HATTORY-SEIKO 7L22 Exploded diagram BrandHATTORY-SEIKOCaliber7L22Size11 1/2 KINETICFunctionSC-CLD--AUT-QUARZ-CHRVersionHandsStem351-892Stem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)Battery3023-44ZWatchpartsPart NocaliberdescriptionoriginalArtno.401Handsetting stem98403518921143BOscillating weight assembled98405007001143BOscillating weight assembled9840500702