Very much in the style of Ferrero, the floral decoration of the case is made of unusually large rose-cut diamonds. The portrait on the cuvette is painted with such skill that it can be attributed to John Graff who used to work for Ferrero. J. Ferrero Case maker jeweller, able engraver and enameller, he was successor to" L. Simonet & Cie. He settled in Geneva, 19, rue du Rhone in 1854, and specialised in very expensive gold and enamelled watch cases, richly inlaid with diamonds and gems, made for the Chinese, Indian and Islamic markets. He also used to work with Graff, the celebrated portrait painter. J. Ferrero received the highest award at the Chicago Universal Exhibition in 1893 and a gold medal at the Exposition Nationale de Geneve in 1896. He was appointed member of the Jury at the Exposition Universelle de Paris in 1900. John Graff (1836 - 1902) He was the most eminent portrait painter on enamel, in Geneva at that time. He used to work from poor quality photographs sent from India, which he would then colour with great skill, using all the various shades of the rainbow. His work was excellent, never garish, and his reputation extended to the Far- East, where the Nabobs insisted that their portraits be painted on the watches they had purchased.