This Cartier Ballon Bleu de Cartier WGBB0050 exudes sophistication with its 40mm 18K rose gold case and signature fluted crown set with a sapphire cabochon. The dark gray sunray-brushed dial, complemented by rose gold sword-shaped hands, creates a striking contrast, while the automatic Caliber 1847 MC ensures reliable performance. Designed for versatility, this timepiece features an interchangeable gray leather strap and a matching rose gold deployant buckle. A timeless blend of elegance and innovation, it remains an iconic addition to any collection.