J. COX. AN EXCEPTIONAL AND UNUSUAL HEART-SHAPED DUAL-TIME GILT METAL, SILVER AND PEARL-SET WATCH SET WITHIN A MAGNIFICENT CHINESE IMPERIAL MULTI-COLOURED GLASS-SET BELT-BUCKLESigned Jas. Cox, London, No. 1004, circa 1770With heart-shaped gilt verge movement, turned pillars, chain fusée, the two white enamel dials with Roman numerals, gold hands, visible mock escapement set with red paste, all set within a floral engraved heart-shaped gilt plate and gilt metal case with a pearl-set hinged bezel, set within an oval silver case, the front decorated with a mosaic of blue glass enhanced by two red glass-set bats, symbolising good fortune, within green glass and pearl-set rim and red glass-set border to the purple glass-set band, the back with belt buckle attachments and inscription, movement signed80 mm. wide.