If you are looking for a slim, smooth watch with an authentic �70s feel, look no further than the PRX Powermatic 80. Created for those with an eye for design and packed with twenty-first century features in a Tissot case shape from 1978, the PRX is a must-have on every watch fan�s wish list. The self-winding Powermatic 80 movement delivers reliability and precision thanks to the innovative Nivachron hairspring. With 80 hours of power reserve, it�s a modern movement designed to keep pace with busy lifestyles.40MMPowermatic 80 movement with Nivachron Balance spring: 80 hours power reserve, antimagnetic, shocks and temperature resistant.See-through casebackIntegrated quick release braceletScratch-resistant sapphire crystal with antireflective coating