Look to g shock for the latest innovation in time pieces with this gwn q1000 1a created to withstand the forces of the ocean the functions are designed with the seas constantly adjusting nature in mind this is the first model from the brand with a depth sensor as well as a barometric pressure sensor a temperature sensor a digital compass a tide graph to display high and low tide information using multi band 6 capabilities this piece can select any of 6 time calibration signals from around