Tissot Watch PRX Automatic Chronograph T1374271109100. Created for those with an eye for design and packed with twenty-first century features in a Tissot case shape from 1978, the PRX Chrono is a must-have on every watch fan’s wish list. This 42mm satin-finished steel watch follows the PRX’s sleek, angular form, adding to the laid-back 1970s sports watch style with a panda dial. The PRX Chrono is powered by the Valjoux A05.H31 calibre, which provides the design with the classic 3, 6 and 9 chronograph dial layout and an extended 60-hour power reserve. Discover this sporty and chic version with its khaki green dial, matching counters and stainless steel bracelet.