1930s early steel rectangular vintage Omega wristwatch

An early steel rectangular vintage Omega wristwatch. The faceted case measures 20 x 38mm (including lugs). The case is signed Omega, Acier Staybrite. The Omega signed movement has 15 jewels with a protective dust cover. The champagne dial has fancy blue Arabic numerals and is signed Omega above the centre. This is a very collectable Art Deco watch.