Ballon Bleu de Cartier watch, 42 mm W6920037

18K rose gold case, 18K rose gold fluted crown set with a blue sapphire cabochon, sapphire crystal, chocolate-brown ‘guilloché’ dial, rose gold Roman numerals, sword-shaped steel hands with a rose gold finish, alligator-skin strap, double adjustable deployant 18K rose gold buckle, mechanical movement with automatic winding Cartier caliber 049, date at 3 o’clock, water-resistant to 30 meters / 100 feet.