HATTORY-SEIKO 4S79BrandHATTORY-SEIKOCaliber4S79SizeFunctionVersionHandsStemStem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.4014S79Winding stem03512679840351267.4S79OPEN-CLOSE SPRING81333090