About the Collection The Happy Sport collection is the emblem of Chopard's creativity and boldness. Its playful, free-spinning gems, dancing between two sapphire crystals, have captured the imagination since 1993, when Chopard became the first Maison to combine steel and diamonds. Little Diamonds Do Great Things. Happy Sport watch from Chopard. 36mm round case (approx. 0.47"H). 18-karat rose gold and stainless steel. Black alligator leather strap with buckle. Guilloche dial with seven moving diamonds. Rose golden batons and Roman numerals. Square date window at 4:30 index. Automatic three-hand movement. Scratch-resistant sapphire crystal. 0.35 total diamond carat weight. Water resistant to 3 ATM. See-through case back. Care Instructions: Wash with a non-chemical liquid soap. Rinse piece under water, avoiding any stones. Made in Switzerland. Chopard Style # 278559-6001