Garmin Fenix 6 Pro Solar (Review & Buying Guide) 2021

An everyday smart sports watch that goes anywhere and tracks everything while lasting a week and charging from the sun


The Garmin Fenix 6 Pro Solar adds solar charging lớn one of the most capable multi-sport adventure smartwatches available, with a long-lasting battery và extensive health tracking. Photograph: Samuel Gibbs/The Guardian
The Garmin Fenix 6 Pro Solar adds solar charging lớn one of the most capable multi-sport adventure smartwatches available, with a long-lasting battery và extensive health tracking. Photograph: Samuel Gibbs/The Guardian

Garmin’s latest go-anywhere, do-anything Fenix 6 Pro Solar multi-sport watch recharges from the sun, marking an important step towards the smartwatch you never need to charge.

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The £739.99 Garmin Fenix 6 Pro Solar is one of the US firm’s top-of-the-line devices, capable of lasting weeks on a charge và tracking practically any stat you’d want, plus it’s able to lớn guide you out of forests when you’re lost.

The watch is available with either a 42 or 47mm case, và in various colours and materials, here reviewed in slate grey with red accents and a 47mm case.


The watch’s toàn thân is fibre-reinforced polymer, while the back plate & screen bezel are stainless steel. Photograph: Samuel Gibbs/The GuardianBy every dimension the Fenix 6 Pro Solar means business. At 15.1mm thick và 47mm across your wrist, it dwarfs most other smartwatches. It doesn’t feel enormous when worn, still fitting under shirt cuffs and doesn’t catch on things.

It weighs 62g, which is reasonably light – the smaller Fossil ren 5 weighs closer lớn 100g. With the included 23g silicone strap, the watch feels well balanced on the wrist & doesn’t slide around once done up. It is comfortable khổng lồ wear with plenty of adjustment. The 22mm strap can be swapped out for either a quick-release band made by Garmin or any standard 22mm third-party strap.

The 1.3in non-touchscreen is a colour transflective LCD display that is clearly visible in direct sunlight và has a backlight for seeing it in the dark. The screen is protected by scratch-resistant Gorilla Glass 3 DX và is big & clear enough to lớn see at a glance. It is more animated than Garmin’s similar displays on watches such as the Forerunner 245, but isn’t as slick or as good-looking as the OLED screens on most smartwatches.


Real buttons are far better than a touchscreen mid-activity, but can make navigating the interface for infrequently-used things a bit tedious. Photograph: Samuel Gibbs/The GuardianFive physical buttons take care of controls. Most things are quick và easy to vì chưng using the up, down, select và back buttons. If you think of it operating a bit like an old-school or retro Nokia, then you get a rough idea of how it works.

Scroll up or down from the watch face for a series of customisable widgets. I have smartwatch notifications first, then a series of health stats including heart, stress and sleep, temperature, solar intensity, a series of running performance widgets and so on; there are loads lớn choose from.

Each of the buttons has a press-and-hold shortcut too. I have it phối so holding the down button opens music controls, up for settings & holding the light button takes you khổng lồ a rotating bunch of quick settings, including timers, alarms và Garmin Pay.


There are lots of watch faces lớn choose from, both built in and made by Garmin or third-parties in the Garmin IQ store. Photograph: Samuel Gibbs/The Guardian


Screen: 1.3in transflective MIP (260x260 pixels)

Case size: 47mm

Case thickness: 15.1mm

Band size: standard 22mm quick release

Weight: 62g body toàn thân only (silicone band is 23g)

Storage: 32GB

Water resistance: 100 metres (10ATM)

Sensors: GPS/Glonass/Galileo, compass, accelerometer, thermometer, heart rate, pulse Ox

Connectivity: công nghệ bluetooth 4.2, ANT+, wifi

Connections and battery life


The Garmin Connect phầm mềm on Android và iOS handles syncing, updates and smartphone notifications. Photograph: Samuel Gibbs/The GuardianThe Fenix 6 Pro Solar is much less dependent on your phone than most smartwatches; you don’t even need khổng lồ pair a phone to set it up.

Pairing with the Garmin Connect ứng dụng enables alerts of calls, texts and other notifications, control of music, & activity syncing, all of which worked great with a variety of phones. The watch has wifi for syncing directly to the internet, downloading updates or music too. It can be plugged into a computer to sync and update via Garmin Express, which is a requirement if you want lớn update the built-in maps.

Sans-phone, the watch will continue to track your vitals and activities for weeks with a large amount of internal storage, including fairly comprehensive analysis. You could head off into the wilderness for a week without a phone & still vì everything, including mapping, which can’t be said of most smartwatches.

