A George III silver pair cased keywind open-faced gentleman's pocket watch, the gilt fusee movement with verge escapement and pierced and engraved balance cock, the backplate detailed 'Thornton London', the white enamelled convex dial with black Arabic hour numerals, the inner and outer cases London 1791, case diameter 5.2cm, together with a similar silver cased keywind open-faced pocket watch, the gilt fusee movement detailed 'Jn Jackson Beaconsfield', London 1821, case diameter 4.7cm, (lacking outer pair case).