A large silver verge pocket watch with alarm, Simon Decharmes, circa 1720, silver champleve dial with Roman numerals and outer Arabic five minutes, central revolving alarm disc with female setting hole, gilt fusee movement with baluster pillars and signed S. Decharmes, London, winged cock, engraved alarm barrel, finely pierced and chased inner case, later stem & bow, finely pierced, chased and engraved outer case, square hinge, diameter 55mm.