HATTORY-SEIKO 4J51BrandHATTORY-SEIKOCaliber4J51SizeFunctionVersionHandsStemStem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.4014J51Winding stem03514059840351405.4J51TRAIN WHEEL BRIDGE01253919840125391.4J51CENTER WHEEL AND PINION02214089840221408.4J51FOURTH WHEEL AND PINION02414279840241427.4J51Hour wheel02714299840271429.4J51Setting lever03833889840383388.4J51BACK PLATE89922795.4J51BACK PLATE89922796