A mid-18th century silver repoussé pair cased open-faced gentleman's pocket watch, probably of North European manufacture, the gilt fusee movement with verge escapement, squared architectural pillars and pierced bridge balance cock, the backplate detailed 'Wilter London', the inner case marked 'L.B' within a stylized coronet, the enamelled dial with black Roman hour numerals and outer Arabic minute numerals, the outer case decorated with a cast classical scene within a surround of rococo scrolls, outer case diameter 5.2cm, with a key.