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Instinct 2S Solar Watch

4.175438596491228 out of 5 stars
57 Reviews


Size Chart


Why We Like The Garmin Instinct 2S Solar Watch

We unlock every bit of our potential with the Garmin Instinct 2S Solar Watch. We get in-depth data for every run, hike, swim, bike ride, and gym session to track our fitness goals. The solar charging significantly extends the battery life, eliminating the need to stop and charge up on multi-day missions, and we can decide which settings and sensors are currently in use to even further extend our time in the great outdoors. The 40mm face size maintains a slim profile, and the reinforced face and housing are designed to stand up to extreme use in gnarly conditions. When we've wrapped up our workout for the day, the watch continues to provide us with high-quality data about our recovery so we can better take care of our bodies between activities.


  • High-octane sport watch for pushing our limits outdoors
  • Battery lasts up to 51 days in smartwatch mode with solar charging
  • Three hours in direct sunlight helps maximize battery life
  • Reinforced face and body ensure durability in extreme environments
  • Water-rated to 100 meters for use while diving, swimming, or surfing
  • Multi-GNSS support offers GPS tracking from multiple satellites
  • A variety of sensors track heart rate, blood oxygen levels, and more
  • Smartwatch features keep us on top of our day
  • Item #GRMF036
Housing Material
fiber-reinforced polymer
Strap Material
Face Material
Corning Gorilla Glass
yes, GPS, GLONASS, Galileo, TracBack, UltraTrac
Heart Rate Monitor
Technical Features
see size chart
Bluetooth, ANT+
Operating System
Garmin Connect
Dual Times
Date Indicator
Weekday Indicator
alarm clock, high/low HR alert, inactivity alert, custom alerts, goal reached alert
Battery Type
Battery Life
[smartwatch] 21 days, 51 days with solar (3hr/day in 50,000 lux conditions), [battery saver watch mode] 50 days, unlimited with solar (3hr/day in 50,000 lux conditions), [GPS] 22hr, 28hr with solar (when used in 50,000 lux conditions), [max battery GPS] 54hr, 114hr with solar (when used in 50,000 lux conditions), [expedition GPS] 25 days, 105 days with solar (3hr/day in 50,000 lux conditions)
Low Battery Indicator
Instinct 2S Solar, charging / data cable, documentation
Claimed Weight
yes, 10ATM (100m)
Face Size
Manufacturer Warranty
1 year
running, hiking, backpacking, climbing, training, MTB, cycling, skiing, snowboarding, nordic skiing, SUP, rowing, paddling, fishing, hunting, tactical, golfing, yoga, casual

Overall Rating

4 based on 57 ratings

Review Summary

1 Stars - 6 reviews
2 Stars - 2 reviews
3 Stars - 2 reviews
4 Stars - 13 reviews
5 Stars - 34 reviews

What do you think about this product?


Selecting an option will reload the available reviews on the page
5 out of 5 stars

February 14, 2024

Favorite Watch I’ve Owned!

I’m in love with my Instinct. I love the design and the rugged look. The smaller size fits my wrist perfectly. It doesn’t have the fancy touchscreen but I am 100% fine with that. I’d rather have the buttons. It has all the features I want and then some. I wear it all day and night so I can track my sleep. Love the morning report when I wake up. I run and hike a lot and it’s been fabulous for that. Bonus—solar powered! Thank you Garmin!


Originally reviewed on Garmin

5 out of 5 stars

January 27, 2024


I love the watch as it has many features. I have not had a chance to test the bike feature yet, but I am sure it will do its job.


Originally reviewed on Garmin

5 out of 5 stars

January 20, 2024

Excellent watch especially for outdoor activities!

I received this watch about one month ago because I will need a good watch for a long backpacking trip I am taking this year. The watch's solar is excellent and I have only charged it 2 times since I spend a great deal of time outdoors! The battery life lives up to the advertising! The features are wonderful and covers all I need. The Garmin Connect app, sums up my workouts and sleep. There is a bit of a learning curve to understand how the watch works and all that it is able to do...but a little practice makes perfect!

