Swiss silver lever made for the Islamic market Circa 1910

Silver watch with two-time zone dial 
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A Swiss silver two-time-zone keyless pocket watch, circa 1910. Made for the Islamic market. A polished case, engine-turned back with a vacant cartouche and hinged silver cuvette. White enamel dial with two meantime dials, on the left with Arabic numerals, on the right with Islamic numerals, subsidiary seconds and blued steel and gold spade hands. A rhodium-plated movement, 15 jewels, monometallic balance, flat balance spring, index regulator. Dial signed Djavaheri.
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Diameter: 49,5 mm
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Signed: Djavaheri  Swiss
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Some hairlines on the dial.