Jewellery, Watches, Silver and Objects of Vertu

Swiss. A gold, enamel and diamond-set open-faced keyless watch, circa 1920.
Movement: lever escapement.
Dial: silvered, engine-turned centre, Arabic numerals, subsidiary seconds.
Case: 18ct gold, gold cuvette, white enamel lines to the rear cover, diamond-set design to the centre.
Signed: unsigned.
Dimensions: diameter 27.5mm.