HATTORY-SEIKO 5Y37A Exploded diagram Brand HATTORY-SEIKO Caliber 5Y37A Size 10 1/2 Function Version Hands 0.65x1.10 Stem Stem (subs.) Stem (2 pce) Balance staff Balance staff (subs.) Mainspring (subs.) Mainspring (subs.) Battery 371 MovementsArtno.brandcaliberSizehandsfunctionspecial166684HATTORY-SEIKO5Y37A10 1/20.65x1.10 Watchparts Part NocaliberdescriptionoriginalArtno.4000Electronic module4001-52498404001524.5Y37CENTER WHEEL AND PINION02216719840221671.5Y37Hour wheel02716749840271674
