HATTORY-SEIKO 6898 Brand HATTORY-SEIKO Caliber 6898 Size Function Version Hands Stem Stem (subs.) Stem (2 pce) Balance staff Balance staff (subs.) Mainspring (subs.) Mainspring (subs.) Battery Watchparts Part NocaliberdescriptionoriginalArtno.4016898Winding stem03513719840351371