HATTORY-SEIKO 7321A Exploded diagram Brand HATTORY-SEIKO Caliber 7321A Size Function Version Hands Stem 354-735 Stem (subs.) 354-736 (lang) Stem (2 pce) Balance staff Balance staff (subs.) Mainspring (subs.) Mainspring (subs.) Battery MovementsArtno.brandcaliberSizehandsfunctionspecialHATTORY-SEIKO7321A Watchparts Part NocaliberdescriptionoriginalArtno.4017321Winding stem035473598403547354017321Winding stem0354736984035473640007321Electronic module40017359840400173540607321Coil -red4002-73598404002735.7321MAIN PLATE(PLASTIC)01017359840101735.7321TRAIN WHEEL BRIDGE01257389840125738.7321CENTER WHEEL AND PINION02217359840221735.7321FOURTH WHEEL AND PINION02417359840241735.7321Hour wheel02717359840271735.7321Setting lever03837359840383735