HATTORY-PULSAR Y642A Exploded diagram Brand HATTORY-PULSAR Caliber Y642A Size 7 3/4 Function SC-D(3) Version Hands 0.65x1.10 Stem 354-340 Stem (subs.) Stem (2 pce) Balance staff Balance staff (subs.) Mainspring (subs.) Mainspring (subs.) Battery 397 MovementsArtno.brandcaliberSizehandsfunctionspecial163600HATTORY-PULSARY642A7 3/40.65x1.10SC-D(3) Watchparts Part NocaliberdescriptionoriginalArtno.4000BElectronic module4001-352984040013524060BCoil -red4002-34098404002340