J. GRAY. ENGLISH WORK, LONDON. CIRCA 1783. Onion watch in 18k (750 thousandths) yellow gold with two protective cases. Case with smooth reverse with winding aperture, London 1783 hallmark, crowned leopard's head within a solid escutcheon and lion passant. Second protective case in yellow gold with white enamel bezel and gilt fleur-de-lys decoration, the reverse with polychrome decoration painted on enamel (one restoration) after a work by Angelica KAUFFMANN "La Beauté conseillée par la Prudence, rejetant les tentations de la Folie" and second protective case in gilt metal. White enamelled dial, painted Roman and Arabic numerals (enamel missing at 6 o'clock). Mechanical movement, key winding, verge escapement with chains and fusées, openworked and chased cock decorated with a mascaron, signed on the plate. Numbered 869. (Operation not guaranteed.) Diameter: 40 to 53 mm; Gross weight: 109.5 g. (without the second metal case). For this lot, SC E & S PORTIER is assisted by Géraldine Richard, SFEP expert.