A silver keywind open-faced pocket watch, mid-18th century, the Continental gilt fusee movement with verge escapement, tapered pillars and openwork pierced balance cock, the backplate detailed 'John Smith London 787', the repoussé silvered dial with black Roman hour numerals and outer black Arabic minute numerals, the centre detailed 'Smith London', case diameter 4.8cm (the outer repoussé case lacking).