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Item # SUN0262

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Item # SUN0262

The ultimate device for the mountain-sports enthusiast.

Whatever passions you pursue outdoors, the Suunto Ambit2 Sapphire Heart Rate Monitor will track, record, and display every bit of information you need to take your game to the next level. Full GPS functionality works with the barometer to track and measure every step you take while multi-sport versatility allows you to set the watch to training, running, cycling, or swimming modes. This Ambit2 also includes a heart rate chest strap to graph heart rate in real time and allow you to target specific output zones. Add in the altimeter, compass, chronograph, and sapphire glass lens, and you'll still have barely scratched the surface of what this device can do.

  • Glass-fiber-reinforced composite casing with a sapphire glass lens stands up to tough use
  • Lithium-Ion battery powers the watch for up to 50 hours and can be recharged via USB
  • Full GPS functionality displays current location, logs routes, and allows for route planning and elevation graphing
  • Barometer works with the GPS to pinpoint elevation and reduce battery usage
  • Altimeter tracks and graphs total ascent and descent, vertical speed, GPS altitude, and barometric altitude
  • Weather features include barometric pressure, temperature, storm alarm, and tide information
  • 3D compass allows you to navigate remote wilderness and whiteout conditions
  • Heart rate monitor with included chest strap graphs heart rate in real time, targets heart rate zones, and sets heart rate limits
  • Multisport functionality allows you to set the watch to training, running, cycling, or swimming modes
  • Training functions include GPS-based speed, pace, and distance; calories; countdown timer; and EPOC and VO2 max values
  • Running functions include lap comparisons and running cadence when combined with a foot POD (sold separately)
  • Cycling functions include average and maximum bike power and graph power distribution
  • Swimming functions track pace, distance, stroke rate, and time
  • General watch functions include time, date, alarm, and low-battery alert
  • Adjustable backlight allows you to read the watch after the sun sets
  • Water resistant to 100 meters
  • Watch can be further customized with over 1000 free Suunto Applications

Tech Specs

Housing Material:
glass-fiber reinforced composite, bezel stainless steel
Calorie Counter:
Target Heart Rate Zone:
Route Elevation Profile:
Digital Compass:
Computer Compatible:
yes, 100m
Date Indicator:
Weekday Indicator:
Battery Type:
rechargeable Li-ion battery (480mAh)
Battery Life:
(with 60 second GPS tracking interval) 50 hour, (with 1 second GPS tracking interval) 15 hour, (with ABC functionality) 30 day
Low Battery Indicator:
50 x 17.5 mm
Face Size:
50 mm
3.24 oz
Recommended Use:
climbing, hiking, running, cycling, swimming
Manufacturer Warranty:
2 years

Reviews & Community


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Here's what others have to say...

Unanswered Question

Do the AMbit 2 watches maintain full functionality in the Southern Hemisphere? Any issues to be aware of regarding the compass etc?

Outdoor Gear Lab Editors' Choice

Outdoor Gear Lab tested five of the best altimeter watches on the market in side-by-side tests over a year. These watches feature the key functions that hikers, backpackers, and climbers use the most: altimeter, barometer, digital compass, and standard time-keeping features.

Outdoor Gear Lab Editors' Choice

Bombproof in Business Class

  • Familiarity:I've put it through the wringer
  • Fit:True to size

Use this for training and the customization is far and above any other watch I've previously used (Garmin 405 / Timex World Trainer). Battery life never seems to be an issue. Some workouts I'm on the GPS for 5 + hours and the Ambit handles this with ease.

Bombproof in Business Class

Strava Compatible

Strava, a sports community for athletes all over the world, lets you experience social fitness - connecting and competing with others via mobile and online apps. Strava provides motivation and camaraderie, and helps us prove that we’re out there doing what we love to do.

Connect your Movescount profile to your Strava account to transfer Moves to Strava. Any Move with GPS data can be transferred automatically, or you can choose to transfer Moves individually.


- Join ongoing run and ride challenges to help you reach new goals and get ready for race day.

- Run or ride a segment (specific section of road or trail) and compare your effort against past efforts, as well as other athletes who’ve run or ridden the same segment. See where you rank and start moving up the leader boards.

- Track all your runs, rides and cross-training



In Movescount settings [] click “Connect with Strava” and log into Strava. If you do not have a Strava account, register first.


You can select to sync all of your Moves with GPS track, only rides or only runs with Strava. You also have an option to turn syncing off.

NOTE: Strava will accept only Moves with GPS track, so no indoor training there.


Now you are connected! After the next Movescount sync, your new Moves will be automatically transferred to Strava. To change your Strava connection settings, go to Movescount settings[].

Strava Compatible

Best GPS by far.

  • Familiarity:I've used it several times
  • Fit:True to size

I have tried them all-Timex, garmin, Tom Tom, phone apps and they all are not as accurate nor consistent. This watch has almost everything any athlete(runner, bicyclist, swimmer, or mountaineer) can ask for. It is extremely well built with a high resolution screen as well as buttons that feel reliable and long lasting when you push them. The altimeter is the most accurate of any watch I have very used because it uses GPS as well and it's air pressure sensor.


Pretty cool watch...

  • Gender:Male
  • Familiarity:I've used it several times
  • Fit:True to size

I bought this to replace my first gen Ambit. The Fused-Alti feature and more memory and battery life are what made that decision. The Fused-Alti feature incorporates both barometric and gps data to give a more precise altitude reference, though I've found that measurements can vary a bit depending on the terrain you are on. For example, on a small summit pinnacle like Lone Peak here in UT, which has a 10X10 summit area surrounded by cliffs, the altitude reference is off by a couple hundred feet if the gps fix in the watch wanders off at all. However on a broad, rounded peak, the altitude is usually within 10 feet of accurate. Pretty cool feature really, and I've found that I get the best results if I fire up the fused-alti about 20 minutes before getting to the trail head.

Another feature that is pretty cool on the watch is the auto-pause feature, which a lot of the Garmins have. I've found it works well for faster moving activities like biking and running, though while scrambling slowly up some exposed ridge it can be a nuisance.

The heart rate strap that comes with this... sucks. I found that communication between the strap and the watch would continuously loose sync. I ended up purchasing the Garmin ANT+ strap sold here on Backcountry which fixed that problem. I suggest getting the $600.00 version of this watch and then getting a different strap altogether.

Overall the build quality of this watch is pretty damn tough. That stainless bezel and the mineral lens haven't shown any signs of wear at all over the past couple months I've had it. The casing is the fiber-resin, which looks to be the same housing material of the original Ambit. Overall the watch is pretty decent, sans the issue with the heartrate strap provided by Suunto. This watch is tough enough to take a good beating out doors, but classy enough to be worn formally as well.

Suunto Ambit2 Sapphire

Suunto Ambit2 Sapphire in action.

Suunto Ambit2 Sapphire