Here's what other sites are saying:
The Alti-XT Negative is the ultimate high-altitude watch with a sleek and durable design. Equipped with an Altimeter, Barometer and Compass, this watch provides ascent and descent values, changing weather conditions and directional headings, while individual mode buttons allow you to quickly access this critical data.
Keep track of your progress on your next adventure with the HighGear Alti-XTss Altimeter Watch. Not only is the Alti-XT incredibly accurate, but it allows you to view graphic displays of your climb, so you can say to the folks at home, 'OK, the numbers probably don't mean much to you--but just LOOK at it!'
The stainless-steel Highgear Alti-XT multifunction watch helps take your performance to new heights, providing accurate, real-time altitude readings and a solid, durable design. Alti-XT features an altimeter, barometer, digital compass, thermometer, chronograph, countdown timer and time functions. Altimeter features a range of -1,640 ft. (500m) to 29,527 ft. (9,000m) with 3 ft. resolution, total ascent and descent and 30 altitude log entries. Barometer forecasts changing trends in the weather; 1-mbar resolution with a range of 900 to 1,100-mbar. Digital compass accurately reports direction with a 360deg range, rotating bezel with 16 cardinal points, adjustable declination and directional heading lock. Thermometer displays temperature with 1deg resolution in Fahrenheit or Celsius with a range of 14degF to 140degF). Chronographic measures splits and features a range of 100 hrs. and 1/100-second resolution; countdown timer has a range of 100 hrs. Watch features time/day/date in a 12- or 24-hour format, world time with Daylight Saving option, sunrise/sunset times and 3 alarms. The Highgear Alti-XT multifunction watch is backlighted for easy viewing in low light and features a mineral glass lens, button lock and low battery indicator. Water resistant to 165 ft. (50m).