In 1978 the Tissot PRX was born, in 2021 we celebrate it's comeback. The new Tissot PRX, the watch for those with passion for design and an eye for ingenuity. Discover the brand new Tissot PRX now, its evocative and slim design makes it an uncompromising essential for all the design enthusiasts A sapphire crystal gives a watch the following properties: extremely high resistance to impact and superior screen and hand readability thanks to its transparency. Because it is the strongest material after diamonds, it is used in fine timepieces for its anti-scratch prowess. Sapphire crystals can take many forms and give the watch a variety of looks: flat, domed, concave or ground. New watch, comes in a box with all the papers.