HATTORY-SEIKO 6S78BrandHATTORY-SEIKOCaliber6S78SizeFunctionVersionHandsStemStem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.4016S78Winding stem03514309840351430.6S78DATE DIAL08783409840878340.6S78CONDUCTING PLATE86510069