Sport watch, Digital quartz movement, Positive dark-on-light display, Tide/Sunrise/Sunset data for ten 10 years for one hundred and fifty 150 beaches, Heat timer function, Dual time function, 1/100-second digital chronograph measures lap time, Countdown timer with unique beep signals, repeat and count-up timer, Alarm mode, Electroluminescent Night VisionTM backlight, Digital day-date-and-month display, Digital grey dial with matte black concave ring, Ventilated matte white silicone strap with embossed blue logo and brushed silver-tone stainless steel buckle, Matte blue polycarbonate bezel, Matte white polycarbonate round case with blue concave ring, Hydro PushersTM, Stainless steel screw-in caseback, Mineral crystal, 10 ATM 100 meters/330 feet water resistant