HATTORY-SEIKO H556A Exploded diagram Brand HATTORY-SEIKO Caliber H556A Size Function Version Hands Stem Stem (subs.) Stem (2 pce) Balance staff Balance staff (subs.) Mainspring (subs.) Mainspring (subs.) Battery MovementsArtno.brandcaliberSizehandsfunctionspecialHATTORY-SEIKOH556A Watchparts Part NocaliberdescriptionoriginalArtno.401H556Winding stem03546559840354655.H556MAIN PLATE(PLASTIC)01016559840101655.H556CENTER WHEEL BRIDGE01226559840122655.H556TRAIN WHEEL BRIDGE01256559840125655.H556CENTER WHEEL AND PINION02216559840221655.H556FOURTH WHEEL AND PINION02416559840241655.H556Hour wheel02716559840271655.H556LIQUID CRYSTAL PANEL451053598404510535.H556LIQUID CRYSTAL PANEL451053698404510536