HATTORY-SEIKO 7T42B Exploded diagram BrandHATTORY-SEIKOCaliber7T42BSize11 1/2FunctionSC-CLD-CHR-ALARMVersionHands0,65x1,10Stem351-580Stem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)Battery399WatchpartsPart NocaliberdescriptionoriginalArtno.2507T32Hour wheel H1= 238 Standard271-58898402715884000BElectronic module4000-71298404000712