The Cartier Ballon Bleu de Cartier Automatic 40mm watch (Ref. No. WGBB0039) is a luxurious timepiece that seamlessly blends elegance with functionality. Crafted from polished 18K rose gold, it features a 40mm round case with a silvered guilloché dial, complemented by blued steel sword-shaped hands and black Roman numerals. The date window is positioned at 3 o'clock, and the watch is powered by the Swiss-made calibre 1847 MC automatic movement, offering a 40-hour power reserve. The fluted crown is set with a sapphire cabochon, and the watch is water-resistant up to 30 meters. The interchangeable 18K rose gold bracelet ensures a comfortable fit.