Invicta Men's 18777SYB Aviator Stainless Steel Watch With Green Nylon Band Aviation-inspired watch with silver-tone case, black nautical topring, and rose gold-tone dial with chronograph functions 50 mm stainless steel case with anti-reflective sapphire dial window Quartz movement with analog display Nylon band with tonal topstitching and buckle closure Water resistant to 100 m (330 ft): In general, suitable for swimming and snorkeling, but not scuba diving