Tissot PRX Powermatic 80 T137.407.21.031.00 Watch With Automatic Mechanism The Tissot PRX Powermatic 80 automatic watches complete the iconic PRX collection. The elegant and streamlined design of the PRX collection watches is inspired by the futuristic sports watch style of the late 1970s. Model Number: T137.407.21.031.00 Dial material: stainless steel with rose gold PVD coatingStrap material: stainless steel Strap color: steel grey Sapphire glass Dial color: light / grey Weight: 138 g Dial thickness: 10.9 mm Dial width: 40.0 mm Water resistance: 100 meters (10 bar)Date display Automatic movement Powermatic 80 (up to 80h power reserve) Warranty 2 years