Cartier Santos de Cartier Large 18ct Rose Gold Skeleton Dial Strap Watch WHSA0018. 18ct rose gold 47.5mm x 39.7mm case and bezel all on a grey alligator leather strap and comes complete with blue strap. This men's watch features a skeleton dial with rose golden hands. Synthetic sapphire crystal glass and water resistant up to 100m. Power reserve up to 72 hours. Manual-wind movement.