HATTORY-SEIKO 8N25BrandHATTORY-SEIKOCaliber8N25SizeFunctionVersionHandsStemStem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.4018N25Winding stem03513869840351386.8N25MAIN PLATE(PLASTIC)01003889840100388.8N25TRAIN WHEEL BRIDGE01253969840125396.8N25FOURTH WHEEL AND PINION02413899840241389.8N25Hour wheel02713899840271389.8N25Setting lever03833869840383386