Introducing the Tissot Seastar 1000 Prowermatic 80 T1204071109101 gents watch. The 43mm has a sapphire crystal gives a watch the following properties: extremely high resistance to impact and superior screen and hand readability thanks to its transparency. The movement is Swiss automatic with Powermatic 80 hours power reserve. An automatic watch is powered by the energy of the person who wears it. Wrist movement enables the mechanism to run. The strap has a folding clasp with safety and diver extension and 300 metres water resistance completes the design.