Tissot PRX Powermatic 80 40mm T137.407.33.021.00 Automatic Men’s WatchThe Tissot PRX Powermatic 80 (Model T137. 407. 33. 021. 00) combines 70s inspired elegance with modern innovation. Its 40 mm yellow gold PVD coated stainless steel case houses a Swiss automatic Powermatic 80 movement with a Nivachron hairspring, offering up to 80 hours of power reserve. Protected by a scratch resistant sapphire crystal, the champagne dial features luminescent hands for easy readability. The yellow gold PVD bracelet is interchangeable