HATTORY-SEIKO 6810BrandHATTORY-SEIKOCaliber6810SizeFunctionVersionHandsStemStem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.4016810Winding stem035106898403510684016810Winding stem03513709840351370