fenix 8 AMOLED Sapphire Sport Watch
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Warning: California Proposition 65
Why We Like The Garmin fenix 8 AMOLED Sapphire Sport Watch
Whatever plateau we're breaking through, Garmin's fenix 8 AMOLED Sapphire Sport Watch is tracking and driving our every step. The bomber, submersible construction meets the moxie required for rugged terrain and technical pursuits, while the heart rate, ECG, and blood oxygen saturation metrics clue us in to how our body is handling the demands. With 145 hours of juice in max battery GPS mode, this watch outlasts the sun time and time again, while the built-in LED flashlight comes to save the day when our headlamp flickers out. However deep into the backcountry we go, the SatIQ tech keeps our position locked in without draining the battery.
Details
- Advanced multisport GPS smartwatch for unlimited performance
- AMOLED Sapphire face is bright, crisp, and scratch resistant
- Built-in LED flashlight helps light your way when the sun goes down
- Built-in speaker to make and take phone calls from your watch
- Customizable training plans, morning reports, and map navigation
- Training status, suggested workouts, and recovery time keep you on pace
- Topo maps, navigation sensors, multi-band GPS, and directions keep you on track
- Accurate tracking of performance/activity metrics, heart rate, sleep, hydration, and more
- Item #GRMF07S
- Housing Material
- [bezel] stainless steel, [case] fiber-reinforced polymer, [rear cover] metal
- Strap Material
- silicone
- Face Material
- sapphire crystal
- Movement
- digital, AMOLED display
- 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, HR alerts, incident detection, inactivity alert, configurable lap alerts, storm alert, time/distance alerts, custom
- Backlight
- yes
- Battery Type
- rechargeable
- Battery Life
- [smartwatch mode] up to 29 days (13 days always-on), [battery saver watch mode] up to 41 days, [GPS only] up to 84hr (65hr always-on), [all satellite systems] up to 68hr (54hr always-on), [all satellite systems + multi-band] up to 62hr (49hr always-on), [all satellite systems + music] up to 18hr, [max battery GPS] up to 145hr, [expedition GPS] up to 31 days
- Low Battery Indicator
- yes
- Includes
- fenix 8 AMOLED Sapphire Sport Watch, charging/data cable, documentation
- Face Size
- 43mm, 47mm, 51mm
- Claimed Weight
- [51mm] 102g
- Activity
- running, swimming, cycling, mountain bike, hiking, climbing, training, skiing, snowboarding, diving, paddling, surfing, skating, snowshoeing, 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 147 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 smartwatch has a high-quality display and a wide range of features, including GPS, heart rate monitoring, and activity tracking. Many users are satisfied with its performance, battery life, and durability. However, some have reported issues with the auto-brightness, sleep tracking, and connectivity. Overall, it is a feature-rich option well-suited for active individuals, though it may have a steep learning curve and some minor drawbacks.
AI-generated from the text of customer reviews.
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Selecting an option will reload the available reviews on the pageAugust 30, 2025
Has the features I need, long battery life, AMOLED
Bought it for recreational diving. Great activities watch for individual sports, sleep monitoring, LED light, messages come across. Can receive calls, it has a speaker and microphone! Also works well for altitude and O2 Saturation. Not cheap though it combines multiple watches for me!
Originally reviewed on Garmin
August 30, 2025
Phoenix 8 buttons sucjs
The feeling of the buttons sucks compared to Phoenix 6. I thing is tge first thing to break on this waych
Originally reviewed on Garmin
August 30, 2025
Apple to Garmin
I bought this watch 2 weeks ago I am still learning all the functions. It's very impressive overall. I found that my sleep function and body battery readings stay low even after 2 days of rest and what feels like good sleep. love the GPS and exercise functions along with all the other functions. Coming from Apple there is a definite learning curve. I would purchase again.
Originally reviewed on Garmin
August 30, 2025
Watch
It is hard to find programs and then keep them on the screen.
Originally reviewed on Garmin
August 29, 2025
Expensive, but worth it
Best garmin watch I have ever owned. The health, fitness, and sleep features are amazing. Battery life has something to be desired, but overall an excellent product.
Originally reviewed on Garmin
August 28, 2025
Awesome watch
Battery life is insane. Watch looks beautiful. Everything works without wifi or having cellular data. Hands down 1000% better than apple ultra watch.
Originally reviewed on Garmin
August 28, 2025
Great upgrade
Had the fenix 6x pro for many years, finally bit the dust. Got trade in value for it for same cost as replacing it. And upgraded to the 8X Pro. Love the new one with all its features and AMOLED screen. Also a great thing my old watch bands work for it great.
Originally reviewed on Garmin
August 27, 2025
Great Watch!
First venture into smart watches. Tracks my metrics and workouts. Syncs well with Samsung phone and other Garmin devices for complete system integration. Lots of features i don't use but would buy again and def recommend to friends.
Originally reviewed on Garmin
August 27, 2025
Love this watch
Not only does this watch look nice, it does way more than I expected. With completely customizable screens and feature options like widget add-ons, I can pretty much do anything I need.

Originally reviewed on ExpertVoice.com
August 26, 2025
Beyond Expectations!
I can't believe the ease of functionality and all it has to offer. Learning more everyday!
Originally reviewed on Garmin
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Cancer and Reproductive Harm - P65Warnings.ca.gov
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