The Chopard Happy SportRound Quartz 36mm 278582-6007 (Ref. 278582-6007), introduced in 2025, is a Gold/Steel-cased luxury mechanical wristwatch. The case measures 36 mm. The dial is Green. Powered by a Quartz movement. It wears on a Alligator skin strap/bracelet. On the secondary market, the Happy SportRound Quartz 36mm 278582-6007 averages $18,255 (range: $17,135–$19,375) across 2 active listings. When buying pre-owned, check condition grade, box and papers (typically a 10–20% premium), service history, and originality of dial and hands. Use the listings and price history on this page to benchmark fair market value.