HATTORY-SEIKO 6899BrandHATTORY-SEIKOCaliber6899SizeFunctionVersionHandsStemStem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.4016899Winding stem035137198403513714016899Winding stem03513769840351376