OMEGA 1601 Brand OMEGA Caliber 1601 Size Function Version Hands Stem Stem (subs.) Stem (2 pce) Balance staff 28038 Balance staff (subs.) Mainspring (subs.) Mainspring (subs.) Battery WatchpartsPart NocaliberdescriptionoriginalArtno.723Balance staff ST -shock-absorber80228038.HAND SETTING MAGNET1601-9001965016019001.MODULE1601-9000965016019000