Cartier Santos de Cartier Large Automatic 18ct Yellow Gold Bracelet Watch WGSA0029. 18ct yellow gold 39.8 mm case and set bezel all on a 18ct yellow gold bracelet and comes complete with an additional brown 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.