The pr516 powermatic watch is a modern classic, blending with tissot's rich heritage. 38mm stainless steel case with yellow gold-tone pvd coating and black mineral bezel white three-hand dial with super-luminova® indexes, plus a date window see-through case back powermatic 80 swiss automatic movement; up to 80 hours of power reserve scratch-resistant sapphire crystal with anti-reflective coating interchangeable quick-release two-tone stainless steel bracelet; push-button deployment clasp 100-meter water resistance