HATTORY-SEIKO 8N25 Brand HATTORY-SEIKO Caliber 8N25 Size Function Version Hands Stem Stem (subs.) Stem (2 pce) Balance staff Balance staff (subs.) Mainspring (subs.) Mainspring (subs.) Battery Watchparts Part NocaliberdescriptionoriginalArtno.4018N25Winding stem03513869840351386.8N25MAIN PLATE(PLASTIC)01003889840100388.8N25TRAIN WHEEL BRIDGE01253969840125396.8N25FOURTH WHEEL AND PINION02413899840241389.8N25Hour wheel02713899840271389.8N25Setting lever03833869840383386