Invicta Men's 19409SYB Aviator Stainless Steel Watch with Nylon Strap Aviator-inspired watch with stainless steel case featuring black dial with white hour markers, chronograph functions, and date window at three o'clock 50 mm stainless steel case with synthetic-sapphire dial window Quartz movement with analog display Nylon band with buckle closure Water resistant to 100 m (330 ft): In general, suitable for swimming and snorkeling, but not scuba diving