Repeating cabriolet watch for the Turkish market Circa 1815

Gold and enamel pair cased quarter repeater by Le Roy
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A very fine and rare French 18 carat gold and enamel pair cased open faced quarter repeating keywound cylinder cabriolet watch made for the Turkish market, circa 1815. Gilded brass ruby cylinder movement, plain three armed brass balance with parachute suspension on the pivot, blued steel flat balance spring with bimetallic compensation curb on the regulator, quarter repeating on two polished steel hammers onto a gong. Gold cuvette. White enamel dial with Turkish numerals, outer railway minute divisions and blued steel hands. Both cases decorated with gilt foliage and translucent scarlet champlevé enamel over an engine turned background, both backs centred by finely painted polychrome enamel scenes depicting seaside scenes in the Ottoman Empire, the pastel coloured sky with translucent enamel sunray effect over an engine turned background, quarter repeating pull-twist push piece in the pendant. Cases and cuvette numbered, cuvette signed Le Roy Élève de Breguet, dial signed with Le Roy’s Turkish signature.
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Diameter: 53.4 mm
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Signed: Le Roy Élève de Breguet
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This piece, watch No. 5021,  is a fine and rare gold and enamelled quarter repeating cabriolet watch made for the Ottoman market by Leroy, Breguet’s pupil and representative in Constantinople.