HATTORY-SEIKO 8N46 Brand HATTORY-SEIKO Caliber 8N46 Size Function Version Hands Stem Stem (subs.) Stem (2 pce) Balance staff Balance staff (subs.) Mainspring (subs.) Mainspring (subs.) Battery Watchparts Part NocaliberdescriptionoriginalArtno.4018N46Winding stem03513869840351386.8N46MAIN PLATE(PLASTIC)01003889840100388.8N46TRAIN WHEEL BRIDGE01253969840125396.8N46FOURTH WHEEL AND PINION02413859840241385.8N46Hour wheel02713869840271386.8N46Hour wheel02713889840271388.8N46Setting lever03833869840383386