Cartier Ballon Bleu - W6920021 - Very Good - Full Set

The Cartier Ballon Bleu de Cartier Extra-Flat 40mm (reference W6920089) is a refined timepiece that embodies Cartier’s commitment to minimalist elegance. Introduced as part of the extra-flat collection, this model features an 18k rose gold case measuring 40 mm in diameter and just 6.9 mm in thickness, offering a sleek and sophisticated profile. The gray guilloché dial is adorned with classic Roman numerals and sword-shaped hands in a golden finish, staying true to Cartier’s timeless design language. The signature fluted crown is set with a sapphire cabochon, seamlessly integrated into the rounded case. At its heart, the watch is powered by the Cartier Calibre 430 MC manual-winding movement, offering a power reserve of approximately 38 hours. The timepiece is complemented by a gray alligator leather strap, secured by an 18k rose gold ardillon buckle, ensuring both comfort and elegance. Protected by a scratch-resistant sapphire crystal, the Ballon Bleu Extra-Flat is water-resistant up to 30 meters, making it suitable for daily wear. This model exemplifies Cartier’s ability to merge traditional craftsmanship with modern refinement.