1920s early silver cushion vintage Rolex Oyster watch

An early silver cushion vintage Rolex Oyster watch. The case measures 32 x 32 mm with a knurled bezel to the front. The case is signed Rolex 20 World’s Records, RWC Ltd (Rolex Watch Company Limited) and hallmarked Glasgow 1928. The Rolex Prima movement has 15 jewels, is timed to 6 positions, for all climates. The crown is signed with the Oyster Patent. The silvered engine turned ‘sunburst’ dial has black Roman numerals with a subsidiary seconds dial. The dial is signed Rolex oyster above the centre.