A Cartier 'Egyptian' onyx and diamond lapel watch, circa 1930, the tapering gilt dial signed Cartier and with yellow metal hands and black arrow indexes, the white enamel bezel with Roman numerals in gilt, the winding crown set with a diamond, the reverse with onyx panel to a border of diamonds, suspended from a diamond and onyx mounted ribbon with pin attachment, total length 9.5cm, gross weight approximately 33.6gm