7 Best Solar Powered Smartwatches (For Long Battery Life)
As the most abundant and renewable energy resource in the existing world, solar energy has greatly revolutionized the space for tech products.
Solar-powered smartwatches come with rechargeable batteries that use light energy stored in a solar cell under the dial. The technology converts it into electronic energy to function the smartwatches with other advanced health features, GPS trackers, fitness monitors, timers, stopwatches, etc.
With a special battery, such smartwatches can last up to a year without the need for recharging, which is the biggest advantage of having a solar-powered smartwatch.
In this article, I’ll review the 7 best solar-powered smartwatches (for long battery life) and provide some points necessary to keep in mind before choosing a solar-powered smartwatch.
So what are you waiting for? Let’s start with the one I like the most.
My #1 Choice ❤
After giving these 7 best solar-powered smartwatches a detailed review, I found Casio Men’s G Shock Solar Watch the most premium choice.
- Tough solar powered, shock resistant, 200-meter water resistance, neobrite, double led light, world time, stopwatch, countdown timer, 5 daily alarms
- Hourly time signal, hand shift feature, battery level indicator, power saving, full auto-calendar (to year 2099), 12/24-hour format, button operation tone on/off
- Quartz Movement
- Case Diameter: 59.1mm
Last update on 2023-03-25 / Affiliate links / Images from Amazon Product Advertising API
In the case of solar-powered smartwatches, it’s better to look for long battery life with a better display and other supporting features.
It’s my favorite because: It has a long battery life (up to one year). Plus, it has double LED light. one does not even has to press the “light” button!
Buying Guide: To Choose The Best Solar Watch (For Long Battery Life)
Though there are thousands of incredible solar wristwatches available on the market, your goal should be to find one that can last in the long run and doesn’t require changing batteries. Browse through the following buying guide tactics that will help you choose the best solar watch.
Power Reserve
A solar watch should have enough solar charge rating that can last from 6 months to 1 year, but always check the power reserves of the best solar watches available.
Case Size
Case size should range between 40 mm to 46 mm, similar to 46 mm for larger hands and smaller than 40 mm for a tight dress watch.
Water Resistance
The minimum limit of water resistance should be 50 meters and a maximum of 200 meters designed for high-duty usage.
Additional Features
It should be a multitasking digital solar watch to offer health and other features besides time, date, and day.
» Read Also my post: 9 Best Smartwatches That Can Call Without Phone
7 Best Solar Watches For Long Battery
We have listed our top choices of the 7 best solar watches with their fixed price range and the final rating in the table below.
Each option has given with an Amazon link so that you will get the access with a single click.
The products are placed so that the prices increase as we go down from top to bottom.
| Name | Price | Rating |
| Casio Men’s Solar Sport Combination Watch | $38.00 | ⭐⭐⭐⭐⭐ |
| Casio Pathfinder Men’s Tough Solar Watch | $38.00 | ⭐⭐⭐⭐ |
| Casio Men’s Pro Trek | $149.99 | ⭐⭐⭐⭐ |
| Casio Men's G Solar Watch | $210.45 | ⭐⭐⭐⭐⭐ |
| Garmin Instinct Solar | $319.99 | ⭐⭐⭐⭐ |
| Garmin Instinct tactical | $449.99 | ⭐⭐⭐⭐⭐ |
| Garmin Fenix 6 Pro Solar Watch | $379.99 | ⭐⭐⭐⭐⭐ |
Let’s review each product individually.
#1 Casio Men’s G Shock Solar Watch
Price range: $$$
BestSportsLounge Rating: 4.8/ 5
Key Features:
- The case size of 59 mm
- 200 meters of water resistance
- Solar-powered
- Neobrite (Shines in the dark when light hits the dial)
- Double LED light
- 5 daily alarms
Casio Men’s G – hybrid type solar watch is a popular smartwatch having an analog dial on the front and a digital screen at the back of the dial.
To perform underwater activities and surface water sports, It offers water-resistance of up to 200 meters, more than other solar-powered smartwatches.
While designing this smartwatch, Casio – a fairly old but reputable brand of watches, used the spring suspension method in the balance wheel to make it shock resistant.
Furthermore, Casio G-Shock solar-powered smartwatch has several built-in features and on the top of the list is a full auto-calendar (probably to the year 2099).
