WatchCharts index rises 0.4% in August as TAG Heuer Formula 1 gains accelerate
The WatchCharts Overall Market Index rose 0.4% in August 2026, with 18 of 28 tracked major brands gaining. Rolex advanced 0.5%, Patek Philippe 0.3% and Audemars Piguet 0.2%. TAG Heuer’s Formula 1 collection climbed 4.4%, bringing its year-to-date gain to 14.8% after four consecutive annual declines from 2022 through 2025.