English gold quarter repeater for Turkish market Circa 1790

Multi coloured gold quarter repeater by Daniel de St. Leu
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A fine and rare English 18 carat four colour gold quarter repeating pair cased verge watch made for the Turkish market, circa 1790. Gilt finished verge movement, pierced and engraved balance cock, gilt dust cover, quarter repeating on a bell activated through the pendant. White enamel dial with Turkish numerals. Inner case pierced and engraved, the four colour gold outer case chased with foliate scrolls and the back centered by a trophy of war. Movement and dust cover signed.
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Diameter: 58 mm
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Signed: De St. Leu London