HATTORY-SEIKO V256 Brand HATTORY-SEIKO Caliber V256 Size Function Version Hands Stem Stem (subs.) Stem (2 pce) Balance staff Balance staff (subs.) Mainspring (subs.) Mainspring (subs.) Battery Watchparts Part NocaliberdescriptionoriginalArtno.401V256Winding stem03511319840351131.V256SECOND WHEEL PINION02400109840240010