HATTORY-SEIKO V507BrandHATTORY-SEIKOCaliberV507SizeFunctionVersionHandsStemStem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.401V507Winding stem03547869840354786