1930 9ct gold rectangular vintage Omega watch

A 9ct gold rectangular vintage Omega watch. The case measures 22 x 37 mm (including lugs). The case, with a concave bezel, is signed Omega, numbered 3561163 and hallmarked Edinburgh 1930. The movement is signed Omega, Swiss with 15 jewels and numbered 7979021. The dial has fancy black Arabic numerals with a subsidiary seconds dial and outside minute track. The dial is signed Omega above the centre.