Swiss gold repeater made for the Islamic market Circa 1820

Gold quarter repeating cylinder pocket watch
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A very fine and rare Swiss, quarter repeating, mixed establishment, 18K gold pocket watch, circa 1820. Made in Geneva for the Islamic market. An Empire case, polished bezel, engine-turned band, hinged back decorated with a pattern of concentric engine-turned circles. Gilt metal hinged cuvette. White enamel dial with radial Islamic numerals, outer minute track. Blued steel hands. A frosted gilt movement, standing barrel, eight jewels, cylinder escapement, three-arm balance, blued steel flat balance spring, pare-chute, index regulator with bimetallic compensation curb, repeating on square section gongs activated by a pull-and-twist piston in the pendant. Cuvette signed.
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Diameter: 56 mm
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Signed: Breguet Swiss
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The present watch is one of those made by Breguet in Switzerland after 1814 when Geneva had become part of the Swiss Confederation. It was almost certainly made in collaboration with Decombaz, the best Genevan watchmaker at the time, who often worked with Breguet, especially for self-winding and grande sonnerie watches. The case bears Geneva marks and also French hallmarks of the period.