HATTORY-SEIKO 8J40BrandHATTORY-SEIKOCaliber8J40SizeFunctionVersionHandsStemStem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.4018J40Winding stem03514069840351406.8J40MAIN PLATE(PLASTIC)01004069840100406.8J40TRAIN WHEEL BRIDGE01253889840125388.8J40CENTER WHEEL AND PINION02214069840221406.8J40FOURTH WHEEL AND PINION02414089840241408.8J40Hour wheel02714059840271405.8J40Setting lever03833889840383388