WatchCharts’ Overall Market Index rose 2.1% in April 2026, with Rolex gaining 2.5%, Patek Philippe 1.3% and Audemars Piguet 0.9%. Only four of 27 tracked major brands declined. Rolex GMT-Master prices increased 1.8%, largely driven by Pepsi references discontinued in mid-April, while Tudor’s 6.4% rise primarily reflected more expensive Black Bay Chrono dial variants.
Why it matters (interpretation): Gains across 23 of 27 tracked brands suggest secondary-market strength is broadening beyond a few sought-after collections, although Tudor’s result illustrates how variant mix can affect index performance.