HATTORY-SEIKO 5L10 Brand HATTORY-SEIKO Caliber 5L10 Size Function Version Hands Stem 351-671 Stem (subs.) Stem (2 pce) Balance staff Balance staff (subs.) Mainspring (subs.) Mainspring (subs.) Battery Watchparts Part NocaliberdescriptionoriginalArtno..5L10Hour wheel02716739840271673