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Our Review of the Suunto t3, t3c and t3d
t3c Series On Sale for $109.99-$149.99! Regularly priced at $129.99 - $169.99. Save $25 (up to 15%)
Suunto t3c Black Arrow: Suunto celebrates serving as the official timing and data partner of the International Triathlon Union (ITU) with the limited edition Suunto t3c Black Arrow. The Black Arrow combines the same leading edge technology you expect in the Suunto t3c with an urban design at home in the gym and the city.
Key differences between the Suunto t3 series watches:
- Suunto t3: Includes the Standard Heart Rate Belt and automatically deletes logs once the watch reaches its 15-log memory capacity.
- Suunto t3c: Includes the Comfort Heart Rate Belt that provides interface free heart rate monitoring, and allows you to select which workout logs to delete when the watch reaches its 15-log memory capacity.
- Suunto t3d: Includes the Dual Heart Rate Belt that provides interface free heart rate monitoring and coded analog for data transmission with cardio gym equipment.
At one point a fitness enthusiast who wanted to monitor and track their heart rate, caloric burn, and other exercise data would need a tangle of electrodes, complex equipment, and extensive personal guidance from a certified fitness trainer. Today, all you need is a Suunto t3 series watch, a PC, and one or more accessories to create an optimal training range that outlines your ideal energy expenditure and muscle exertion while preventing you from overworking and damaging your muscles.
For women, the Suunto t3c and t3d offer select styles designed by women for women. These styles feature softer, narrower wrist straps for improved fit and comfort along with enhanced graphics and colors. You get a more feminine feel without compromising performance.
Turn your Suunto t3 series watch into a GPS Watch with a Suunto GPS POD. The GPS POD tracks speed and distance across a wide variety of outdoor activities, including hiking and cycling.
Standout Features:
- The women's t3 series watches feature attractive graphics, unique detailing, and a softer, slimmer strap for an improved fit.
- Training Effect monitors your aerobic conditioning level.
- Save all 15 of your memory logs, or just selected ones – Measures real time calories burned.
- Tracks speed and distance when paired with a Suunto POD (Peripheral Observation Device).

What Does the t3c and the t3d do?
Training Effect: Suunto's exclusive Training Effect feature tells you whether you're training too little, too hard or staying within the zones for optimal performance. Training Effect uses a simple 1-to-5 scale to display how intense your workout is based on your current fitness level. And with alarms, you'll know as soon as you move up or down in intensity level.
Interference Free Heart Rate Monitoring: Both the Comfort Heart Rate Belt and the Dual Heart Rate Belt provide interference free HR monitoring anywhere and everywhere, remedying problems associated with previous HR monitors that were affected by power lines outside or electronic equipment inside the gym, making the t3c and the t3d valuable investments for those who love to train outdoors as well as indoors.
The Dual Heart Rate Belt also features Coded Analog to allow data transmission with most popular cardio gym equipment.
15 Log Memory: Record a personal training log of statistical data that reflects the progression of your aerobic health and performance capacity. And choose whether to save all of your logs or just select ones.
Activity Class: The Activity Class rates your current activity levels so that your Suunto watch knows your baseline activity level.
Track Data on Your PC (with the PC POD): Using the PC POD, keep detailed records of your workouts, heart rate, training effect, and calories burned. The PC POD comes with the Suunto Training Manager Lite software.
Track Speed and Distance (with a Suunto POD): With a POD for runners, bicyclers and adventurers, your Suunto t3 watches track speed and distance during workouts. Want to purchase your t3c or t3d with a POD? Choose a compatible training pack, including the Suunto Cycling Pack, Suunto Running Pack, and the GPS enabled Multisport Pack.
Who is the Suunto t3c and t3d best for?
Runners, triathletes, spinners, mountain bikers, and anyone getting into shape benefits from the Suunto t3 series. The Suunto t3c and t3d watches maximize your fitness routine by providing up to the second information on your workouts. And with handy features like a lock button to prevent pressing the wrong button during your workout, they are both easy to use.
With the Dual Heart Rate Belt, the t3d features dual technologies to not only provide ANT interface-free HR monitoring like the t3c's Comfort Heart Rate Belt, but also Coded Analog to allow data transmission with most popular cardio gym equipment.
Comparison: The Suunto t6c and t6d features many of the same features as the t3c and t3d, only it adds an altimeter and features 30 logs of memory. The Suunto t1c offers heart rate monitoring and real calories burned, but forgoes the t3c and td3's training effect, interference free HR monitoring, 15 logs of memory, and PC interface.
Note: If you own a Suunto t3 and updated your heart rate monitor belt to the Comfort Heart Rate Belt, instructions for replacing the comfort belt's battery can be found on page 38 of the t3c instruction manual, available under the "Additional Info" tab.
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| Suunto t-series | t1 | t1c | t3c | t4c | t6c |
|---|---|---|---|---|---|
| *Sold Separately | |||||
| Heart Rate | yes | yes | yes | yes | yes |
| Counts Calories | yes | yes | yes | yes | yes |
| # of Logs | 1 | 1 | 15 | 15 | 30 |
| Training Effect | no | no | yes | yes | yes |
| Inter-ference Free | no | yes | yes | yes | yes |
| Speed & Distance Compatibility | no | no | yes* | yes* | yes* |
| PC Interface | no | no | yes* | yes* | yes |
| Suunto Coach | no | no | no | yes | no |
| Altimeter | no | no | no | no | yes |
| Daily Alarms | 1 | 1 | 1 | 1 | 3 |

Click here to download instruction manual. (Adobe Reader required)
Related Categories:
Suunto Watch Face Specs(cm/mm)
- Thickness
- 1.32
- Visible LCD Area
- 2.57
- Total Display Area
- 3.58
- Casing Diameter
- 4.22
Time
- 12/24 hour clock
- Calendar clock
- 1 daily alarms
- Dual time
Heart Rate
- Memory Capacity: 15 logs
- Real time calories
- Training Effect
- HR limits
- ANT - digital coded heartrate / speed signals
- Coded Analog data transmission (t3d)
- Average HR shown in real time
Chronograph
- Max number of split times in memory: 50
- Timers: interval, warm-up, countdown
- Stopwatch
Power
- Low battery warning
- User replaceable battery
Other Features
- Dot-matrix display
- Menu-based user interface
- Water resistance: 30m/100ft
- Selectable metric/imperial units
- Compatible with PODS
Suunto Watch Face Specs(cm)
- Thickness: 1.32
- Visible LCD Area: 2.57
- Total Display Area: 3.58
- Casing Diameter: 4.22
Suunto t3, t3c and t3d Reviews
Watch looks cheap and is delicate
Love it!! Miss it!! Want it to work again!!
t3c - problems, but the jury's still out
The t3c rocks!
Attractive, but poor quality...
t3c rocks!
Great Watch
Very disappionted, frozen 3 times in 1 month. Lost training logs.
Nice features, poor build quality
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- Performance Packs
- Suunto Vector
- Suunto X-Lander
- Suunto Lumi Pack
- Suunto X10
- Suunto Black Collection
- Suunto Core
- Suunto Observer
- Suunto t1 and t1c
- Suunto t3c and t3d
- Suunto t4c and t4d
- Suunto t6c and t6d
- Suunto G6
- Suunto X6HR
- Suunto X6M
- Suunto X3HR
- Suunto Altimax
- Suunto Regatta
- Suunto S-Lander
- Suunto Yachtsman
- Suunto M3
- Suunto e203
- View More

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