1920s 18ct two colour gold vintage Longines watch

An 18ct two colour gold rectangular vintage Longines wristwatch. The case measures 24 x 40 mm (including lugs). The case is signed Longines 18K and numbered. The fine quality 8.28 calibre movement is signed Longines, and numbered. The champagne dial has raised Arabic numerals, a subsidiary seconds dial, with fine gilt hands. The dial is signed Longines above the centre.