If You’Re 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.