An all blue resin watch designed for water sport fanatics, the Casio WS1300H-2A Blue Tide Moon Digital Watch is ocean ready and packed with features. The all resin exterior of the watch maikes it submergible in water with a 100-metre water resistance and a 10 year battery life. The digital time display is a prominent feature with the addition of a tide-graph reading monitor, moon data and LED light that delivers illumination in the dark. In true Casio style, the WS1300H-2A Blue Tide Moon Digital Watch also features a stop watch, timer and alarm.