Suunto M4 Men's Heart Rate Monitor and Fitness Training Watch (Black/Silver)

4.0 out of 5 stars 1 customer review

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  • Versatile men's heart rate monitor watch with built-in exercise program
  • Automatically switches between 3 target zones to help user reach personal targets
  • Provides real-time workout guidance; uploads data to
  • Includes dual comfort HR belt; suggests workouts for next 7 days
  • Water-resistant to 100 feet; 9 user languages; weighs 1.41 ounces

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Product Specifications

Watch Information
Brand, Seller, or Collection Name Suunto
Model Number SS015856000
Part Number SS015856000
Item Shape round
Dial window material type Acrylic
Display Type digital
Clasp Type Buckle
Case material Plastic
Case diameter 43 millimeters
Case Thickness 13 millimeters
Band Material Polyurethane
Band length unisex
Band width 21 millimeters
Band Colour black
Dial colour silver
Bezel material Plastic
Bezel function 24-hour-time-display
Calendar date-and-month
Special features heart-rate-monitor, stop-watch, chronograph
Item weight 64 grams
Movement Quartz
Water resistant depth 30 meters
Warranty type manufacturer-and-seller-combination

Product Details

  • Product Dimensions: 7.6 x 2.5 x 7.6 cm ; 64 g
  • Shipping Weight: 181 g
  • Item model number: SS015856000
  • ASIN: B003UJPV5W
  • Date first available at Aug. 19 2010
  • Average Customer Review: 4.0 out of 5 stars 1 customer review
  • Amazon Bestsellers Rank: #29,981 in Watches (See Top 100 in Watches)
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Product Description

The Suunto M4 Heart Rate Monitor provides personal daily exercise guidance and motivation. Set your fitness goals with the easy-to-use interface and the M5 provides an ideal daily workout schedule to help you achieve them - including telling you when it's time to rest. Choose from improving your fitness, weight management or free training, and the Suunto M4 automatically prescribes an exercise program with ideal intensity and duration for the next 7 days. The Suunto M4 measures heart rate in context of your fitness level and provides motivational feedback and guidance in real time. The included Suunto Dual Comfort Belt is compatible with most gym cardio equipment. Exercise data captured by the M4 can be quickly and wirelessly uploaded to for tracking, analysis and sharing with an optional Suunto Movestick.

Customer Questions & Answers

Customer Reviews

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Top Customer Reviews

Verified Purchase
This was my first heart rate monitor watch and generally, I am pleased with it. I also purchased the Suunto Movestick mini to keep track of my workouts, and it works very nicely with this watch.
If you only plan to keep track of the HRM data using the watch (and potentially, the Movestick), this watch is excellent for this purpose.
I was disappointed that the Ant+ HRM chest strap is not currently compatible with the Wahoo fitness Ant+ key for the iPhone. I had to buy a Timex chest strap ( Timex Digital Transmission Fabric Heart Rate Sensor and Strap ) to use with the Wahoo fitness Key.
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Most Helpful Customer Reviews on (beta) 3.5 out of 5 stars 41 reviews
22 of 23 people found the following review helpful
5.0 out of 5 stars great watch! Oct. 29 2010
By bob - Published on
Verified Purchase
I recently upgraded to this watch from a 4 year old T4. I chose this watch because of its price, and I didn't need to connect multiple Suunto devices (like a GPS pod or a step counter pod). This new M4 is VERY well designed. The button layout and operation is very intuitive. The only thing you need to remember to do is hit the start stop button when beginning a workout.

The heart rate belt has also been redesigned. It is incredibly comfortable! Even when doing sit-ups! The strap material itself is thinner, and they incorporate well-designed metal contacts in the strap.

The exercise programs are good, and the watch tells you what you need to do for a workout every day. You need to check in with the watch fairly often to keep your heart rate within their "targets." Sometimes a 40 minute workout can drag on an additional 10 minutes if you don't keep your heart rate in the zone.

Overall, I am very happy with this purchase.
11 of 11 people found the following review helpful
5.0 out of 5 stars Awesome HRM! Feb. 3 2011
By Tech Enthusiast - Published on
Verified Purchase
Like the other reviewer, I recently upgraded to this watch from a 4 year old T3 and completely agree with his assessment. Instead of repeating, I'll add a few personal observations.

The M4 watch and its strap are both much better constructed and solid compared to the T3 set. While the T3 has the advantage of calculating and tracking Training Effect (TE), I love the simplicity of the M4: clearly delineated 3-button operation vs a more obtuse 5-button arrangement on the T3, large easy-to-read numbers and symbols vs smaller digits and scale around the circumference of the T3, and finally a very simple intuitive menu system. The newly designed strap also seems to hold in place better than the older version which had a tendency to slide down when I'm vertical.

