Danish gold watch with patented Jürgensen bow setting circa 1869

Gold open faced pocket watch by Jules Jürgensen
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A Danish pocket chronometer with pivoted detent escapement and patented Jürgensen bow setting, circa 1869. Accompanied by original mahogany box, rating certificate and original certificate.
18 Carat gold, engine-turned, à goutte case with a reeded band, glazed movement, and patented hand setting device. Signed enamel dial with radial Roman hours, auxiliary seconds, and blued Breguet hands. Signed, nickel-plated bridge movement with Geneva Stripes decoration, gold screw compensation balance, and gold escape wheel.
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Diameter: 51 mm
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Weight: 129 g
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Signed: Jules Jürgensen, Copenhagen