Armitron Sport Men's 40/8374OGN Digital Chronograph Olive Green Resin Strap Round watch featuring screw-accented topring and color-pop orange outer dial 51 mm resin case with acrylic dial window Functions include: chronograph, lap time, alarm, dual time, military time, backlight, and quartz movement with digital display Resin band with buckle closure Water resistant to 100 m (330 ft): In general, suitable for swimming and snorkeling, but not scuba diving