HATTORY-SEIKO V891 Brand HATTORY-SEIKO Caliber V891 Size Function Version Hands Stem Stem (subs.) Stem (2 pce) Balance staff Balance staff (subs.) Mainspring (subs.) Mainspring (subs.) Battery Watchparts Part NocaliberdescriptionoriginalArtno.401V891Winding stem03515469840351546.V891DAY STAR WITH DIAL DISK06340099840634009