At the same time, other features include a battery level indicator, stopwatch, countdown timer, quartz movement, and power-saving option.
| Pros | Cons |
| Easy to set | Not good strap quality |
| Attractive design | |
| Neither too large nor too small |
- Tough solar powered, shock resistant, 200-meter water resistance, neobrite, double led light, world time, stopwatch, countdown timer, 5 daily alarms
- Hourly time signal, hand shift feature, battery level indicator, power saving, full auto-calendar (to year 2099), 12/24-hour format, button operation tone on/off
- Quartz Movement
- Case Diameter: 59.1mm
Last update on 2023-03-25 / Affiliate links / Images from Amazon Product Advertising API
#2 Garmin Instinct Tactical
Price range: $$$
BestSportsLounge Rating: 4.4/ 5
Key Features:
- The case size of 45 mm
- 100 meters of water resistance
- Solar-powered
- Built-in Sports apps
- ABC sensors
- Power manager
Garmin Instinct Solar watch is one of the most feature-rich solar watches from the line of smart and digital watches.
Garmin provides a visible display of 45 mm, suitable for the users. To stay at the top of the priority list, it comes with smartphone app support, compass, barometer, GPS tracker, altimeter (tracks altitude changes), and many more.
This simple but fast solar-powered smartwatch runs endlessly for a longer time, even without a wired charger.
This multi-purpose wristwatch opened the door to many features, and the most appreciated one is an adjustable backlight for use at night.
Can everyone buy a Garmin Instinct Solar Watch? Yes, this more practical and less stylish solar-powered smartwatch is an ideal gear for fitness trackers, those concerned with health and active lifestyle, athletes, and those who love to perform underwater activities.
| Pros | Cons |
| Smartphone connectivity | GPS tracker not appropriate |
| Larger display | |
| Handy features |
- Solar charging capabilities allow you to extend battery life beyond traditional charging.Supported Application:GPS. Connectivity technology:GPS. Wireless comm standard:infrared
- Rugged GPS Watch is water-rated to 100 meters and constructed to U.S. military standard 810 for thermal, shock and water resistance
- Built-in 3-axis compass and barometric altimeter plus multiple global navigation satellite systems (GPS, GLONASS and Galileo) track in more challenging environments than GPS alone
- Dedicated tactical features include Jumpmaster mode, waypoint projection, dual-position GPS format and preloaded tactical activity
Last update on 2023-03-25 / Affiliate links / Images from Amazon Product Advertising API
#3 Casio Men’s Pro Trek
Price range: $$$
BestSportsLounge Rating: 4.2/5
Key Features:
- The estimated case size of 54.6 mm
- Water resistance up to 100 meters
- Solar battery
- Low-temperature resistance
- Backlight with afterglow
Casio Men’s Pro Trek – a digital smartwatch belonging to the Pro Trek family designed for adventurers, has a triple sensor with version 3 technology in durable packaging.
Casio PRG-270 being an excellent deal for outdoor activities has LED-backlit that is bright enough and essential for prolonged night activities.
With its extraordinary features, the screen will show handy stuff like world time, a chronograph, sunrise and sunset timing, and can also be set as a countdown timer or alarm.
In addition, ABC and AB sensors work well from the three sensors and monitor slightly large changes in altitude and barometric pressure.
» Read Also my post: 10 Best ECG Smartwatch
This solar-powered timepiece can resist harsh environments up to 100 meters underwater and a maximum -10C temperature without any ease.
| Pros | Cons |
| Best for outdoor activities | Not a compact design solar watch |
| Low weight | |
| Easy to operate | |
| Good visibility |
- Tough Solar Power,100M Water Resistant,Low Temperature Resistant (-10 C / 14 F),Module 3415,Approx. Battery Life: 9 months on full charge (without further exposure to light)
- Accuracy: +/- 15 seconds per month ,Full Auto Calendar (Pre-programmed until the year 2099),5 Daily Alarms (4 one-time and 1 snooze alarm),World Time 31 time zones (48 cities + UTC), city name display, daylight saving on/off
- Full Auto LED (Super Illuminator) Backlight with Afterglow,Countdown Timer Measuring unit: 1 second Countdown range: 24 hours Countdown start time setting range: 1 minute to 24 hours (1-minute increments ans 1-hour increments)
- Barometer Display range: 260 to 1,100 hPa (7.65 to 32.45 inHg) Display unit: 1 hPa (0.05 inHg),Thermometer Display range: -10 to 60 C (14 to 140 F) Display unit: 0.1 C (0.2 F)
Last update on 2023-03-23 / Affiliate links / Images from Amazon Product Advertising API
#4 Garmin Instinct Solar
Price range: $$$
BestSportsLounge Rating: 4.7/5
Key Features:
- Solar charging
- Water resistance of 100 meters
- Global navigation satellite systems
Garmin Instinct solar watch is a well-known smartwatch of Garmin smartwatches and is perfect for activity tracking, health monitoring, multi-sport tracking, and many more in the queue.
