Le Roy & Fils. A gold, enamel and diamond-set open-faced watch, no. 40458, circa 1850.
Movement: cylinder escapement.
Dial: white enamel, Roman numerals.
Case: gold, gold cuvette with engraving, translucent blue enamel over an engine-turned ground, star design to the centre with old-cut diamonds, no. 8700.
Signed: cuvette signed Le Roy & Fils Hgers de La Marine Palais Royal 13 & 15 Galie Montpensier Paris, 296 Regent Street, London.
Dimensions: diameter 33mm.
£500-£700