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48 of 48 people found the following review helpful
on April 7, 2013
Once I decided to get a HRM I decided on three main criteria: I wanted a large display so it would be easy to read; I wanted it to have a decent interval-training option; I wanted it to be reasonably reliable.

I couldn't find any good master comparisons of all the current watches, so I decided to start with the large display. I figured it would be easiest to get large numerals on a vertical display, so I did an image search and tracked down all the HRMs with vertical displays. I read reviews and manuals on these, and checked the reviews at various sites. I also did searches for reviews which mentioned interval timing just to try to ensure I hadn't missed something. A different (more recent?) version of this watch, the T5K545, came out on top. The proportion of dissatisfaction in the reviews is at the lowest end of the range for this price bracket, and it had the best interval setup I could find with a large display as well.

I didn't notice the difference and bought this version of the watch (the main difference seems to be in the type of chest strap it comes with). I have had the watch for a month and am very happy with it. The HRM works exactly as described. The watch is easy to read and has good flexibility in terms of setting up what is shown on the display. The interval timer includes 2 programmable workouts, each can be set for up to 8 intervals with beeps at the change, and the workout sequence can be set to repeat if you like. These intervals can be set for specific HR zones, and if the HR alarm is on, the watch will give distinctive beeps for being above or below your target for a given interval. I have found the HR recovery timer to be very useful as well. At some point I will probably program my own HR zones rather than use the watch's built in zones which are set up according to the standard percentage of max HR.

I found the watch easy to set up but I read instructions and don't usually have problems. I can think of people who wouldn't want to mess with it, so factor that in if you're not comfortable playing with gizmos with a lot of options.

When I first got it the tap feature did not seem to be working, but after setting it to the highest sensitivity and learning to touch it with 2 fingers and a quick tap it's working fine--it almost seemed to need to loosen up a bit.

The watch is huge. If you don't care what it looks like it works fine even on very small men's wrists. Due to the fixed angle of the band coming off the case it's not going to look fully at home on even the largest wrists but that's something few will notice on the large wrists.

A note about heart rate zones. Although the idea of training according to zones is very appealing, finding out your real maximum heart rate in order to set those zones is problematic. The common age-based formulas give you an average which may be as much as 20 beats off your actual MHR. Timex has a 'Tools for Success' brochure with an exercise-based process for figuring out your MHR which offers a nicely different approach. Ultimately, unless one wants to use a doctor or try one of the radical strategies found on the web, one has to watch for things like how your workouts affect you, how well you recover, etc., and adjust accordingly.
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23 of 23 people found the following review helpful
on July 31, 2013
This is a solid Timex heart rate monitor (HRM).

PROS...
Lots of functions and very easy to use, especially if you are familiar with Timex watches. The large display makes it very easy to read, even while exercising. Plus, you can adjust what (HR or time) is the large number in the middle. Another review gave it one star because of the size. I like that it is big, easy to read and best of all, it feels like it is built well. Most of the Polar HRMs I have seen, feel like they are made with cheap material that will break/wear out easily. A button on my previous Polar RS300X broke into. I have had excellent luck with other Timex watches and am expecting the same for this one.

CONS...
The TIMEX HRMs use a different transmit frequency than other HRMs. I have used two others (Polar and Omron) and they used the same frequency, so I could interchange the strap/transmitter or watch and it would work. Also, the spin bikes at the gym were set to the same frequency as the Polar HRMs, probably because they are more prevalent. One minor complaint is that the transmitter and the watch take different batteries. Both are common, but it would be nice if they were the same. Finally, do not get this HRM if you want something petite. This is a big HRM, but I like it that way.
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15 of 16 people found the following review helpful
on April 3, 2014
i use the heart rate monitor watch for running, walking and working out about 1hr a day almost everyday and i love it. the other 96% of the time the watch alone works very well for telling time... it save's me from constantly turning on my cell phone to check time.

about the watch
-it has a nice big display that is very easy to see when active
-i like to use the buttons to navigate and check things, so i turned off the "tap" feature... i don't think i would have like that option
-it was quite easy to setup and add in the personal info following the instruction provided
-the chest strap is easy to setup and put on, i would recommend getting the band a bit wet before you put it on and once is on pushing the "heart rate" button syncs the two devices withing seconds.
-the heart rate seems to be quite accurate the few times i checked it... all i wanted was to know roughly where my heart rate was during exercise... and this watch delivers that perfectly
-it has a chrono mode that counts up from 0sec to 99hr99min59sec, and can store 200 sets of data. i use this all the time for my workouts
-it has a timer feature that you can setup to count down from 99hr99min59sec to 0sec; it seems to have a to timers with a bunch of intervals. i don't use this feature.
-it has a workout timer feature as well... don't use this feature either
-it has 3 alarms and they are easy to use and setup
-i have yet to test if this watch is water resistant... but both the chest strap and the watch are definitely sweat resistant!
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11 of 12 people found the following review helpful
on August 29, 2013
This heart rate monitor spends much of it's time telling me my heart rate is somewhere between 30 and 50 BPM. I have tried wetting the electrode surfaces, tightening the strap to the point of causing red marks on my rib cage, and finally an electrode gel, all to no avail. I have been using polar monitors for 20 years and have never had this kind of difficulty. Searching on the web it seems I am not the only one that has experienced this kind of difficulty with the Timex Ironman HRM.
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4 of 4 people found the following review helpful
on February 22, 2014
WOW!!! Great display, easy to use, very soft HR strap. The sensor is a tad bulky (compared to Garmin) but it shows in real time, current HR, Lap and Split.... Everything a girl/guy needs on the fly.... Very happy with this purchase.
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3 of 3 people found the following review helpful
on May 5, 2014
I love the watch. The tap function works great and the display can show heart rate split time and lap time all at once. It is perfect for track workouts. Unfortunately, the chest strap is sharp along its edge and actually left a cut mark on my chest along the bottom edge of the strap. I also have a polar heart rate monitor (FT4) that has a much more comfortable strap. I found that I can snap the timex transmitter onto the polar strap and it works okay. Timex really needs to make that strap softer along its edge.
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2 of 2 people found the following review helpful
on January 5, 2014
This is my second Ironman watch. I really like this watch, just not 100% love it. I'm a male and this watch is huge on my wrist. Also the start/split button is on the right in the middle and when lifting in the gym it press's the split. Not a big issue just need to adjust the wrist band. Heart Rate is accurate. Chest strap is comfortable and no problem with me. Great value. I don't need GPS so this was a great choice.
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2 of 2 people found the following review helpful
on May 10, 2014
Great HRM for the money. I really like the large screen and the ability to move the HRM read-out to the clock spot. This makes it much easier to read while in the treadmill.
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1 of 1 people found the following review helpful
on June 27, 2015
The watch was a gift for my husband. He has worn it for just a few months and the dates and heartbeat are no longer visible. He has only worn it for some runs and biking. VERY DISAPPOINTED in the product and the fact that it has not held up at all. Of course when you try to return it online it is past the date - the disadvantage of not having a brick and mortar retailer to go in to talk to and show the issue. I would not recommend this watch based on our experience.
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1 of 1 people found the following review helpful
on January 18, 2015
I used the product for 2.5 months, and the heart rate monitor already does not work accurately. The face of the watch is too large, and the start/split button is too sensitive; therefore, the button kept being entered when it touches the wrist during running or cycling. The quality of the heart rate monitor is poor, and it costs money to mail back for repair. I would not recommend this watch to anyone who is a serious runner or biker.
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