Timex Men’s Ironman Triathlon Classic 100 44mm Watch Review
Original price was: $97.00.$57.20Current price is: $57.20.
Price: $97.00 - $57.20
(as of Oct 08, 2025 18:23:11 UTC – Details)
Product Description
The Timex Men’s Ironman Triathlon Classic 100 44mm Watch (T5E231) is built for serious athletes and everyday fitness enthusiasts. Designed with a durable resin case and strap, it offers powerful performance timing with a 100-hour chronograph, 100-lap memory, and interval timers. The INDIGLO night-light with FLIX technology ensures easy readability in low-light conditions, while 100-meter water resistance supports swimming and training in all conditions. Its lightweight build, dual time zones, and training log tracking make it an ideal companion for runners, triathletes, and outdoor adventurers seeking precision, durability, and comfort during their workouts and daily routines.
Product Details
- Model: Timex T5E231 Ironman Triathlon Classic 100
- Display: Digital with large numerals
- Chronograph: 100-hour with lap/split timing
- Memory: 100-lap recall & 199 lap counter
- Timers: 9 interval timers (countdown/stop & repeat)
- Backlight: INDIGLO with FLIX wrist-activation
- Water Resistance: 100 meters (suitable for swimming)
- Weight: 1.6 oz
- Battery: 1 Lithium Metal (included)
- Strap: Black resin
- Dimensions: 5.98 x 5.98 x 5.98 inches
Advantages
The Timex Ironman Triathlon Classic combines precision timing and rugged durability. Its intuitive design helps athletes track laps, pace, and performance with ease. The FLIX motion-activated light enhances usability at night, while its lightweight build and adjustable strap ensure long-lasting comfort during extended workouts or events.
Our Recommendation
Ideal for runners, swimmers, and fitness enthusiasts who demand accuracy and simplicity, this watch excels in functionality and endurance. For best results, activate Night Mode + FLIX before nighttime runs, and regularly sync training logs for optimal tracking. Perfect for athletes who want a reliable, no-fuss sports timer.
Conclusion
The Timex Ironman Triathlon Classic 100 remains one of the most trusted digital sports watches on the market. Combining rugged design, precision timing, and signature Timex reliability, it’s perfect for training, races, and everyday wear. Though it lacks modern smart features, its simplicity, endurance, and performance tracking make it a timeless favorite for athletes who value reliability over tech complexity.
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7 reviews for Timex Men’s Ironman Triathlon Classic 100 44mm Watch Review
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Bruno Freitas –
Perfect for Training (Swimming) Purposes…. 5 Star for what it does as a training watch!
This is already my 2nd TIMEX which I use for my swimming practices..This one beats the older model (Timex 51931 Ironman Triathlon) with some interesting changes:1) The larger digits on this model makes it easier to read the numbers (as some mentioned to do so when running) even when I am swimming, with a quick flick of the wrist at the turn, it’s possible to see the minutes and the seconds…. The older model had smaller number, thus not making it possible to do this.2) The navigation on this model became quite easier. It was already easy on the older model but this one included instructions on screen, such as NEXT, DONE, + or – in order to advance with your practices and training… Plus a chance to change the way you want to see the information of the your laps (Laps in the big digits and splits at the smaller one, or the oposite)A Real nice add on by TIMEX.3) A simple but effective wrist band “clip” (the tiny piece of strap that attachs the “extra” wrist band that is left after you put the clock on)It has a piece of rubber on the inside that locks on at the wrist band and does not make it loose or even letting it go as some other watches do sometimes. This is more effective underwater I think, as it remains the way you set your wrist, as the older model I had did not quite held in place all the time.4) Plenty of memory (100 laps is really a nice number), maybe more then most will need but, as a swimmer I use to count splits over 100m (or yards) with many laps during one training… It is quite usefull. I go easily on 10 to 15 laps of the memory in one training.And with the date feature, that reminds when you did these times, it is quite usefull to keep track on the training with a spreadsheet, for instance… (as I do !)5) A really big START/SPLIT buttom that is great to press when I am swimming laps and have to press myself at each turn at the pool.Just perfect. Never a miss !And the feature which was already at most of the models, of the repeat countdown, and the start of a chrono, or a repeat (what I use the most) in order race agains your average rhitym inside a certain time frame that you can set it up ! And of course the flix technology, which is very good to have it… Just flick your wrist (when you set it to ON) and it will show you at night all info that you need.It is another great watch from TIMEX and it deserves a look, specially for the price. It is worth to pay a bit more if you are like me and uses a lot of the memory for the laps on swimming pool. Maybe for runners it can be quite a lot of memory, but the price difference is worth the change, for some of the options mentioned at this review.This is a really good watch to have..Will you definatelly like as we all are at these reviews.:-) It deserves the 5 stars rating !