Jodi L-K

Originally reviewed on Garmin

5 out of 5 stars

January 18, 2024

Surprisingly Great!

I was looking to switch out from an aging Apple Watch for like a year now. I finally made the switch over to the instinct 2s solar and am in love with it! I get all of the phone notifications I want without a touchscreen interface! I no longer worry about working on a project and having a touchscreen smacking against wood and breaking (although as a long time Apple Watch user [think generation 1 around the time the 2nd came out] I am very used to protecting my watch which is ANNOYING)…. One of the big reasons I switched is that 3 years ago I ended up getting a full black and white sleeve on my watch arm and had to switch over to my other wrist so my watch wouldn’t lock up on me… I was not convinced I would have any luck whatsoever but read a few reviews scattered across the garmin lineup that mentioned dark ink and the sensors still working…. Personally I actually have tested Apple to garmin HR with my garmin being on my tattoo wrist and Apple on the non offending wrist and Garmins doesn’t seem to actually be all that affected by my ink… it did take me a minute to find a place the sensor will pick up what it needs too but now that I have I am back to wearing my watch on the correct wrist and I’ve actually been LOVING it!!!


Originally reviewed on Garmin

4 out of 5 stars

January 18, 2024

Useful, but take it with a grain of salt

I got this watch for its long battery life, and to use the basic health tracking functions (calories, heart rate, etc.). I am not using it to track any complex training metrics. Very satisfied with battery life, it’s not a watch you need to plug in every couple days. However, the solar charging seems a bit scammy; you might gain “3 days” of charge on a really sunny day but it drops back down much quicker than 3 days. Seems like they exaggerate the number to make you feel like it’s doing something but then sneakily reduce it in the background. I also find heart rate monitoring to be very spotty. A lot of the times when I am working out my heart rate will be elevated after a set but the watch is reading 100-110bpm, and will suddenly shoot up to the actual 150-160 once I sit down and my arm is not moving. This delay is very long sometimes, some times it doesn’t seem to track at all, and other times it appears to do great. Sleep tracking is also spotty, I’ve had it tell me I’m sleeping while I’m driving my car down the highway plenty of times. Overall I’m happy with it. I don’t expect 100% precision on all of these metrics from a wrist watch. It’s great to get a general feel for things, not necessarily high precision.


Originally reviewed on Garmin

5 out of 5 stars

January 18, 2024

Instinct 2S Solar

I have had the Instinct 2S Solar for about a month and I’m super glad with this purchase! I love to run, hike, raft, kayak and I feel like this watch fits perfect for my lifestyle. I love the rugged/sporty look of the watch. Also, I love the size of this watch. It doesn’t look too big or too small on my wrist. 10/10.


Originally reviewed on Garmin

1 out of 5 stars

January 15, 2024

Not good.

I got this watch as a Xmas gift. I had a garmin 245 music. Let me tell you..this instinct 2S Solar is horrible!!!!! So hard to keep a heart rate on it. I think it only works for 2 hrs. I put it back in the box..using my 245 music


Originally reviewed on Garmin

1 out of 5 stars

January 8, 2024

Strap was too small

The strap was too small so I returned the the watch back, then when i wanted to get the bigger one the price went up so I couldn’t get the right watch for me.


Originally reviewed on Garmin

4 out of 5 stars

January 1, 2024

Poor instruction booklet

Too early to review but it’s cumbersome to learn. Thank goodness for UTube. Not sure solar adds anything to the charging from what I can see. Time will tell on the ruggedness.

Low man

Originally reviewed on Garmin

4 out of 5 stars

December 29, 2023

Great all around!

At the beginning it felt weird but because i never had a bulky watch before, once i got used to it i have to say its been great, love everything about it, im a very active person and have to say battery does run out quite quick and the solar does not make a difference, but apart from that great device!


Originally reviewed on Garmin