HATTORY-SEIKO V071 Brand HATTORY-SEIKO Caliber V071 Size Function Version Hands Stem Stem (subs.) Stem (2 pce) Balance staff Balance staff (subs.) Mainspring (subs.) Mainspring (subs.) Battery Watchparts Part NocaliberdescriptionoriginalArtno.401V071Winding stem03541229840354122