The Chopard Happy Diamonds, reference 278573-6011, features a half gold case and is powered by an automatic winding movement, specifically the 09.01-C. This model was produced in 2018 and showcases a unique design that incorporates moving diamonds. With a case size of 30mm, it offers a balanced presence on the wrist. The watch combines elegance with functionality, making it a noteworthy addition to any collection.