mc –
clean big face; easy access features; light; effective
If you’re looking for a light, easy to read watch that also has sport/triathlon features like chronometers, split times and lap timers this is a nice update on the classic timex ironman 100lap watch.Additional features: multiple alarms, two time zones, 12/24 hour settings,the memo feature of old seems to have been deleted and an “interval” feature added – can program in up to 9 segments of an interval and then chose whether intervals end after one go, or just repeat the set (woulda been nice to be able to set how many intervals you’d like to go through)I use the dual time zones quite a bit – it just makes moving between my two usual time zones literally a single button press.When using the alarms for travel, i’ve never missed a self-wakeup call – always reliable and sufficiently toneful to wake me up when i don’t want to rely on myself to get up (that time zone change thing).Super go-to functional, multipurpose knife – rather the swiss army knife of watches for me.improvements:the button layout hasn’t changed v.much in years – and that’s a feature.What has changed in the right way is- the face – so easy to read at a glance – nice if moving in particularthe indiglo lighting has improved dramatically for quick checks when it’s dark.The alarm chime, also better – no longer a beep only -it is a sort of chime.The strap feels better – and i can see there are replacements online – though i haven’t had to replace the band on my last timex ironman from when i changed it at least 3-4 years ago – so perhaps they’ve just gotten better.strap has a nice feature to keep the tail of the band close to the strap, too.This is a refresh i’ve been keen to see as i do like this classic layout/feel.The price at amazon also made the decision to refresh the face of this watch a much easier decision(the ironman i have is about 10 years old – it’s fine )hope this helps you if you’re thinking about this watch
Reinhard.Roeder@web.de –
Die Uhr ist gut ablesbar, hat eine zweite Zeitzone, die mit einem Druck abrufbar ist. Außerdem gibt es einen Timer, einen Intervalltimer, der frei programmierbar ist und 5 Alarme. Auf Wunsch piept sie zur Vollen Stunde. Die Nacht-Beleuchtung ist gut! Das Zifferblatt zeigt Uhrzeit mit Sekunde, den Wochentag und das Datum an. Ich trage diese Uhr seit bestimmt 15 Jahren und bestelle sie mir immer wieder neu, wenn ich einmal das Zifferblatt zerkratzt habe. Es ist die perfekte Uhr für alle, die keine Smartwatch möchten aber ein gutes „Zeit-Werkzeug“ brauchen. Im Laufe der Jahre ist sie übrigens preiswerter geworden.😀 Im übrigen ist sie natürlich absolut wasserdicht.Ich kann den Kauf uneingeschränkt empfehlen!!!
Corentin ROLLET –
Seule montre que j’ai trouvé permettant d’afficher deux temps de chronomètre simultanément (temps du tour et temps total depuis lancement). Je m’en sert pour mes examens. Le retrait total des bip ne peut se faire qu’en démontant la montre et en plaçant un morceau de papier sur le dispositif responsable du son, c’est pas évident à faire mais ça se fait.
Roberto –
Ottimo articolo, classico tante funzioni essenziali e semplici, cronometro con 100 memorie, timer e possibilità per programmare ripetute. Buon rapporto qualità/prezzo
Tanel Punga –
Great watch: easy to see the numbers on the display. Simple set-up and robust. I have had this model for the last 18 years and will continue. The only issue can be that afterbattery exchange it may lose waterproof, to avoid that ask only the proffs to exchange the battery!
Jack –
I love it! It’s super easy to use and it works perfectly. It has plenty of features and I love its larger display. It’s also light and comfortable to wear. I’ve been using it for over a week while lifeguarding and teaching swimming lessons and it is completely waterproof. I would definitely recommend this watch for anyone looking for a high quality sport watch at a great price.