Cartier Santos de Cartier Medium Automatic 18ct Yellow Gold Bracelet Watch WGSA0030. 18ct yellow gold 35.1mm case and set bezel all on a 18ct yellow gold bracelet and comes complete with an additional grey 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.