Rivers & Son London 1783 verge watch 18ct gold-case, ornated, very plastic 18-carate-outer-case with deposited sunburst works enemal dial full-plated movement with verge escapement and with chain and volute case with Hallmark of 1783 Lt. Baillie-Lommes, Watchmakers & Clockmakers of the World were Rivers & Son successor of Daniel de Saint Leu. Exceptional well preserved and full-quality watch.