HATTORY-SEIKO 2E70 Brand HATTORY-SEIKO Caliber 2E70 Size Function Version Hands Stem Stem (subs.) Stem (2 pce) Balance staff Balance staff (subs.) Mainspring (subs.) Mainspring (subs.) Battery Watchparts Part NocaliberdescriptionoriginalArtno.4012E70Winding stem03512069840351206