Cartier, a Belle Epoque enamel and diamond pendant watch, circa 1900

Cartier, a Belle Epoque enamel and diamond pendant watch, circa 1900, the circular engined turned dial with black enamel indicators and blued steel hands, within a border of violet guilloché and dotted white enamel, the reverse similarly in violet guilloché enamel, centring on a floral motif in platinum set with rose-cut diamonds, to a platinum suspension loop set with rose-cut diamonds, to a later fine link chain, watch signed Cartier to dial and movement, case back interior numbered 2902, 3320 and 1842, stamped with French import assay marks for 18ct gold, length 3.7cm including suspension, manual winding movement, chain length 58cm