OMEGA 1600BrandOMEGACaliber1600SizeFunctionVersionHandsStemStem (subs.)Stem (2 pce)Balance staff28038Balance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.723Balance staff ST -shock-absorber80228038.HAND SETTING MAGNET1600-9001965016009001.MODULE1600-9000965016009000