HATTORY-SEIKO 5930A Exploded diagram Brand HATTORY-SEIKO Caliber 5930A Size Function Version Hands Stem 354-494 Stem (subs.) Stem (2 pce) Balance staff Balance staff (subs.) Mainspring (subs.) Mainspring (subs.) Battery MovementsArtno.brandcaliberSizehandsfunctionspecialHATTORY-SEIKO5930A Watchparts Part NocaliberdescriptionoriginalArtno.4015930Winding stem0354-49498403544944000BElectronic module4001-490984040014904060BCoil -red4002-49098404002490