Danish open faced split seconds lever chronograph Circa 1903

Gold split seconds chronograph by Jules Jürgensen
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A fine and rare Danish 18 carat gold open faced split seconds keyless lever chronograph watch, circa 1903. Nickel finished jewelled lever movement, bimetallic compensation balance, patented bow setting. Gold cuvette. White enamel dial with Roman numerals, outer five minute divisions, two subsidiary dials for 30 minutes register and constant seconds. Plain case, the back with engraved initials CD to the outside and inscription Lieutenant-Commander Cleland Davis U.S.N. May 6th, 1910 to the inside, split seconds chronograph mechanism operated through a button in the band and through the crown. Case, cuvette, dial and movement signed. Comes with original box and certificate.
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Diameter: 45 mm
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Signed: Jules Jürgensen