Swiss 18K yellow gold dress watch with 24-hour dial Circa 1909

Gold open faced lever pocket watch
–
A very fine Swiss, 18K yellow gold, a keyless dress watch with 24-hour dial, circa 1909. Accompanied by a fitted box. A polished case, dedicated hinged gold cuvette. White enamel dial, three-piece with Breguet numerals, outer minute track, inner red 24-hour numerals, subsidiary seconds. Gold spade hands. A frosted gilt movement, 18 jewels, wolf’s tooth winding, straight-line lever escapement, cut bimetallic compensation balance, blued steel Breguet balance spring, swan-neck micrometre regulator. Dial, case and movement signed.
–
Diameter: 49 mm
–
Signed: Vacheron & Constantin  Genève