HAMILTON 60 Brand HAMILTON Caliber 60 Size Function Version Hands Stem 6426 Stem (subs.) Stem (2 pce) Balance staff Balance staff (subs.) Mainspring (subs.) Mainspring (subs.) Battery WatchpartsPart NocaliberdescriptionoriginalArtno.401Winding stem8026426443= ETA 2390Setting lever assembled920004432390445= ETA 2390Setting lever spring920004452390