HATTORY-SEIKO 7223A Exploded diagram Brand HATTORY-SEIKO Caliber 7223A Size Function Version Hands Stem 354-060 Stem (subs.) Stem (2 pce) Balance staff Balance staff (subs.) Mainspring (subs.) Mainspring (subs.) Battery WatchpartsPart NocaliberdescriptionoriginalArtno.4060Coil -red4002-016025998