Pocket watch for the Turkish market, 18k gold, gilded movement, chain and fusee, keywind, diamond endstone, silver regulator plate, enamel dial, case and two outer casings, partly enamelled, English hallmark, c. 1813, diameter ca. 47 mm, 85 , 9 g. Signed Markwick Markham, especially fine pocket watches for the Turkish market were produced. Very often it was cooperated with other well-known watchmakers, such as Francis Perigal, Peter Upjohn, H. Story, Borrell, John Johnson, Louis Recordon.