HATTORY-SEIKO 2320A Exploded diagram Brand HATTORY-SEIKO Caliber 2320A Size Function Version Hands Stem 354-810 Stem (subs.) 354-811 (kurz) Stem (2 pce) Balance staff Balance staff (subs.) Mainspring (subs.) Mainspring (subs.) Battery MovementsArtno.brandcaliberSizehandsfunctionspecialHATTORY-SEIKO2320A Watchparts Part NocaliberdescriptionoriginalArtno.4012320Winding stem035481198403548114012320Winding stem03548109840354810401BWinding stem354-81198403548114000Electronic module4001-8100259984060Coil -red4002-81098404002810.2320MAIN PLATE(PLASTIC)01018109840101810.2320CENTER WHEEL AND PINION02218109840221810.2320Cannon pinion02258119840225811.2320FOURTH WHEEL AND PINION02418109840241810.2320Hour wheel02718119840271811.2320Setting lever03838109840383810.2320SPACER89996430