HATTORY-SEIKO V707 Brand HATTORY-SEIKO Caliber V707 Size Function Version Hands Stem Stem (subs.) Stem (2 pce) Balance staff Balance staff (subs.) Mainspring (subs.) Mainspring (subs.) Battery Watchparts Part NocaliberdescriptionoriginalArtno.401V707Winding stem03518909840351890