HATTORY-SEIKO 8A24 Brand HATTORY-SEIKO Caliber 8A24 Size Function Version Hands Stem Stem (subs.) Stem (2 pce) Balance staff Balance staff (subs.) Mainspring (subs.) Mainspring (subs.) Battery Watchparts Part NocaliberdescriptionoriginalArtno..8A24TRAIN WHEEL BRIDGE01250299840125029.8A24TRAIN WHEEL BRIDGE01250309840125030.8A24FOURTH WHEEL AND PINION02410879840241087.8A24FOURTH WHEEL AND PINION02410889840241088