The Cartier Ballon Bleu, reference WE902080, is a 33 mm automatic watch combining elegance and sophistication. Its stainless steel case is enhanced by an 18-carat rose gold bezel set with 50 diamonds (~0.63 carat), while the fluted rose gold crown is adorned with a cabochon-shaped synthetic spinel. The guilloché silver dial, with Roman numerals and blued steel hands, is protected by a sapphire crystal. Mounted on a stainless steel bracelet, this watch is water-resistant to 30 meters.