The Fenix 6 Pro Solar lasts at least quadruple the length of most smartwatches between charges. Used just as a smartwatch with phone notifications và all the health tracking features activated it, the watch lasts nine full days and nights between charges. If you cut down on some of the health tracking, such as the pulse oximeter, wrist heart rate or other bits you can extend battery life by days (up lớn 14 according lớn Garmin). A power manager allows you lớn select from various pre-sets or make your own with certain features turned on or off.

A series of widgets give you quick access to lớn information, such as pending notifications and health stats. Photograph: Samuel Gibbs/The GuardianRunning with music is the biggest battery drain. A 25-minute run with all the tracking options (GPS, heart rate, etc) while playing music via bluetooth không dây headphones consumes 4-5% of the battery. That’s still over nine hours total of running with music, which is enough for most people lớn complete a marathon. Three runs a week reduced the smartwatch battery life to closer to lớn seven days, which is still multiple days longer than most competitors.

However, that’s all without employing the watch’s hidden talent – the power Glass covering the screen doubles as a solar charger. It works all the time, even indoors, but requires bright sunlight khổng lồ meaningfully top up the battery. On a week where I spent two hours walking (with tracking and maps) and three 25-minute runs on bright British summer days I got an extra day’s battery from general smartwatch usage.

The beauty is that, other than the added cost khổng lồ the watch which is a not-inconsiderable £140 over the version without the solar charging, there’s no downside lớn the nguồn Glass as it’s fully transparent khổng lồ the eye. You just see the screen and a slim strip that looks like bezel.


The Fenix 6 Pro Solar is generally repairable, but Garmin typically replaces damaged devices with refurbished units for a fee. The battery is rated lớn last a few years of frequent charge cycles while maintaining at least 80% capacity, but is not user replaceable. The screen is covered in Corning’s scratch-resistant Gorilla Glass 3 DX, similar lớn a smartphone.

Garmin offers trade-in schemes for some lines & complies with WEEE and other local electronics recycling law.

General Health tracking

The sleep widget gives you a good, quick overview of last night’s sleep, with more detail available on Garmin Connect. Photograph: Samuel Gibbs/The GuardianThe Fenix 6 Pro Solar has comprehensive health tracking features. An excellent optical heart rate monitor on the back works continuously through the day, alerting you khổng lồ abnormally high or low beats per minute và recording your resting and active heart rates. It measures Pulse Ox (oxygenation of the blood) both during the day và while asleep, respiration rate, stress, body toàn thân temperature, fall or incident detection and many more. The only thing it doesn’t have is ECG for tracking heart arrhythmia.

Garmin’s toàn thân battery system helps you make sense of it all, combining stress, sleep, heart rate variability và other data into a simple in-out system. You charge up your toàn thân with good sleep và deplete it with stress, activity and daily life. If you’re about balanced you’re doing a good job, but it’s easy to lớn spot when you’re struggling or not doing enough exercise.

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Sleep tracking is extensive, including light, deep & REM sleep stages, respiration và Pulse Ox tracking, which together can show signs of issues such as sleep apnoea. The data is presented in easy-to-read graphs on the phone or a widget on the watch.

Then there’s your standard step, calories, floors and so on, including move reminders.

Sport, training và adventuring

The Fenix 6 Pro Solar was very fast at getting a GPS lock và maintained that lock even while running in urban areas. Photograph: Samuel Gibbs/The GuardianComprehensive sport tracking covers a list of over 30 activities, but the main ones are running in its various indoor and outdoor forms, cycling, swimming, walking, hiking, skiing, golf and gym sessions of various activities with on-screen animations showing you how to do them.

The watch will handle triathlons, but as a runner I focused on hitting the pavement. The Fenix 6 Pro Solar’s outdoor running tracking was first class. It got a GPS lock within seconds, monitored every stat I could want, had a clearly readable display with only the info I wanted on it, gave me pace & lap alerts, performance analysis after 1.5km & handled intervals & more advanced training plans with aplomb. The watch is noticeably larger and heavier on your wrist than something lượt thích the Forerunner 245, requiring me khổng lồ tighten the strap to lớn stop it sliding around.

At the over of each run it gives you an aerobic & anaerobic training score, plus an analysis of your training load over the last seven days. The recovery, Vo2 Max và race predictor functions were more accurate than other Garmin watches I have tested too. PacePro allows you to bản đồ out a race course & get pace suggestions in real time on the watch adjusted for elevation and other factors lớn help you hit your desired time, once races are xuất hiện again.

