40Nine Men's 40NINE01/BLACK1 Extra Large 50mm Analog Display Japanese Quartz Black Watch Round watch with rotating bezel featuring luminous hands, large Arabic numerals, and date window 50 mm plastic case with mineral dial window Japanese quartz movement with analog display Silicone band with buckle closure Water resistant to 50 m (165 ft): In general, suitable for short periods of recreational swimming, but not diving or snorkeling