION02310429840231042.8M25FOURTH WHEEL AND PINION02411019840241101.8M25Minute wheel02610429840261042.8M25Hour wheel02711939840271193.8M25Clutch wheel02820429840282042.8M25FRICTION SPRING04900429840490042.8M25INTERMEDIATE MINUTE WHEEL07660429840766042.8M25INTERMEDIATE DATE WHEEL08170429840817042.8M25MODE INDICATOR ARBOR101404498401014044.8M25MODE INDICATOR WHEEL102204398401022043.8M25COIL BLOCK400204298404002042.8M25Rotor414604298404146042.8M25INSULATOR421609098404216090.8M25BATTERY CLAMP422509098404225090.8M25ROTOR STATOR423914298404239142.8M25ROTOR STATOR423914398404239143.8M25BATTERY CONNECTION(-)427009098404270090.8M25SPACER/HOLDER/WASHER440814298404408142.8M25SPACER/HOLDER/WASHER440814898404408148.8M25PIEZOELECTRIC ELEMENT458965098404589650