HATTORY-SEIKO 6106B Exploded diagram BrandHATTORY-SEIKOCaliber6106BSizeFunctionVersionHandsStem357-612Stem (subs.)Stem (2 pce)Balance staff315-611 (29823 Boley)Balance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.721= 6106Balance cplt. -regulated310-611 /-6149840310611