Omega , Constellation of gold-plated steel, ref. 166.063. Mechanical movement with automatic winding and date, cal. 1001. MVMT strap with MVMT C-type buckle of steel. Ø 36 mm. Approx. 1970., Wear due to age and use. The watch works, but we do not guarantee for the functionality. The rotor is in contact with the mainplate.
