HATTORY-SEIKO 1N2W Brand HATTORY-SEIKO Caliber 1N2W Size Function Version Hands Stem Stem (subs.) Stem (2 pce) Balance staff Balance staff (subs.) Mainspring (subs.) Mainspring (subs.) Battery Watchparts Part NocaliberdescriptionoriginalArtno.4011N2WWinding stem03518079840351807.1N2WMAIN PLATE(PLASTIC)01018049840101804.1N2WMAIN PLATE(PLASTIC)01018099840101809.1N2WTRAIN WHEEL BRIDGE01258089840125808.1N2WTRAIN WHEEL BRIDGE01258099840125809.1N2WCENTER WHEEL AND PINION02218099840221809.1N2WCENTER WHEEL AND PINION02218139840221813.1N2WFOURTH WHEEL AND PINION02418189840241818.1N2WHour wheel02718039840271803.1N2WHour wheel02718139840271813.1N2WSetting lever03838069840383806