HATTORY-SEIKO 6206ABrandHATTORY-SEIKOCaliber6206ASizeFunctionVersionHandsStem354-720Stem (subs.)354-721Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.721Balnace cplt. -for shock-absorber310-6109840310610