1920s early round silver vintage Omega watch

An early round silver vintage watch. The case measures 33 mm in diameter. The case is signed Omega, hallmarked Edinburgh 1923 and numbered 6757421. The movement, which hinges from the front, is signed Omega and numbered 5830279. The white enamel dial has black open Arabic numerals with a subsidiary seconds dial. The dial is signed Omega above the centre.