HATTORY-SEIKO 14A Exploded diagram Brand HATTORY-SEIKO Caliber 14A Size Function Version Hands Stem 351-142 Stem (subs.) 354-073/-351 Stem (2 pce) Balance staff 315-110 (29411 Boley) Balance staff (subs.) Mainspring (subs.) Mainspring (subs.) Battery WatchpartsPart NocaliberdescriptionoriginalArtno.4000Electronic module4001-140 (-142)984040011404060Coil -red4002-140 (-142)98404002140