English chronometer made for the Turkish market Circa 1815

Gold open faced chronometer
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An English 18 carat gold open faced pocket chronometer made for the Turkish market, circa 1815. Spring detent escapement, two-arm bimetallic balance with wedge weights and gold timing screws, helical blued steel balance spring, diamond endstone, scroll engraved balance cock, gilt dust cap.
White enamel dial with Turkish numerals and subsidiary seconds. Heavy, plain consular case, the interior stamped with faux English hallmarks, the back interior with gold mark and stamped JOSEHH. Movement and dustcover signed and numbered, case numbered. Accompanied by an associated gold link fob.
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Diameter: 57 mm
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Signed: Markwick Markham & Recordon London
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The trading name of Markwick Markham became famous for watches destined for the Turkish market. Not only did this notoriety encourage the appearance of spuriously signed watches, but at the end of the century Markham, or his successor, associated the names of other watchmakers with their products intended for the East. The makers thus found associated are Francis Perigal, Peter Upjohn, H. Story, Borrell, John Johnson, Louis Recordon and Dupont. All were reputable watchmakers in their own right, selling other products under their names.
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Louis Recordon active 1778-1824, watchmaker, London, England.