HATTORY-SEIKO 7R78 Brand HATTORY-SEIKO Caliber 7R78 Size Function Version Hands Stem Stem (subs.) Stem (2 pce) Balance staff Balance staff (subs.) Mainspring (subs.) Mainspring (subs.) Battery Watchparts Part NocaliberdescriptionoriginalArtno.4017R78Winding stem03517009840351700.7R78DATE DIAL08789569840878956