Here are the guidelines to help you know which types of exposure your Timex ® watch can tolerate: 30 meters: Watch can have an occasional splash of water. 50 meters: Watch can have repeated exposure to moisture and can be used occasionally for swimming or similar activities.

The basic functions and design were the same as its Triathlon cousin, except that the Ironman was water resistant to 100 meters instead of 50, given an updated look with a black, orange and grey color scheme on the watch face, and the 19mm ribbed wrist strap was adorned with the Ironman name and 3 stylized "M" logos.

The Timex Ironman GPS does have a few other features: The battery life is solid. Timex claims it gets 12 hours of battery life, but I've gone multiple days during the week doing short runs without recharging it, and it hasn't run all the way down.

There are three running options to choose from: chronological, interval, and race mode that log your distance, pace, splits, and calories burned. It also vibrates to let you know when you've hit the next mile.