English tortoiseshell silver verge with four cases Circa 1869

Watch with four cases for the Ottoman market
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An English tortoiseshell verge pocket watch, circa 1869, Full plate fire gilt movement with pierced and engraved cock. blued steel screws, pierced and engraved foot and plate for the silver regulator disc with Ottoman inscription, enamel dial with black Ottoman inscription in perfect condition, decorative gilt hands, winding through the back. Silver outer case covered with tortoiseshell and pin decoration, smooth silver first and second case, the third case with tortoiseshell, fourth case silver and engraved.
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Diameter: 62 mm
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Weight 216 g
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Signed: Edward Prior London
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In excellent condition.
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Reference 010000