Garmin fenix 7X Sapphire Solar

GPS Watches + Heart Rate Monitors
Star Rating is 5 / 5
1 Verified Reviews
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It doesn’t get any more high-tech than Garmin’s fenix 7X Sapphire Solar. This GPS watch has the most cutting-edge features to help you train smarter and run longer.

Garmin capped the fenix 7X Sapphire Solar with a Power Sapphire lens™, which can convert sunlight into battery power while also being incredibly durable—the sapphire lens is extremely resilient, which makes it much more difficult to scratch than glass. Since the 7X has a 1.4” display screen, the largest of the fenix 7 series, it also has a large solar lens to produce more battery power than the fenix 7 Sapphire Solar or fenix 7s Sapphire Solar.

The updated and ultratough design is tested to U.S. military standards for thermal, shock and water resistance. The newest fenix 7 watches feature the trusted button controls that work in any environment and a responsive touchscreen interface so you can quickly access your selections.

With preloaded topographical maps and navigation sensors, getting lost is a thing of the past. You can access multiple global navigation satellite systems (GPS, GLONASS and Galileo) so you have the most accurate readings and can track in more challenging environments than GPS alone.

The fenix 7X Sapphire Solar also has an LED flashlight, which contains both white and red lights that can be used as a flashlight to find things or for visibility (in case you unintentionally workout later than expected). There’s also a run cadence mode that flashes white as your arm moves forward and red as it goes backward (helpful to pacers during nighttime portions of ultramarathons). Plus, there is a S.O.S. mode that will flash the actual S.O.S. signal and also display emergency contact information on the watch face.

The fenix 7X Sapphire Solar also tracks advanced training metrics during your runs, including pace, distance, heat and altitude adjusted VO2 Max, heart rate, trail running adjustment, recovery advisor, real-time stamina data and more.

There are some great features on all of the fenix 7 watches to help you race better too. A visual race predictor gives you an estimate of what your pace could be for the distance you want to run based on your past performances. Garmin also developed PacePro™, which keeps you on pace during your race with grade-adjusted guidance. Plus, the “Up Ahead” feature shows you selected information for what’s coming, including aid stations, upcoming distance/elevation, and key trail points.

The fenix 7X Sapphire Solar has all of the great features you know and love from Garmin. Smart notifications appear on your watch face, so you will always get text messages or alerts and 32GB of storage (up to 2,000 songs) means you can listen to your music without bringing your phone. Plus, the device includes WiFi connectivity and Garmin Pay, so if your run isn’t going well you can pay for an ice cream break with your watch.

Not sure which Garmin is right for you? Check out our guide to choosing the best Garmin watch for you.

Want a smaller watch? Look at the fenix 7 Sapphire Solar or fenix 7s Sapphire Solar

Tech Specs

Garmin fenix 7X Sapphire Solar


51 x 14.9 mm


89 g

Battery Life

  • Smartwatch: Up to 28 days/37 days with solar
  • Battery Saver Watch Mode: Up to 90 days/1+ year with solar
  • GPS Only: Up to 89 hours/122 hours with solar
  • All Satellite Systems: Up to 63 hours/77 hours with solar
  • All Satellite Systems and Multi-band: Up to 36 hours/41 hours with solar
  • All Satellite Systems and Music: Up to 16 hours
  • Max Battery GPS: Up to 213 hours/578 hours with solar
  • Expedition GPS: Up to 62 days/ 139 days with solar

Water Rating

10 ATM; waterproof

Heart Rate Monitor

Yes; wrist-based monitor


Power Sapphire™

Smartphone Compatibility

Yes (iPhone, Android); Smart notifications

Band Size

26mm with quick release straps

Heath and Wellness Features

  • Monitor respiration, Pulse Ox, stress, advanced sleep (with sleep stages), hydration logging and 24/7 heart rate (with user-configurable alerts for high or low readings).
  • Wrist-based heart rate monitor that will give you alerts for abnormally high or low heart rates.
  • Monitor activity throughout the day with step counting, calories burned, intensity minutes and more.
  • Body Battery energy monitoring shows the body’s current energy level, which can help with scheduling workouts, big events and understanding when it is time to slow down.
  • Women’s health features, including menstrual cycle tracking and pregnancy tracking, support women during each stage of their reproductive cycle with the ability to log symptoms alongside their other health and wellness data in the Garmin Connect app.
  • Breathwork activities guide the user through a relaxing series of breaths and holds for focus and stress relief.

Sport App Activities

  • Includes built-in indoor sports apps for yoga, strength, Pilates, cardio, treadmill, cycling, pool swimming, elliptical training, stair stepping, treadmill, indoor track and breathwork.
  • Includes built-in outdoor sports apps for hiking, indoor climbing, bouldering, climbing, mountain biking, skiing, snowboarding, XC skiing, stand up paddleboarding, rowing, kayaking, surfing, hunting, Jumpmaster, tactical, kiteboard, windsurf, snowshoe, running, track running, treadmill running, indoor track running, trail running, virtual running, ultra running, biking, indoor biking, mountain biking, triathlon, pool swimming, open water swimming.
  • Golf features include being preloaded with 42,000 golf courses worldwide.
  • Preloaded TopoActive maps from around the world to keep your explorations on track. Use built-in Wi-Fi® connectivity to easily load and update maps and software without using a computer.
  • SKIVIEW™ MAPS. Preloaded ski maps let you view run names and difficulty ratings for more than 2,000 ski resorts worldwide.

What’s New

There are many updates to the fenix 7X Sapphire Solar. Physically, Garmin made all the fenix 7 watches thinner than the previous version and added button guards to all of the buttons, so you are less likely to accidentally press a button. Software updates include:

  • Worldwide preloaded topographical maps.
  • Music capabilities, WiFi and Garmin Pay Support
  • Touchscreen display as well as buttons
  • GPS Only mode to increase battery life
  • Garmin ELEVATE GEN 4 optical HR sensor with a glass-cover to increase durability
  • New “Map Manager” feature to manage/download maps on watch
  • New “Up Ahead” features for distances to markers such as aid stations or climbs that were predetermined
  • RealTime Stamina feature
  • Race Predictor
  • Garmin Connect IQ store on watch
  • Pre-loaded Skiing and Golf Maps
  • Added Kiteboard and Windsurf Sports Type (and SpeedPro function for Windsurfing)
  • Improved the solar capability
  • Multiband GPS
  • LED Flashlight

Popular GPS Watches + Heart Rate Monitors


Star Rating is 5 / 5
Based on 1 Verified Reviews