HATTORY-SEIKO 4207 Exploded diagram BrandHATTORY-SEIKOCaliber4207SizeFunctionVersionHandsStem351-420Stem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.4014207Winding stem035142098403514207054206Escape wheel -pinion straigt piv.025142198402514217104207Pallet fork -pinion 1 lower end-piec.3014229840301422721BBalance cplt. -regulated0310421984031042125434206Intermediate date wheel No. 208174219840817421.4207MAIN PLATE(PLASTIC)01004239840100423.4207CENTER WHEEL BRIDGE01214209840121420.4207CENTER WHEEL BRIDGE01214219840121421.4207CENTER WHEEL AND PINION02244219840224421.4207CENTER WHEEL AND PINION02244279840224427.4207Cannon pinion02254229840225422.4207Cannon pinion02254279840225427.4207FOURTH WHEEL AND PINION02414219840241421.4207Hour wheel02714259840271425.4207Hour wheel02714279840271427.4207Setting lever03834209840383420.4207DATE DIAL08012749840801274.4207DATE DIAL08012759840801275.4207DATE DIAL08784209840878420