There are a lot of solar smartwatches on the market these days. So, which one is the best? In this blog, I’ll be reviewing three of the most popular solar smartwatches on the market. I’ll be comparing and contrasting their features, and ultimately crowning one as the best solar smartwatch. Stay tuned!

What is a solar smartwatch?

A solar-powered smartwatch, more simply called a “solar smartwatch,” is very similar to an ordinary digital wristwatch; however, the main difference is that it derives power from sunlight (or artificial light) rather than battery power. The average solar-powered smartwatch has five functions: telling time, alarm clock, stopwatch, countdown timer, and dual time zone.

Features to consider when picking the best solar smartwatch

There are a variety of considerations to make when buying a watch. Some important features that should be taken into account include: durability, price, appearance/aesthetics, water resistance, dual time zones, indoor visibility, sunlight visibility and clarity of display.


The best solar smartwatch is one that can withstand regular use; thus, the watch’s durability is an important feature to consider when buying a watch. Pick a watch that you can use for at least 3 to 5 years.


Many of the most popular solar smartwatches are rather expensive; however, there are other options that can be bought for a more reasonable price.


The appearance of the best solar smartwatch varies depending on taste but should be noted nonetheless.

Water Resistance

The best solar smartwatch should be able to resist water damage so the watch doesn’t get ruined when it gets wet.

Dual Time Zones

Some of the best solar smartwatches allow you to set two different time zones at once; this can be useful for people who frequently travel.

Indoor Visibility

The best solar smartwatch should be able to be seen clearly in both bright and low light conditions (such as sunlight and artificial light).

Sunlight Visibility

The best solar smartwatch should be able to work in a bright environment, such as outdoors in sunlight.

Clarity of Display

The best watch’s display should be clear, sharp and easy to see. It doesn’t matter whether the display is analog or digital; it just needs to be clearly visible.

Top Solar Smartwatch brands/companies

1. Seiko: Seiko is a Japanese company, and they’re the leaders in solar-powered technology for digital watches.

2. Casio: Casio is a well-known and reputable watch company, and they make high quality products.

3. Citizen Watch Company: Citizen Watch Company has been making watches since 1918 and is one of the most well-known and reputable watch companies in the U.S.

4. Dynex: Dynex is an American company that aims to provide quality products for a reasonable price; they’re known for their inexpensive yet high-quality watches.

Best Solar Smartwatch reviews (for each brand)

 Seiko Men’s SSC139 Solar Watch

The Seiko Men’s Solar Titanium Watch is a popular and highly rated pick. It has an analog clock with a sleek-looking titanium face, and it only requires light in order to function properly (the watch doesn’t need battery power at all).

The Citizen Solarpower diving watch, which was first introduced in the 1990s and is a throwback to those made by Citizen, has been updated with 21st-century technology to make it more modern. Because it runs on light and does not require a battery, you will never be late for an appointment again thanks to its solar technology.


-Stainless steel case

-Round watch face

-Date and day functions

-Analog display with quartz movement

-Water-resistant up to 100 meters (330 feet)

The Citizen Men’s BM8180-03E Eco-Drive Stainless Steel Watch has an incredible 4.7 out of 5-star rating on, proving that customers really love it!

All functions on this watch are automatic and you never have to replace a battery.

The eco-drive Swiss quartz movement is powered by any light source so it always works, even in total darkness! The stainless steel case features an open window back to view the Eco-Drive movement. The round silver dial has luminous hands and hour markers along with the day, date, and 24 hour time displayed in apertures. The stainless steel bracelet has a fold-over safety clasp with push-button release.

Seller says:

“I was pleasantly surprised at how quickly the watch set itself after receiving it in the mail.”

-A reviewer on

Casio GW-9400-1CR Solar Watch

The Casio GW-9400-1CR Solar Watch has an analog clock face, water-resistance up to 200 meters (660 feet) and a stainless steel band. It also operates on solar power; no battery is necessary for this watch to work properly.

This is the first G-Shock model to include the popular triple sensor, which combines an Altimeter, Thermometer, and Barometer with a compass.

The Casio GW (G-Shock) model boasts Cylindrical buttons that provide excellent action and impact resistance. It has a metal cowl on the frequently utilized sensor button, which is convenient. It also protects against lateral effects and maintains foreign recall. When you press the sensor button in any mode, you will be brought to a sensor screen immediately.

Below are the other best solar smartwatches available in the market today;

  1. Casio Tough Solar Sport
  2. Citizen Eco-Drive Promaster Diver Solar Watch
  3. Casio Pro Trek PRW-3500T-7CR
  4. One Eleven SWII Casual Solar Watch
  5. Casio Men’s G-SHOCK Quartz Watch
  6. Seiko Coutura Radio Sync Solar Watch
  7. Garmin Instinct Solar Outdoor Smartwatch
0/5 (0 Reviews)