HATTORY-SEIKO 4J27BrandHATTORY-SEIKOCaliber4J27SizeFunctionVersionHandsStem351-405Stem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.4014J27Winding stem03514059840351405.4J27MAIN PLATE(PLASTIC)01004059840100405.4J27TRAIN WHEEL BRIDGE01253889840125388.4J27CENTER WHEEL AND PINION02214169840221416.4J27FOURTH WHEEL AND PINION02414089840241408.4J27Hour wheel02714179840271417.4J27Setting lever03833889840383388