Timex Men's T2N738 Intelligent Quartz Adventure Series Tide Temp Compass Bracelet Watch Imported Indiglo Night-Light Tide Tracker Counts Down to High or Low Tide Temperature sensor 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