HATTORY-SEIKO 6S74BrandHATTORY-SEIKOCaliber6S74SizeFunctionVersionHandsStemStem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.4016S74Winding stem035144098403514404016S74Winding stem03514309840351430