HATTORY-SEIKO 47A Exploded diagram Brand HATTORY-SEIKO Caliber 47A Size 6 3/4 Function SC Version Hands Stem 354-770 Stem (subs.) Stem (2 pce) Balance staff Balance staff (subs.) Mainspring (subs.) Mainspring (subs.) Battery 384 MovementsArtno.brandcaliberSizehandsfunctionspecialHATTORY-SEIKO47A6 3/4SC Watchparts Part NocaliberdescriptionoriginalArtno.401BHandsetting stem354-77098403547704000Electronic module4001-7704060Coil -red4002-770025998