Swiss 18k gold pendant watch with English lever escapement Circa 1860

Gold hunting cased lever watch
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A fine Swiss, 18K gold, hunting cased pendant watch with English lever escapement, circa 1860. Accompanied by fitted box. An entirely engraved case, the front and back covers with blue enamel surrounding engravings of flowers, the inside back engraved AMP, Oct 19 1866. Hinged gold cuvette with engraved border. White enamel dial with narrow radial Roman numerals, outer minute track. Blued steel cathedral hands. A frosted gilt movement, English lever escapement, bicolour split balance, flat balance spring, index regulator. Cuvette signed.
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Diameter: 40 mm
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Signed: Sandol  Geneva
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The case is slightly damaged and has Slightly restored soft enamel.