Cartier Cle de Cartier 31mm 18ct Rose Gold Automatic Leather Strap Watch WJCL0031. 18ct rose gold 31mm case and bezel all on a purple alligator leather strap. This watch has a silvered guilloche dial with blued steel hands and 10 diamond hour markers. date display at the 6 o'clock position. Water resistant up to 30m and sapphire crystal glass. Automatic movement.