Swiss gold, blue enamel, diamond set lever watch Circa 1909

A Swiss gold, blue enamel and diamond set open faced keyless pocket watch, circa 1909. Jeweled gilt lever movement with mustache escapment, bimetallic balance. Gold cuvette with inscription “Victoria”. White enamel dial and Breguet numerals. 18 Carat gold case, bezel and case back cover with translucent guilloché blue enamel, rose cut diamond decoration to the center. Case, cuvette and movement sign and numbered, dial signed. With an Extract from the Archives.