HATTORY-SEIKO 1230 Exploded diagram Brand HATTORY-SEIKO Caliber 1230 Size 5 1/2 Function Version Hands Stem 351-117 Stem (subs.) Stem (2 pce) Balance staff Balance staff (subs.) Mainspring (subs.) Mainspring (subs.) Battery MovementsArtno.brandcaliberSizehandsfunctionspecial161910HATTORY-SEIKO12305 1/2 Watchparts Part NocaliberdescriptionoriginalArtno.4011230Winding stem0351117984035111740001230Electronic module4001-29902599840601230Coil -red4002-12198404002121.1230MAIN PLATE(PLASTIC)01013689840101368.1230TRAIN WHEEL BRIDGE01251269840125126.1230CENTER MINUTE WHEEL02701269840270126.1230Hour wheel02711269840271126.1230Setting lever03831219840383121