Timex Men's T2N729 Intelligent Quartz Adventure Series Altimeter Black Rubber Strap Watch Indiglo Night-Light IQ altimeter Altimeter Range from -120 to 7600 Meters (-400 to 25,000 Feet) Minimum and maximum altitude recall feature with easy calibration Water resistant to 330 feet (100 M): suitable for snorkeling, as well as swimming, but not diving