HATTORY-SEIKO 2Y07A Brand HATTORY-SEIKO Caliber 2Y07A Size 5 1/2 Function Version Hands 0.65x1.10 Stem 351-236 Stem (subs.) 351-238 Stem (2 pce) Balance staff Balance staff (subs.) Mainspring (subs.) Mainspring (subs.) Battery 379 MovementsArtno.brandcaliberSizehandsfunctionspecialHATTORY-SEIKO2Y07A5 1/20.65x1.10 Watchparts Part NocaliberdescriptionoriginalArtno.40002Y07Electronic module4001-5349840400153440602Y01Coil4002-036