Swiss gold complicated watch for the Turkish market Circa 1890

Gold watch with five horological complications
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A Swiss 18 carat yellow gold open faced keyless pocket watch with five horological complications, circa 1890. Made for the Turkish market, retailed by Kabata or Labate, probably Ottoman Empire. The five complications: dead independent seconds, date, day, two-time zone, and a thermometer. A polished case back with a white enamel dial, radial Roman numerals (subsidiary dial at 9 o’clock) and Turkish numerals (subsidiary dial at 3 o’clock), blued steel Spade and Fleur-de-Lys hands. A rhodium plated movement, two going barrels, a gold double-train of wheels, straight line lever escapement, cut bimetallic compensated balance with gold poising screws and blued steel hairspring with terminal curve, polished steel index regulator, dead independent seconds work mounted under the dial. Signature on the movement (in Arabic letters by the retailer).
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Diameter: 53 mm
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Signed: No Name
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Five horological complications:
-Dead independent seconds, exterior graduation with central hand; activated by the rectangular push-piece located on the case band, at 10:30.
-Two barrels with differential gears and bidirectional winding inspired by Sylvain Mairet’s (1805-1890) works (1850-1855)
-Hours and minutes of a second time zone, known as doubletourd’heures, subsidiary dial at 3 o’clock, time-setting by push-pin at 1 o’clock.
-Metallic thermometer according to the Celsius scale, half-circle graduation at 6 o’clock with Chaud/Froid indications Hot and Cold in French; not considered as a horological complication)
-Day of the week, subsidiary dial at 12 o’clock; indications given in French.
-Date of the month, subsidiary dial at 12 o’clock.–