Ballon Bleu De Carthttier Watch, 40 Mm, Carthttier 1847 Mc Workshop Refined Automatic Winding Mechanical Movement. 750‰ Rose Gold Case, Fluted Crown Inlaid With A Sapphire, Silver-Plated Guilloche Dial, Sword-Shaped Blue Steel Hands, Synthetic Sapphire Crystal, Interchangeable Brown Crocodile Leather Strap, Interchangeable 750‰ Rose Gold Folding Clasp, Calendar Display Window At 3 O'clock. Thickness: 12.4 Mm. Daily Water Resistance Depth 3 Bar (About 30 Meters).