HATTORY-SEIKO 6432A Exploded diagram Brand HATTORY-SEIKO Caliber 6432A Size Function Version Hands Stem 354-640 Stem (subs.) 354-641 Stem (2 pce) Balance staff Balance staff (subs.) Mainspring (subs.) Mainspring (subs.) Battery Watchparts Part NocaliberdescriptionoriginalArtno.4016423AHandsetting stem354-64098403546404000Electronic module4001-54198404001541