OMEGA 33.3BrandOMEGACaliber33.3SizeFunctionVersionHandsStemStem (subs.)Stem (2 pce)Balance staffDCN 856 80207231Balance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.705= 170Escape wheel -pinion straigt piv.170-130596501701305