1950s 9ct gold vintage Rolex Precision watch

A 9ct gold vintage Rolex Precision watch. The case measures 31mm in diameter. The case is signed Dennison, Made in England for Rolex, hallmarked Birmingham 1955 and numbered 687378. The movement is signed Rolex, Swiss Made with 15 Rubis, with centre sweep seconds. The black dial has gold raised ‘arrow head’ hour indicators with gold Arabic numerals to the quarters and a gold Rolex Coronet at the twelve. The dial is signed Rolex above the centre with Precision below.