An 18ct gold and enamel cocktail watch ring, 1920s, the square dial signed ‘Driva’, with black Arabic numerals, jewelled lever escape movement, the bezel decorated with stylized polychrome enamel detail, the yellow gold case bearing indistinct UK import marks, and numbered ‘51889’, to bifurcated shoulders and plain shank, stamped ‘18’, dial measures 10mm x 10mm, ring size K. £100-200