HATTORY-SEIKO 8J80BrandHATTORY-SEIKOCaliber8J80SizeFunctionVersionHandsStemStem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.4018J80Winding stem035140598403514054018J80Winding stem03514069840351406.8J80MAIN PLATE(PLASTIC)01004099840100409.8J80TRAIN WHEEL BRIDGE01253899840125389.8J80CENTER WHEEL AND PINION02214069840221406.8J80CENTER WHEEL AND PINION02214129840221412.8J80CENTER WHEEL AND PINION02214229840221422.8J80FOURTH WHEEL AND PINION02414089840241408.8J80FOURTH WHEEL AND PINION02414229840241422.8J80Hour wheel02714029840271402.8J80Hour wheel02714059840271405.8J80Setting lever03833889840383388.8J80OPEN-CLOSE SPRING81332020.8J80BACK PLATE87021261.8J80BACK PLATE89933535