English triple cased verge for the Islamic market Circa 1810

Gold, enamel and diamond set quarter repeater by George Prior
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A fine English 18 carat gold, enamel and diamond set triple cased quarter repeating verge pocket watch made for the Islamic market, circa 1810. Gilt brass full plate movement, fusee and chain, verge escapement, steel three armed balance, flat balance spring, one footed cock pierced and engraved with foliage, diamond endstone, rack and pinion regulator with silver plate with Islamic numerals, repeating on a bell in the back of the case. White enamel dial with Arabic numerals, outer minute divisions and replaced gold arrow hands. The outer case with scalloped edges, glazed back, bezels in light green champlevé enamel with translucent red enamel flower and leaf decoration interspersed with rose cut diamonds, rose cut diamond set thumbpieces, the middle case also with scalloped edges, back with painted on enamel depicting an Alpine scene with a distant lake view, translucent red border, bezels with opaque azure, white and red champlevé enamel, rose cut diamond set thumbpiece, the back of the inner case decorated with a painted on enamel view of a ship at sea beneath a royal blue guilloché enamel sky, pierced foliate border intersected by enamelled rosettes and military trophies, red and white enamel decorated bow, the top of the pendant set with a large rose cut diamond. Movement signed.
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Diameter: 52 mm
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Signed: George Prior London