HATTORY-SEIKO 8T23 Brand HATTORY-SEIKO Caliber 8T23 Size Function Version Hands Stem Stem (subs.) Stem (2 pce) Balance staff Balance staff (subs.) Mainspring (subs.) Mainspring (subs.) Battery Watchparts Part NocaliberdescriptionoriginalArtno.4018T23Winding stem03511149840351114.8T23TRAIN WHEEL BRIDGE01250819840125081.8T23FOURTH WHEEL AND PINION02411689840241168.8T23CENTER MINUTE WHEEL02701689840270168.8T23Hour wheel02711969840271196.8T23Setting lever03830529840383052.8T23DATE DIAL08013759840801375