Model Line: The watch belongs to the "L'Heure du Diamant" collection, known for combining Chopard's watchmaking and gem-setting expertise. Case and Bracelet Material: The watch case and integrated bracelet are made of 18K gold. While specific models vary, this one appears to be yellow or rose gold. Bezel: The octagonal bezel is set with brilliant-cut diamonds, a signature feature of the collection. Dial: The dial is made from iridescent mother-of-pearl. FOR SELL WA