HATTORY-SEIKO Y622 Brand HATTORY-SEIKO Caliber Y622 Size Function Version Hands Stem Stem (subs.) Stem (2 pce) Balance staff Balance staff (subs.) Mainspring (subs.) Mainspring (subs.) Battery Watchparts Part NocaliberdescriptionoriginalArtno.401Y622Winding stem03510229840351022401Y622Winding stem03540229840354022