JUNGHANS 640.45 Brand JUNGHANS Caliber 640.45 Size 11 1/2 Function Version Hands Stem 5937 (Gew. 100) Stem (subs.) Stem (2 pce) Balance staff Balance staff (subs.) Mainspring (subs.) Mainspring (subs.) Battery WatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8025937