HATTORY-SEIKO 5Y91 Exploded diagram BrandHATTORY-SEIKOCaliber5Y91Size6 3/4x8Functiono. SCVersionHands0.65x1.10Stem351-486Stem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)Battery364MovementsArtno.brandcaliberSizehandsfunctionspecial162650HATTORY-PULSARY482 A6 3/4x80.65x1.10o. SC WatchpartsPart NocaliberdescriptionoriginalArtno.4015Y91Winding stem03547869840354786.5Y91MAIN PLATE(PLASTIC)01017859840101785.5Y91TRAIN WHEEL BRIDGE01257869840125786.5Y91CENTER WHEEL AND PINION02217859840221785.5Y91FOURTH WHEEL AND PINION02417939840241793.5Y91Hour wheel02717859840271785.5Y91Setting lever03837859840383785