HATTORY-PULSAR Y643A Exploded diagram Brand HATTORY-PULSAR Caliber Y643A Size 7 3/4 Function SC-DD(3) Version Hands Stem 354-340 Stem (subs.) Stem (2 pce) Balance staff Balance staff (subs.) Mainspring (subs.) Mainspring (subs.) Battery MovementsArtno.brandcaliberSizehandsfunctionspecial163601HATTORY-PULSARY6437 3/4SC-DD(3) Watchparts Part NocaliberdescriptionoriginalArtno.200BLarge driving wheell + cannon pinion270-3439840270343401BWinding stem354-3509840354340401B = 2A22Handsetting stem354-35098403543504000BElectronic module4001-346984040013464060= Y642Coil -red4002-34098404002340