Tissot Watch PRX Unisex T1374101109101. In 1978 the Tissot PRX was born, in 2021 we celebrate its 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.