Timex Ironman T5J985 Review


  • Dimensions: 2.5 x 1.8 x 0.5 inches (6.35 x 4.57 x1.27 cm)
  • Weight: 2.7 oz (76.54 g)
  • Battery type: Lithium coin battery
  • Calories burned: No
  • File storage: optional data recorder
  • Speed/distance: with GPS module
  • Clock: Yes
  • Lap timer: 100 lap memory recall
  • Stop watch: Yes
  • Daily alarm: Yes
  • Countdown timer: Yes
  • Date: Yes
  • Water-resistance (wrist unit): Resistant up to 50 meters
  • Heart rate display: Yes
  • Target heart rate zones: 5
  • Time in target zone: Yes
  • Average heart rate: Yes
  • High/low target heart rate: Yes (alarm sounds when not in target zone)
  • Heart rate memory/recall: Yes


  • User friendly
  • Multi-sport use
  • Many features


  • Slow satellite locking
  • Distance measurement may not be accurate


The Timex Ironman TJ985 GPS watch is a great tool for both the weekend and professional athletes, where you can be able to use its many different features so that you can the most effective workout possible. Where it can be used for a variety of different sports including: running, cycling and walking.

The unit’s dimensions are 9.5” x 1.8” x 0.5”, it weighs 4.8 ounces, and the battery lasts for up to two years. Plus, you can store up to 100 laps on the watch.

The Ironman TJ985 combines both flexibility and a sleek look, which can be worn during your workouts, and it can be used as an everyday watch. It comes with the Timex GPS 3D unit, has a heart rate monitor and it can be mounted onto your bicycle handlebars.

The TJ985 has the Timex trail runner that can be used by runners to be able to have the most detailed information when they are working out.  The way it works is you can use the exact speed tool to tell you in real time what your current speed is, what is the average speed that you are traveling and the top speed that you achieved during your workout.

The Ironman TJ985 comes with a one of a kind heart rate monitor called the Heart Rate Display in % of max format. This tool helps you be able to see what your maximum heart rate is then set different zones for where you would like to see your heart rate at during the workout. Once you hit the top or bottom of the zone the alarm goes off to let you have the most effective workout possible.

The watch has a two-tier interval system that is interconnected, thus you can set the different intervals that you will be training at and compare the overall effectiveness of both.

The Timex Ironman TJ985 is a very user-friendly watch that all levels of athletes would find very useful. As you examine the different features and weaknesses, the watch performs very well under many different conditions. The GPS may take a minute or two to give you an accurate reading but aside from that the watch had no other problems. If you are looking for a GPS watch that is not too expensive and want to be able to have lot of features you may want to take a close look at the Ironman TJ985.

Leave a Reply

Your email address will not be published. Required fields are marked *