Named pr for “precise” and “robust,” the tissot pr 100 chronograph is a sporty yet classy men’s timepiece designed to accompany you through every occasion. White dial with blue chrono sub-dials and super-luminovaâ®; date display 40. 0mm polished and satin-finished stainless steel case; sapphire crystal swiss chrono quartz movement interchangeable quick release dual-finish stainless steel bracelet; push-button fold-over clasp water-resistant to 100 meters we are an authorized tissot dealer