Cartier Santos de Cartier Large Automatic 18ct Rose Gold Watch WGSA0019. 18ct rose gold 47.5mm x 39.8mm case and set bezel all on a grey alligator leather strap and comes complete with an additional blue leather strap. This watch features a silver sunray dial with blued hands and black hour numerals. Water resistant up to 100m and sapphire crystal glass. Calibre 1847 MC automatic movement.