Tissot PRX Powermatic 80 Steel and 18K Gold Bezel T931.407.41.031.01In 1978, Tissot created a quartz model distinguished by a slim case, narrow hour markers and a steel bracelet. Its wide horizontal lugs, typical of the time, were perfectly integrated into the flat tonneau shaped case. A few years later, Tissot registered the name PRX. "PR" stands for "precise" and "robust". Its flexibility and suppleness make it a real success in terms of ergonomic design, and provide exceptional comfort. The satin finish on the