HATTORY-SEIKO 7R78BrandHATTORY-SEIKOCaliber7R78SizeFunctionVersionHandsStemStem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.4017R78Winding stem03517009840351700.7R78DATE DIAL08789569840878956