Operationally, this HRM also tries to be encouraging with a notification that you are 50% through your workout, and at the end, "good workout!".

Price-wise, this HRM is hard to beat! Very highly recommended!
23 of 27 people found the following review helpful
2.0 out of 5 stars Overpriced Oct. 6 2011
By Jimmy - Published on
It does have an alarm despite the claims of one of the other reviews but there are many functions missing for a watch of this price. The menu is clunky, no reset button, no audio zone alarm (the only function I am really bothered about). The biggest bugbear I have with this is how invasive the training plans are. For example you can't set your own upper/lower heartrate threshold. As an endurance mountainbike racer my heartrate is relatively low, despite being 30 I cannot get it above 165bpm. Race pace for me over 12 or 24 hours is 125bpm. The watch tells me that I can do 30 Minutes at 138-151bpm, but I want to do more and just because my HR is low doesn't mean I am not working. You can switch back to "Free" Training Mode which means you can workout at whatever heart rate you want, but without a zone alarm you have to look at the damn thing, not good when I'm concentrating on the trail, nor is it any good in the dark - the backlight flashes seemingly flashes in time with your heartbeat. Who the heck thought of that??!!

I'd look elsewhere.
8 of 8 people found the following review helpful
3.0 out of 5 stars Beautiful but lacking Sept. 26 2012
By Nicole - Published on
Verified Purchase
I love the beauty of the Suunto heart rate monitors (this is the second one I've owned), but there are a few factors I wish Suunto would address:

1) Customer Service: It is difficult to speak with anyone that can help you -- I've tried many times with no success to address the different questions and issues I've had -- my calls go over seas (to India??), there are satellite/speaking delays when you try to communicate, and the reps that answer don't have much product knowledge or means to help you address your issues, but usually say someone will get back with you via email. This is not helpful.

2) One of the big let-downs of the m4 features: I am a personal trainer wanting to track my clients' times in each heart rate zone -- although the movescount/moveslink software has these fields available in your online account (fields for the times in each heart rate zone -- see photo above), THIS HEART RATE MONITOR/WATCH DOES NOT HAVE THIS FEATURE. Which, at its price point being higher than the average heart rate monitor, it seems like this would be any easy feature to include. As I understand it, only the Suunto Ambit watch/monitor ($500+) has this feature. (But again, not even something the Suunto reps on the phone could answer.)

3) The moveslink software app set to open on log in or start up on my macbook pro -- is incompatible with Mountain Lion OSX -- it causes my mouse/trackpad to be unresponsive. A Genius at the Apple store was able to fix this problem after disabling the app from the login items, but it cost me a half a day without my computer and this is definitely something Suunto needs to address.

Super frustrating. I want to love Suunto because the watches are beautiful. But I really think they could step it up by a leap and a bound.

What the M4 does keep track of: length/duration of workout, average heart rate, peak heart rate, estimate of calories burned.

It also gives exercise suggestions: i.e. duration, level of intensity (how hard your heart should work), and number of exercise days per week recommendations based on whether you program it for fitness (i.e. to increase your cardiovascular fitness) or weight loss.

Suunto M4 is not compatible with the foot pod. If you are looking to track distance, get the M5 with a foot pod.

I recommend NOT going with the M4 with the blue edge because the display is darker and is not as easy to read as the others.
5 of 5 people found the following review helpful
4.0 out of 5 stars Nice HRM April 28 2012
By Corey Helf - Published on
This is a good, high quality HRM. After a month of use, I'm happy with the accuracy, variety of metrics (HR, time, time in workout, time in HR zones, kcal, etc.), and ease of use. The graphical interface is nice for getting info at a quick glance- progress in the workout, arrows up or down to steer you towards your desired HR range, etc. Some cons include an instruction manual that is incomplete at best, poorly translated at the worst, and a pretty rigid workout program. Setting it up for your own custom workouts is very difficult (read: impossible), so if you want to do anything besides their prescribed workouts, you're going to have to ignore the prompts to slow down/speed up, etc. That said, the built-in workouts are excellent if you're looking for the HRM to act as a personal trainer and guide your runs/workouts entirely. If you already have your own training program however, the system programmed workouts will only get in your way. It is possible to start your workout and just ignore the in-workout prompts, but it does become annoying after awhile. The HRM itself is solidly built, and the chest strap is very comfortable- probably the most comfortable HRM strap I've worn. Overall, a very nice HRM. Aside from the somewhat inflexible training programs, it's probably one of the best mid-range HRMs you're going to find. I would give it 5 stars, but for the preset programs.

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