If you, like me, have no real sense of direction, having a compass và full offline street and topographical maps on your wrist is invaluable. Photograph: Samuel Gibbs/The GuardianWalking maps were very useful too, providing maps with trails & other features that weren’t visible on Google Maps, making it more effective than a phone. Moving the maps around can be a bit tedious with buttons, but is straightforward with practice.

The altimeter, barometer and compass, plus maps of the whole of Europe mean you can go hiking just about anywhere. If you need maps for other regions you can buy them và upload them through Garmin Express.


Having Spotify, Deezer or Amazon Music tracks downloaded offline for playback straight to lớn a mix of bluetooth không dây earbuds is a killer feature for those that don’t want to lớn carry a phone. Photograph: Samuel Gibbs/The GuardianThe Fenix 6 Pro Solar can run third-party apps downloaded from the Connect IQ store. There are plenty of small utilities & widgets, apps such as Uber and Strava, music services including Spotify, Deezer & Amazon Music, & buckets of watch faces.

The Spotify ứng dụng works well. It can download up khổng lồ 2,000 songs for offline playback via wifi or control music on your smartphone. Not many smartwatches have offline Spotify playback, so having it for runs is a big plus for subscribers.

Garmin Pay is also available for contactless payment on the go. It is not supported by many banks in the UK, but does support Curve, which allows you lớn bind most credit or debit cards to it. Payments are secured by pin và could be a lifesaver for use on public transport or buying a drink when running without a phone or credit card.


Most of the silicone strap has held up well, but the band loops showed signs of wear within three weeks. Photograph: Samuel Gibbs/The Guardian The watch can vibrate and has basic beeps and tones, which work well for the various alarms, timers & activities.


The Garmin Fenix 6 Pro Solar has an RRP of £739.99 & comes in either 42 or 47mm sizes.

The watch is also available without solar charging as the Fenix 6 Pro costing £599.99, with solar charging but without music, maps and wifi, as the Fenix 6 Solar costing £649.99 or in a larger 51mm version called the Fenix 6X Pro Solar costing £849.99.

For comparison, the Garmin Forerunner 245 Music costs £299.99, the Forerunner 945 costs £519.99, Suunto 9 Baro costs £539, the Coros Vertix costs $599 (£460), the Polar Vantage V Titan costs £519, the Samsung Galaxy Watch Active 2 costs £269 và the hãng apple Watch Series 5 costs £399.


The Garmin Fenix 6 Pro Solar is the do-anything, go-anywhere watch for those that need a smartwatch while stuck to a desk during the day, but then dump everything và go climb a mountain, bởi vì a triathlon or simply trek into the middle of nowhere at the weekends. Or aspire to vì chưng those things.

It is very much the kitchen-sink of multi-sport watches, which means most of it is total overkill if you’re just a runner, just a cyclist, just a swimmer or just looking for a long-lasting smartwatch. But if you bởi vì more than one thing, or lượt thích the idea of being able khổng lồ jump out of an aeroplane in the middle of Europe and still find your way home, this is the watch for you.

It is really easy lớn live with & looks the part. A rugged, yet stylish sports watch that states to lớn the outside world: “I vì more than just the day job”. Those with smaller wrists will struggle with the 47mm version, but the 42mm version is smaller than many smartwatches.

Garmin’s power nguồn Glass offers a glimpse of the solar-powered future. It’s not quite the holy grail of a smartwatch you never have to lớn charge, but made a small but material difference to lớn the battery life. Having to charge it less than once a week is still a killer feature for everything this watch can track và do. It is worth noting you’re paying an extra £140 for the solar-charging technology versus the same watch without it, which is a fair sum.

It is certainly not cheap, & definitely overkill for most. But if you want the ultimate outdoor adventure smartwatch, the Garmin Fenix 6 Pro Solar is it.

Pros: tracks everything under the sun, long battery life, solar charging, phone notifications, Garmin Pay, full offline mapping, offline Spotify, Bluetooth, wifi, 100m water resistance, real buttons, accurate GPS

Cons: expensive, big, limited Garmin Pay ngân hàng support, limited smartwatch features compared to táo apple Watch/Wear OS/Galaxy Watch, no touchscreen, screen fairly basic compared to lớn the best smartwatches

The quick settings panel is great, with a lot of customisable buttons for anything from Garmin Pay lớn timers, a torch or a feature lớn find your phone if you’ve misplaced it. Photograph: Samuel Gibbs/The Guardian

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