Swiss 18 carat yellow gold keyless pocket watch Circa 1910

Gold open faced lever by Audemars frères
–
An elegant Swiss 18 carat yellow gold keyless open faced pocket watch, circa 1910. This watch features a mechanical hand wound movement with lever escapement, signed Audemars frères, Brassus & Genève. White guilloche dial with Breguet style radial hour markers, outer railway minute divisions, a subsidiary dial for seconds, and blued steel Breguet hands. Round case in 18 carat yellow gold. The double bowl is engraved with: 813.
–
Diameter: 47.5 mm.
–
Weight: 66 g
–
Signed: Audemars frères, Brassus & Genève