Hit the water and stay in sync with the tides in the Casio G-Shock GX100-1A Bluetooth Tide Watch. It is endorsed by professional surfers the tide watch makes up part of the GX-LIDE sports watch collection providing real-time tide information with updated structural design in iconic G-Shock durability. The GX100 watch syncs with the App for the choice of 3,300 locations around the globe for absolute accuracy. Displayed on a wide face with high-definition LCD, you will see, Tide Graph, Moon Data, high and low tide times and sunrise and sunset times at a glance. The addition of training measurements, the watch records distance, speed, pace, lap and pitch for surfers and water athletes alike. Its updated structure and materials protect the watch from the impact of rocks or reef, whether you surf, dive or swim you can rest assure the Casio G-Shock GX100 Bluetooth Tide Watch has you covered.