fenix 8 Solar Sapphire Sport Watch
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Warning: California Proposition 65
Fenix 8 Solar Sapphire Sport Watch fuses GPS precision with solar-powered endurance
What Our Gearhead® Experts Are Saying:
"I’ve pushed this watch through 20-mile trail runs, alpine starts, and bikepacking weekends—it never quits. The solar charging adds real longevity, and the multi-band GPS locks on even in dense forest or canyons. It’s a powerhouse tool that’s as smart as it is tough."
From the top of 14ers to 40 meters underwater, the Garmin fenix 8 Solar Sapphire Sport Watch tracks our every pursuit. The bomber build meets U.S. military standards for thermal-, shock-, and water-resistance, meaning max grit, while the dive-rated design, leakproof buttons, and sensor guard ensure pressure, submersion, rain, and sweat don't muddle our performance metrics results. Pulling power from the sun, this watch delivers up to 653 hours of tracking in max battery GPS mode, giving us all the time for activities, while maps, round-trip routing, and SatIQ tech ensure we don't get lost when getting after it.
Details
- Top-performance multisport smartwatch with solar-charging lens
- Burly construction withstands rugged conditions and submersion
- Power Sapphire crystal face harnesses the sun and resists scratches
- Battery lasts up to 48 days in smartwatch mode with solar charging
- Built-in LED flashlight to light the way when your headlamp dies
- Built-in speaker for quick voice commands and phone calls
- Tracks activities, location, performance metrics, heart health, sleep, and more
- SatIQ tech, topo maps, turn-by-turn directions, and more to keep you on track
- Item #GRMF07U
- Housing Material
- [bezel] titanium, [case] fiber-reinforced polymer, [rear cover] metal
- Strap Material
- silicone
- Face Material
- Power Sapphire crystal
- Movement
- digital
- Pedometer
- yes
- Odometer
- yes
- Altimeter
- yes
- Barometer
- yes
- Heart Rate Monitor
- wrist-based
- Submersible
- 10ATM (submersible up to 100m)
- Technical Features
- please see size chart for complete list of technical features
- Wireless
- Bluetooth, ANT+, Wi-Fi
- Operating System
- Garmin Connect
- Date Indicator
- yes
- Weekday Indicator
- yes
- Alarms
- clock, goal alert, heart rate alerts, incident detection alert, inactivity alert, configurable lap alert, storm alert, time/distance alerts, custom
- Backlight
- yes
- Battery Type
- rechargeable
- Battery Life
- [smartwatch mode] up to 30 days (48 days with solar), [battery saver watch mode] up to 48 days (107 days with solar), [GPS only] up to 95hr (149hr with solar), [all satellite systems] up to 68hr (92hr with solar), [all satellite systems + multi-band] up to 52hr (65hr with solar), [all satellite systems + music] up to 18hr, [max battery GPS] up to 168hr (653hr with solar), [expedition GPS] up to 50 days (118 days with solar)
- Low Battery Indicator
- yes
- Includes
- fenix 8 Solar Sapphire Smart Watch, charging/data cable, documentation
- Face Size
- 47mm, 51mm
- Claimed Weight
- [51mm] 95g
- Activity
- running, swimming, cycling, mountain bike, hiking, climbing, training, skiing, snowboarding, snowshoeing, paddling, surfing, fishing, racket sports, motor sports
- Manufacturer Warranty
- limited 1 year
Reviews
Q&A
What do you think about this product?
Overall Rating
4.5 based on 53 ratings
Review Summary
Fits True To Size
Screen reader users: the following list provides a visual scale to illustrate the product fit. Please refer to the heading above for the fit type in text.Customer Images
Here's what customers have to say
The watch offers accurate tracking across a wide range of activities, a large and clear display, and exceptional battery life that can last for weeks with solar charging. It is praised for its robust construction and wealth of health and fitness metrics, though some users find the interface and app to be overly complex. While the battery life is generally excellent, a few note it could still be improved further.
AI-generated from the text of customer reviews.
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Selecting an option will reload the available reviews on the pageOctober 26, 2025
Great all around watch
This watch is pretty awesome! Battery life is amazing lasts up to 3 weeks without a charge with apps running. Maps are flawless. Health apps are on point!
Originally reviewed on Garmin
October 24, 2025
Another great Fenix
Having upgraded from 7, flashlight has been a life changing feature. It's nice to still have the option of an MIP screen and not just AMOLED
Originally reviewed on ExpertVoice.com
October 23, 2025
bought the wrong one
I enjoy the watch so far. it far exceeds my needs. My only complaint is my mistake, as I should have bought the Amoled.
Originally reviewed on Garmin
October 18, 2025
Great watch!!
I bought this about a month ago n haven’t taken it off, this watch has great battery life along with other data. Depth gage works well. I also had the Fenix 7S but i like this much better, it does it all.
Originally reviewed on Garmin
October 11, 2025
Helps me Trac fitness & health at tender age of 71
Excellent ease of use! Lots of actionable data for improvement !
Originally reviewed on Garmin
October 10, 2025
Perfect for Marathon Training
I bought my Fenix 8 to train for the 2026 Miami Marathon. I really love the watch. Feature reach, can track all vitals and all relevant running metrics. I love the feature where it keeps me (while running) in the right pace, alerting when I'm to fast or to slow, a feature that the AW doesn't have. Battery life is incredible, I find myself charging the watch every 2 weeks which is remarkable. I wear my Fenix when I sleep, as it is the most comfortable watch so far that I tested, I wear my Fenix when I exercise and I wear my AW during the day due to the cellular connection and Apple ecosystem.
Originally reviewed on Garmin
October 9, 2025
Awesome tool that has grown on me vs Apple Watch
Coming from the Apple Watch Ultra I wanted a smartwatch that had extended battery life and gps features that didn’t require phone connection and that also had topo graphic view format with water/weather indications. So far I’ve done multiple hikes and scuba adventures these past few weeks and I can say that this watch really shines for the hardcore outdoorsman. I wanted the solar 47mm option so it’s not so bulky on my wrist and it had to have the mini solar panel to extended the battery life a few days which it really did. One key feature that I did not anticipate liking so much was the Garmin connect app. You can find tons of hikes local to your area and also map your own trails which makes getting out there super easy! This could be pretty cool if you are an avid cyclist or runner and want to find/build/track your exact distances for a coordinated route and monitor your progress as simple as looking at your watch. One feature that I really wish was available for the fenix 8 was the ability to use air integration for scuba diving. However I believe that feature is only available on one of the other scuba specific watches made by Garmin. The menu is not as intuitive as the Apple Watch Ultra, however once you spend some time with the watch you will quickly overcome that small learning curve. The Apple Watch Ultra is still a useful tool if you are going on sub 2 day adventures or working in an environment that needs features such as the walkie talkie or picture messaging directly to your watch but I feel much more confident wearing garmins Fenix 8 47mm solar on my wrist for real deal outdoorsman situations. Both watches have a place on my nightstand but the Garmin is a beast that keeps on going with battery life measured in days not hours.
Originally reviewed on Garmin
October 8, 2025
Love it!
I’ve had my Fenix 8 for about a month. I love it, still learning new functions all the time.
Originally reviewed on Garmin
October 5, 2025
Awesome watch
Have had the fenix 8 solar for about 3weeks or so and fell in love with it. I have only had to charge the watch twice which is really nice! Switched from Apple to garmin and won’t go back highly recommend
Originally reviewed on Garmin
October 5, 2025
Great watch
Love this watch but still wish the battery life was better
Originally reviewed on Garmin
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Cancer and Reproductive Harm - P65Warnings.ca.gov
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