HATTORY-SEIKO E029A Exploded diagram Brand HATTORY-SEIKO Caliber E029A Size Function Version Hands Stem Stem (subs.) Stem (2 pce) Balance staff Balance staff (subs.) Mainspring (subs.) Mainspring (subs.) Battery Watchparts Part NocaliberdescriptionoriginalArtno.4060Coil -red4002302984040023024400BBridle (+)4225-30298404225302.E029Summerfeder424630298404246302