This solar-powered smartwatch has built-in photovoltaic cells to convert solar energy into electrical energy and perform all functions ranging from time to GPS tracking.
Moreover, this useful wristwatch acquires solar widgets like the solar intensity that track the smartwatch’s sun exposure in the last 6 hours. It also comes with a global navigation satellite system.
At the time of hitting the dial, sunlight’s intensity can also be accessed with this solar-powered smartwatch as with greater intensity; it will charge more and vice versa.
The three most effective ABC (Altimeter, Barometer, Compass) sensors make it a perfect fit for outdoor activities like hiking, trekking, etc.
Altimeters give information about elevation levels, a barometer helps determine any potentially destructive storms, and a compass is used to drive accurate directions.
Whether you want to monitor your body’s energy levels or track heart rate with other fitness features, this option is going to be the perfect option for you. Not only its solar charging capabilities are great, but also the power manager and battery life stack it on top of its competitors.
| Pros | Cons |
| Suitable for notification sync | It does not support Garmin Pay. |
| Supports sports apps | |
| Keeps us healthy by tracking activity |
- Vastly extended battery life through solar charging.Supported Application:GPS. Connectivity technology:GPS. Wireless comm standard:Bluetooth
- Rugged GPS Watch is water-rated to 100 meters and constructed to U.S. military standard 810 for thermal, shock and water resistance
- Built-in 3-axis compass and barometric altimeter plus multiple global navigation satellite systems (GPS, Glonass and Galileo) track in more challenging environments than GPS alone
- Track your activities for running, biking, swimming, strength and more
Last update on 2023-03-25 / Affiliate links / Images from Amazon Product Advertising API
#5 Garmin Fenix 6 Pro Solar Watch
Price range: $$$
BestSportsLounge Rating: 4.4/5
Key Features:
- Accessible to Garmin Pay
- Music playback support
- Climbpro feature for tracking
- Solar charging
- Sports tracking
Another one is we have come up with the best smartwatch from the league of solar-powered smartwatches, the Garmin Fenix 6.
Garmin Fenix 6 pro-solar watch is the most advanced solar-powered smartwatch with built-in photovoltaic cells automatically starts charging when exposed to sunlight.
Moreover, available solar widgets will help you determine the solar intensity and offer fast charging when placed directly under the sun and negligible charging under the shadow.
This solar-powered wristwatch comes with smart features, and the best one is the Garmin Pay which enables us to make countless payments with a debit card.
Garmin Fenix 6 Pro multi-purpose smartwatch is compatible with navigation satellite systems, including GPS, GLONASS, and Galileo, and helps you get satellite signals in every corner of the Earth.
Adding up, the incident detection feature is available similar to Apple’s Watch Series fall detection feature and tracks any threat or attack and tries to notify via text message.
This compact timepiece can access Spotify, Amazon Music, and even your favorite music playlist as it comes with music support.
Last but least, it has a Plus OX sensor, health tracker, heart rate monitor, sleep tracker, and other monitors useful while performing any physical activity.
| Pros | Cons |
| Lightweight | Expensive |
| Longer battery life | Complicated to use |
| Health tracking technology |
- Get a battery boost from the sunlight, so you can go longer between charges..Special Feature:Backcountry Ski; XC Ski Dynamics; MTB Dynamics; Surf-Ready Features; Animated Workouts; Wrist-Based Heart Rate; Body Battery Energy Monitor; Advanced Sleep Monitoring; Respiration Tracking,Hydration Tracking; Performance Metrics; PacePro Technology; Recovery Time; Daily Workout Suggestions; Power Manager; Solar-Charged Battery; Pulse Ox Sensor; ABC Sensors.Water Resistant: Yes
- How is your body holding up? Wrist-based heart rate1 and Pulse Ox2 will let you know.
- Need running pace guidance that knows the terrain? Check out the PacePro feature.
Last update on 2023-03-25 / Affiliate links / Images from Amazon Product Advertising API
#6 Casio Men’s Solar Sport Combination Watch
Price range: $$
BestSportsLounge Rating: 4.7/5
Key Features:
- Solar power
- 100 meters of water resistance
- LED light with afterglow
- Neobrite
- Multi-lingual
- Storage battery
Casio Men’s Solar Sport Combination Watch – a digital compact smartwatch with four push buttons to perform different activities is the best choice for regular wristwatch users.
The first button lights up the watch, the second one is used to change the watch modes, the third one enables us to make adjustments, and the last one provides a search appearance.
This water-resistant, lightweight smartwatch with a charming design is enough to attract customers’ charges under the sun and store in a battery storage point.
When it comes to value, this timepiece has a confusing chronograph besides the date and time features on the digital display.
With approx 10 months of a single charge, you can have a sigh of relief to run this smartwatch as long as you want.
Considering some health and other features, It is the most affordable choice to choose from the rest of the competitors. Not only this, but this button operation tone on/off feature also is great to help you control the smartwatch features like a pro.
Casio Men Solar Sport is a new solar-powered watch discovery backed with a Casio solar-recharging system to walk into various high-load functions.
Moreover, it also utilizes a self-changing solar power system to offer high-end functionality and comes with an LED backlight taking light from fluorescent lamps.
| Pros | Cons |
| Affordable | Doesn’t come with GPS tracking. |
| Easy to use on a daily basis | |
| Comfortable to wear | |
| Long battery life (10 months) |
- Tough Solar Power, 100M Water Resistant, LED Light with Afterglow, Neo-brite luminous hands and markers.Case Diameter : 46 Millimeters
- World Time, Multi-lingual Day of Week display (English, Portuguese, Spanish, French, German, Italian)
- 5 Daily Alarms, Hourly Time Signal, 1/100 second digital stopwatch, 2 Countdown Timers, Full Auto Calendar, 12/24 Hour Formats
- Button operation tone on/off, Storage Battery: Solar Rechargeable Battery, Battery Power Indicator, Power Saving Function,
Last update on 2023-03-25 / Affiliate links / Images from Amazon Product Advertising API
#7 Casio Pathfinder Men’s Tough Solar Watch
Price range: $$$
BestSportsLounge Rating: 4.6/5
Key Features:
- 100 meters of water resistance
- Hourly time signals
- Two countdown timers
- Solar-powered
- Storage battery
This smartwatch from the Casio pathfinder lineup of smartwatches comes with solar-powered capacity. Without a doubt, it can be a perfect fit for all hikers, trekkers, and those performing other such activities.
A solar cell built-in on the dial helps it charge automatically when we go outside without turning it on. Moreover, it lasts for more than six months, suitable for living in a cloudy environment.
» Read Also my post: The Best Fitness Tracker for Ankles
ABC sensors, including Altimeter, barometer, and compass, are extremely helpful while hunting in mountains or fishing at the lake. If this doesn’t convince you, the watch offers 31 time zones from 48 cities and comes with a countdown timer so you can make the most of the clock features.
Not to mention the auto-calendar and a list of many more features to power all the incredible functions of the smartwatch.
Casio Pro Trek PAG-240 series has inbuilt sunrise and sunset date helpful in returning home without any hustle.
Furthermore, with its 100 meters water-resistance capacity, it is suitable to wear while swimming, diving, and other similar activities with no worries.
Additionally, auto illumination is a plus point of this solar-powered smartwatch, and the display automatically lights up by moving the wrist.
This pathfinder smartwatch is the most reasonable that connects with Bluetooth and has multiple alarm settings to choose from.
| Pros | Cons |
| Battery level indicator available | No smartphone connectivity |
| Multi-purpose | No fitness tracker |
| Attractive display |
- Tough Solar Power, 100M Water Resistant, LED Light with Afterglow, Neo-brite luminous hands and markers.Case Diameter : 46 Millimeters
- World Time, Multi-lingual Day of Week display (English, Portuguese, Spanish, French, German, Italian)
- 5 Daily Alarms, Hourly Time Signal, 1/100 second digital stopwatch, 2 Countdown Timers, Full Auto Calendar, 12/24 Hour Formats
- Button operation tone on/off, Storage Battery: Solar Rechargeable Battery, Battery Power Indicator, Power Saving Function,
Last update on 2023-03-25 / Affiliate links / Images from Amazon Product Advertising API
The Bottom Line
The best part of solar-powered watches is that they not only show time and perform all other features by using solar energy without requiring a recurring charge.
This article is formulated with the seven best solar-powered smartwatches suitable to work in the long run with extended battery life.
When looking for the best 7 solar-powered smartwatches, always consider the pros, cons, and features with a detailed buying guide.
Give this article a thorough reading and share your thoughts with us.
