Invicta Men's 21787 Pro Diver Analog Display Quartz Silver-Tone Watch Round watch with black dial featuring two-tone hands, luminous indices, three subdials, and black gear-edge bezel 45 mm stainless steel case with synthetic sapphire dial window Quartz movement with analog display Stainless steel band with fold-over clasp and safety closure Water resistant to 100 m (330 ft): In general, suitable for swimming and snorkeling, but not scuba diving