HATTORY-SEIKO 2Y00 Exploded diagram Brand HATTORY-SEIKO Caliber 2Y00 Size 5 1/2 Function o. SC Version Hands 0.45x0.90 Stem 351-236 Stem (subs.) 351-238 Stem (2 pce) Balance staff Balance staff (subs.) Mainspring (subs.) Mainspring (subs.) Battery 317 MovementsArtno.brandcaliberSizehandsfunctionspecial161920HATTORY-SEIKO2Y005 1/20.45x0.90o. SC Watchparts Part NocaliberdescriptionoriginalArtno.4012Y00Winding stem035123898403512384012Y00Winding stem0351236984035123640002P20AElectronic module4000-352984040003524060Coil -red4002-0359840400203542112Y00Rotor4146-03698404146036.2Y00MAIN PLATE(PLASTIC)01003559840100355.2Y00TRAIN WHEEL BRIDGE01253599840125359.2Y00CENTER MINUTE WHEEL02703159840270315.2Y00Hour wheel02711359840271135.2Y00Setting lever03833519840383351.2Y00SAFETY CHAINB5471G-SCG.2Y00SAFETY CHAINB5471S-SCS