1920s silver rectangular vintage Rolex watch

A large silver rectangular vintage Rolex watch. The case measures 25mm x 38mm (including lugs). The case is signed W&D ( Wilsdorf & Davis), Rolex,  7 World’s Records and hallmarked Glasgow 1929. The movement is signed Rolex, with 15 Rubies. The silvered two-tone dial has black Arabic numerals,with a subsidiary seconds dial and Breguet style hands. The dial is signed Rolex above the centre.