In 1978 The Tissot PRX Was Born, Now We Celebrate It's Comeback. The New Tissot PRX, The Watch For Those With Passion For Design And An Eye For Ingenuity, With A Sophisticated Timeless Retro Look. A Tapered And Slim Case And A Solid, Yet Ergonomic Stainless Steel Integrated Bracelet Make The PRX An Iconic Blast From The Past And A Modern Sophisticated Piece, For Today’S People Of All Ages. The New PRX Is Exactly The Same Size As The Original Watch From 1978: 35mm - Making It Even More Desirable.