HATTORY-SEIKO S651 Brand HATTORY-SEIKO Caliber S651 Size Function Version Hands Stem Stem (subs.) Stem (2 pce) Balance staff Balance staff (subs.) Mainspring (subs.) Mainspring (subs.) Battery WatchpartsPart NocaliberdescriptionoriginalArtno..S651CONDUCTING PLATE86510879.S651CONDUCTING PLATE86510959