American 18K yellow gold hunting cased pocket watch Circa 1875

Gold keyless lever by E. Howard & Co.
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A fine and rare American, 18K yellow gold, hunting cased, keyless pocket watch, circa 1875. A reeded band hinged gold cuvette with oeil-de-perdrix decoration and engine-turned rim. White enamel dial with painted radial Roman numerals, outer minute ring with 5-minute Arabic markers, sunk subsidiary seconds dial. Blued steel crescent hands. A nickel movement, 3/4 plate, 15 jewels, most in raised screwed gold settings, straight-line calibrated lever escapement, cut bimetallic compensation balance with gold screws, blued steel flat balance spring, swan neck micrometric regulator. Dial and movement signed.
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Diameter: 61 mm
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Signed: E. Howard & Co.  Boston