Danish pink gold open faced lady’s pocket watch Circa 1874

Gold open faced lever 
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A fine Danish 18K pink gold keyless pocket watch, circa 1874. Jûrgensen’s patent bow hand setting was patented in 1876. White enamel dial with black radial Roman numerals, outer minute track, subsidiary dial and blued steel Breguet hands. Straight-line lever escapement. Case, dial, and movement signed.
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Diameter: 33 mm
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Thickness: 14 mm
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Signed: Jules Jurgsensen  Copenhagen