Robert Hynam, a fine 18th century repoussé plunge repeating pair cased verge pocket watch

Robert Hynam, a fine 18th century repoussé plunge repeating pair cased verge pocket watch, circa 1750, the white enamel dial with black Roman numerals and outer minute marker, with blued steel hands, glass missing, within pierced foliate engraved gold case, plunge action repeating and key wind to reverse, signed Rob't Hynam, London No 297, in outer repoussé gold case depicting a classical scene, case width 5cm, gross weight 126g