细节
Vulliamy: A Fine 18ct Gold Dumb-Quarter Repeating Centre Seconds Duplex Watch with a Temperature Compensation Curb
signed Vulliamy, London, no. NS11, London hallmark 1797
the gilt movement with brass balance wheel with concealed timing screws and flat blued steel spring, bimetallic spiral shaped temperature curb with a fine micrometer adjustment screw, the continental style bridge balance cock with pierced foliate decoration and a diamond endstone in a blued steel chaton, worm and pinion barrel set up work, Harrison maintaining power, repeating via plunge pendant on two hammers, under a plain gilt dust cover, the enamel dial with Roman numerals with Arabic five minute divisions and gold beatle and poker hands, polished steel sweep seconds hand, the case decorated with leaves around the bezel and engine turned back and central engraved Coat of Arms, marked with makers intials 'CR', with a period mahogany fitted box
60mm