Cartier, Ballon Bleu, model: W6920068 automatic mechanical 18k rose gold 33mm Iconic Ballon Bleu crown: The raised arc-shaped crown at the 3 o 'clock position is embedded with blue spinel, which is the most recognizable design in the entire Ballon Bleu series. The scratch-resistant sapphire crystal is treated with an arc-shaped raised finish. 2. All-rose gold bracelet: Three-section precious metal bracelet, paired with Cartier folding clasp, with a heavy texture. The all-gold style is considered the top configuration among the Ballon Bleu models. 3. Classic Dial: Roman hour markers and blue steel hands are the brand's classic combination. The white dial is versatile for various occasions such as commuting and dinner parties..