Invicta Men's 18780SYB Aviator Stainless Steel Watch With Grey Nylon Band Round silver-tone watch featuring nautical black topring and red sunray dial with luminous hands/markers and three chronograph subdials 50 mm stainless steel case with anti-reflective 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