Timex Men's T49860 Intelligent Quartz Adventure Series Tide Temp Compass Gray Silicone Strap Watch Indiglo Night-Light Tide Tracker Counts Down to High or Low Tide Digital Thermometer with Analog Display Measures Air and Water Temperature Accurate Digitial Compass with Analog Display, Adjustable Declination Angle for Accuracy Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving