11 Best Solar Atomic Watches For Women & Men: Buying Guide 2023

Solar atomic watches are eco-friendly timepieces that are super-precise and barely require much maintenance. They display the time correctly and do not need battery change to operate flawlessly.

These unique watches come in various styles, sizes, and designs for men and women, making them appealing to everyone. Check out the best of watch technology from the options we have listed here and take your pick.

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11 Best Solar Atomic Watches

1. Best Water-Resistant:Garmin Instinct Solar Watch

Instinct smart solar watch from the trusted brand Garmin has three satellite positioning systems- GPS, GLONASS, and Galileo, which can help you effectively track your real-time location. The watch is equipped with health and fitness trackers for cycling, swimming, walking, and other activities. It also has a trackback routing system tonavigate the route back to the starting point. Its pulse oximeter lets you know your body’s oxygen level at high altitude or during sleep.

Besides, you can also view heart rate, stress estimates, physical strength, and fitness percentage. Further, this eco-friendly atomic watch is equipped with a barometer for monitoring weather, an altimeter for obtaining altitude data, and a three-axis electronic compass for getting directions. This video review, showcasing a tester’s experience, will help you know more about the product.

Shape: Heart | Color: Graphite - Solar | Item Weight: 1.92 ounces | Product Dimensions: 1.77 x 1.77 x 0.6 inches


  • Shock-resistant
  • Water-resistant
  • Heat-resistant
  • Long battery life
  • Scratch-resistant
  • Corrosion-resistant
  • Bold colors
  • Broad dial
  • Durable


  • Pulse oximeter reading may be less accurate
  • Some users may find it difficult to operate

2. Best Analog-Digital Display:Casio Men’s Slim Solar Multi-Function Watch

Why We Think It's Worth Buying

The whopping 2,681 positive reviews on Amazon reflect the superior quality of this product.

Casio Men’s Slim Solar has a slim body and an easy-to-read analog-digital display. It comes with a color combination of a black body and orange watermark, a 1/100-second stopwatch, and a timer. The display has an analog and digital system – the calibration of the clock has an analog system, while the day and temperature are displayed on a digital screen.

This solar-powered chronograph is waterproof up to 100m and has a battery life of up to 10 months. It also has five alarm settings, an automatic calendar, and a world time map to view 31 different zones. This review cum testing video can tell you more about this tried-and-trusted watch.

Material: ‎Resin | Color: ‎Black | Item Weight: ‎0.07 Pounds | Item Dimensions LxWxH: ‎2.76 x 4.49 x 4.09 inches


  • Easy operation
  • Lightweight
  • Long battery life
  • LED-backlit display
  • Glows in the dark
  • Comfortable strap


  • Available in only one color variant
  • The alarm volume may be low

protip_icon Quick fact
In general, a fully recharged solar atomic watch can last for three to six months before it’s time for the next recharge round.

3. Best Shock-Resistant:Casio Men’s G-Shock Solar Atomic Sports Watch

Why We Think It's Worth Buying

The tried-and-true product has earned over 1,338 good reviews on Amazon.

Casio G-shock series has one of the best solar watches equipped with a Japanese quartz movement and digital display. It has an atomic time control system from five different zones, four-alarm settings, city code display, countdown timer, fully automatic calendar till the year 2099, power button operation, and 1/100 stopwatch.

The solar power system and quality craftsmanship make the watch last longer than watches of other brands. This solar-powered timepiece has a backlight feature that generally glows despite turning off the power. The solar rechargeable battery has a power-saving feature when exposure to light is less. Have a look at this review cum testing video to know more about this watch.

Band Color: Black | Band Material: Resin | Item Shape: Round| Product Dimensions: 4.33 x 4.33 x 3.07 inches | Weight: 5.04 Ounces


  • Displays backlight
  • Six atomic timekeeping
  • Classic design
  • Shock-resistant
  • Solar rechargeable watch
  • Water-resistant
  • Lightweight
  • Easy to operate
  • Sporty look
  • Durable


  • May consume more power
  • May show errors in clock reading
Best Water-Resistant
Best Analog-Digital Display
Best Shock-Resistant
Garmin Instinct Solar Watch Casio Men's Slim Solar Multi-Function Watch Casio Men's G-Shock Solar Atomic Sports Watch
Shape Heart--
Color Graphite - Solar ‎Black-
Weight 1.92 ounces ‎0.07 Pounds-
Dimensions 1.77 x 1.77 x 0.6 inches- 4.33 x 4.33 x 3.07 inches
Material- ‎Resin-
Dimensions LxWxH- ‎2.76 x 4.49 x 4.09 inches-
Band Color-- Black
Band Material-- Resin
Item Shape-- Round
Weight-- 5.04 Ounces
Buy NowBuy NowBuy Now

4. Best Sporty Design:Casio G-Shock Men’s Tough Solar Black Resin Sports Watch

Casio offers another multifunctional G-Shock solar sports watch with a stylish and eye-catching design. It has a strong and flexible resin strap to help it withstand the test of time. The atomic solar watch provides 31 time zones, five alarms, a stopwatch, a countdown timer, and 12 and 24-hour time formats with a built-in antenna that can automatically receive the official atomic time.

The hollow shock-resistant structure provides cushioning for the critical components of the watch. The three circular sub dials and a rectangular display show time and date information. Its convenient EL backlight makes it easy to view the watch in any light condition. 

Band Color: Black | Band Material: Resin | Item Shape: Round | Batteries: 1 CR2 batteries required | Product Dimensions: 1 x 1 x 1 inches | Weight: 0.35 Ounces


  • Shock resistance
  • 200m Water resistance
  • Long battery life
  • Smart look
  • Durable
  • Easy to operate
  • Comfortable strap
  • Lightweight


  • Small subdials
  • May not fit extra-large wrists

protip_icon Quick tip
If you are a travel enthusiast, opt for a solar atomic watch with a GPS tracker, environmental sensors, and a non-metal-based strap that can be worn for long hours at a stretch.

5. Best Durable:Seiko Men’s SNE325 Dress Solar Black Stainless Steel Watch

Seiko Men’s SNE325 is multifunctional, suitable for various occasions. The watch’s frame and strap are made of durable stainless steel, with a shiny, black finish and button buckles, enhancing the product’s overall appearance. It has a Japanese quartz movement and a complete analog display.

It is water-resistant up to 330 feet, which is suitable for swimming and snorkeling. Powered by solar atomic function, it can display accurate time. It has a battery life of about ten months. You can operate the watch at different temperature levels, from 10° to 60°C.

Band Color: Black | Band Material: Stainless Steel | Item Shape: Round | Batteries: 1 Product Specific batteries required


  • Stainless steel frame
  • Water-resistant
  • Magnified date display
  • Versatile design
  • Gives accurate time
  • Easy to use
  • Long-life batteries
  • Temperature resistant


  • Black dial with black hands may be difficult to read
  • May be slightly heavy

6. Best Scratch-Resistant:Bering Time Men’s Solar Slim Watch

The dial of the Bering Time Men’s Solar Slim watch comes with a scratch-resistant sapphire crystal glass cover. The strap and the case are made up of medical-grade (316L) stainless steel with gray IP plating that is durable.

This sun-powered wristwatch is equipped with environmentally friendly energy technology that can convert light source into electrical energy and store it in a rechargeable secondary battery. The watch has a power reserve and can be used for six to 12 months. It is water-resistant up to 164 feet and can withstand splashing, showering, and short-term swimming.

Band Color: Gray | Band Material: Stainless Steel | Item Shape: Round | Batteries: 1 Product Specific batteries required | Product Dimensions: 0.33 x 0.33 x 0.31 inches | Weight: 2.82 Ounces


  • Scratch-resistant
  • Long battery life
  • Classic design
  • Comfortable to wear
  • Lightweight
  • Value for money
  • Durable
  • Shows accurate time


  • May not be suitable for deep diving or snorkeling
protip_icon Did you know?
Properly charged solar atomic watches work perfectly well, even during the night. Due to their name, it’s a general misconception that they’d need to be constantly exposed to sunlight to function.

7. Best Adjustable:Timex Men’s Expedition Scout Solar-Powered 40mm Watch

Why We Think It's Worth Buying

It's no wonder that this quality product has earned over 807 positive reviews on Amazon.

Timex Men’s Expedition watch is one of the best analog, digital atomic watches on the market. The 20-mm fabric strap is adjustable on any wrist of up to eight inches, thanks to the hooks on both ends. You can charge the clock with any lamp, and the power supply lasts for up to four months after it is fully charged.

The dial is covered with scratch-resistant mineral glass, which is sturdier than the ordinary glass used in watches. Its hands glow in the dark for easy reading. This tried-and-tested watch also has a quick date and time function that is easy to set, and it is waterproof for up to 50m.

Band Color: Brown | Band Material: Leather | Item Shape: Round | Batteries: 1 Lithium Ion batteries required


  • Four months of power reserve
  • Digital date section
  • Features atomic timekeeping technology
  • Adjustable strap
  • Charges by any light
  • Water-resistant
  • Durable
  • Easy to use
  • Scratch resistance
  • Comfortable to wear
  • Smart look
  • Luminous hands and numbers


  • Second hand may be hard to view
  • May not have Indiglo

8. Best Skin-Friendly:Nautical N83 Men’s Cocoa Beach Solar Watch

Nautical N83 Men’s Cocoa Beach Solar Watch Image: Nautica

The sporty watch is equipped with an adjustable silicone strap, fits up to an 8-inch circumference. The silicone band is soft and skin-friendly, and its43mm silver brass case has a navy and red ring with a compass marking on the top. It has an analog display with luminous hands and is water-resistant for up to 50m, suitable only for swimming in shallow waters. This watch boasts quality craftsmanship and offers a two-year warranty.

Band Color: Red | Band Material: Silicone | Item Shape: Round | Batteries: 1 Lithium Ion batteries required | Product Dimensions: 8 x 1.69 x 0.47 inches | Weight: 7.04 Ounces


  • Water-resistant
  • Sporty look
  • Comfortable to wear
  • Accurate time
  • Value for money
  • Durable
  • Cost-effective


  • Quality may not match the price

9. Best Feature-Rich:Casio Protrek Multi-Band Atomic Wristwatch

This atomic wristwatch comes with various unique features, such as digital compass, barometer, thermometer, world time, among others. It is a great watch to carry along on your adventures without worrying about the battery dying, as it is powered by solar energy, and the watch also has an altimeter with a measuring range of 700 to 10,000 meters. This sustainable timekeeping device offers you all the functions you might need in a watch when you’re hiking, mountain climbing, or skiing.

Band Color: Silver | Band Material: Titanium | Item Shape: Round | Batteries: 1 Product Specific batteries required | Product Dimensions: 1 x 1 x 1 inches | Weight: 4 Ounces


  • 200M water-resistant
  • Low temperature-resistant
  • Full auto EL backlight with afterglow
  • 5 independent daily alarms
  • Comes with a power-saving function


  • The display might not be very easy to read

10. Best Multifunctional:Fanmis Solar Power Sports Watch

Fanmis multifunctional solar sports watch has a smart look and can be worn on all occasions. The watch has a durable strap and a rubber and ABS plastic case with mineral glass covering to make it scratch-resistant. It is equipped with a Japanese quartz movement and is powered by solar energy. The display has regular LEDs and a backlight for visibility in the dark. Since the watch is calibrated, the date will automatically change. This solar energy watch has alarm and stopwatch functions and is shock-resistant and waterproof up to 50m, making it robust and durable.

Band Color: Black | Band Material: Rubber | Item Shape: Round | Product Dimensions: 5.7 x 4.1 x 2.2 inches | Weight: 1.6 Ounces


  • Multifunctional
  • Vibrant backlight
  • Fully digital display
  • Scratch proof
  • Sporty look
  • Lightweight


  • May not be protective against water
  • May not show the calendar in full
  • May have low alarm ring

11. Best Battery Life:Cool fire Solar Atomic Watch

*The prices provided in this article are based on the latest available information. However, they may vary due to changes in pricing by the seller and/or promotional offers.

The Cool fire Solar Atomic Watch is radio-controlled, has solar energy, and provides a multi-year battery life with accurate time. The radio-controlled solar watch has a scratch-resistant anti-reflective mineral crystal glass cover and a high-quality leather band and stainless steel case to make it more durable. There is a battery life indicator on the dial, which allows you to keep track of the charge.

Time and calendar are calibrated based on atomic clocks, so they automatically and accurately change. The watch also includes a solar charger that can be easily charged and is water-resistant up to 50m.

Batteries: 1 CR2 batteries required | Item Weight: 4.8 ounces | Dial Color: White | Number of Batteries: 1 CR2 batteries required | Frame Material: Stainless Steel | Frame Material: Stainless Steel | Material: Stainless Steel, Leather, Steel, Crystal | Shape: Round | Product Dimensions: 1.73"W x 0.59"H


  • Has a battery life indicator
  • Durable
  • Solar charger included
  • Easy to read
  • Shows accurate time


  • No timer and stopwatch present
  • Charges only with solar charger

Things To Consider When Buying Solar Watches

Here are a few points to consider while buying a solar watch.

  1. Dial size: Check the dial size and do a fit assessment to get a suitable watch. A larger dial will look perfect on larger wrists. Smaller dials are ideal for smaller wrists.
  2. Strap: Various solar analog and solar digital watches have different types of straps made of stainless steel, nylon, resin, or leather. Some materials may cause an allergy, so consider the strap material when choosing a watch.
  3. Functionality: When buying a solar-powered watch, the next thing to consider is the set of features in the watch. If you like to have a reminder function, a watch with an alarm would be suitable. If you are a fitness enthusiast, you may want a solar smartwatch that tracks your activity, heart rate, number of steps, and idle time.
  4. Date feature: Whether you want a fully automatic digital date display or a small display that only displays the date depends on your personal preference. So, check this aspect when choosing a watch.
  5. Durability: The watch should have passed durability evaluations and be scratch-resistant to prevent daily wear and tear. Water resistance is also an essential feature for those who are physically active or indulge in water sports.

Why Trust MomJunction?

Wedetso Chirhah is experienced in reviewing electronics, automobiles, and books. His articles are based on facts and detailed research. After conducting trend analysis and keeping in mind the style, design, and functionality, he has come up with the best solar atomic watches. These best-selling watches can be worn by both men and women and do not need a battery for operation. You may understand their noteworthy features and pros and cons by going through their description about color, dial size, durability, weight, and more. Wedetso also suggests helpful buying tips to enable you to find the right product.

Frequently Asked Questions

1. Can I charge my solar atomic watch without the sun?

Yes, you can charge your solar atomic watch without the sun. You can charge it with a fluorescent, incandescent, or LED lamp. It does, however, take much longer than charging it with sunlight.

2. Can solar atomic watches be tracked?

Some solar atomic watches can be tracked because of the presence of their GPS tracking feature. Therefore, look for this feature if you want to track a solar atomic watch.

3. How long do solar atomic watches last?

A scratch- and water-resistant solar atomic watch tends to last longer than others. Furthermore, storing your watch properly after each use and avoiding using it on a low charge will extend the life of your watch.

4. How accurate is a solar atomic watch?

Solar atomic watches are quite accurate as they work by picking up a radio frequency and can tell the precise time because of high-frequency atomic oscillations.

5. Will a flashlight charge a solar atomic watch?

Since in most flashlights, the lamp is either incandescent or LED, it can charge a solar atomic watch at a slow rate.

6. How much sunlight does a solar atomic watch need?

Direct rays of sunlight can fully charge a typical solar atomic watch in approximately 15 to 20 hours. It takes longer if you charge your watch through a window.

7. Are solar atomic watches affected by gravity?

Yes, solar atomic watches are affected by gravity. If the gravitational potential, which is the gravitational strength, is lower in some areas, the watch would lose its time and vice versa.

The Bottom Line

Solar atomic watches are unique timepieces that look trendy and tell precisely. These environmentally-friendly timepieces add a touch of elegance to your outfit while ensuring durability. Powered by the sun, these watches require no battery change. Whether you’re an avid trekker or a connoisseur of watches, the ones listed here will catch your fancy. Our top picks include the durable Garmin Instinct Solar Watch for its seamless blend of timeless design and modern technology and the Casio Men’s G-Shock Solar Atomic Sports Watch for its advanced features. We also recommend the Timex Men’s Expedition Scout Solar-Powered 40mm Watch for its trendy and classic design. When choosing one, consider the dial size, strap quality, date features, and ease of operation so you can have a wonderful experience wearing it and add yet another gem to your collection.

Infographic: Proper Usage Of A Solar Atomic Watch

Solar atomic watches combine the convenience of solar power with the precision of atomic timekeeping. With their eco-friendly design and accurate synchronization, they serve as reliable and environmentally-conscious timepieces. However, adhering to specific charging precautions is essential for ensuring their efficient functioning. Explore the infographic below to learn the nuances of charging solar atomic watches.

Tips For Proper Battery Usage And Charging A Solar Atomic Watch (infographic)

Illustration: Momjunction Design Team

Get high-quality PDF version by clicking below.

Download Infographic in PDF version Download Infographic
Download Infographic in PDF version

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