The tissot prx powermatic 80 automatic watch is a masterful combination of classic allure and modern refinement. Textured mother-of-pearl dial with super-luminovaâ®; date display 35. 0mm polished and brushed stainless steel tonneau-shaped case with see-through case back; scratch-resistant sapphire crystal powermatic 80 automatic swiss movement with power reserve to 80 hours interchangeable quick release brushed stainless steel bracelet; push-button fold-over clasp water-resistant to 100 meters we are an authorized tissot dealer