Do solar powered watches need to be in the sun?
:2023-12-24:1743:How do solar powered watches work?
How Solar Powered Watches Work: A Simple Guide
Solar powered watches are pretty cool! They work by having tiny solar cells in the watch face that soak up light, be it from the sun or even indoor lights. These cells change the light into power, and it gets stored in a special rechargeable battery. This battery is what keeps your watch ticking and all its features running smoothly.

How Long Do They Last?
These watches usually last between six months to two years, depending on the model. If you've got a CASIO/G-SHOCK solar watch, just 8 minutes of sunlight can give it a whole day of power! That's not just sunlight—any light source, even lightbulbs, will do the trick. These watches can keep going for up to TWO YEARS without needing a recharge, but do check your watch's manual for exact details. Even if you stash it away or forget to charge, your watch will still work thanks to its power reserve.
Can You Change the Battery?
The great thing is, you won't need to replace the battery in a Tough Solar watch because it feeds on light energy. If you ever have questions about your watch's solar battery, just reach out to Casio customer service—they'll help you out or arrange for a pro to take a look.

Do They Need Sunlight Directly?
Nope, not necessarily. While sunlight is like a power-up for these watches, they can also get energy from indoor lights. So, whether you're outside soaking up the sun or chilling indoors, your watch is still getting the juice it needs. And yes, even in winter, as long as there's some light, these watches will keep on ticking.
Tips for Charging Anytime:
- Sunlight is the best: Direct sunlight is like a super boost for charging.
- Indoor light works too: Don't worry if you're indoors; your watch will still charge.
- Regular wear helps: Keep it on your wrist for regular charging.
- Brighter light means faster charge.
- Store in well-lit areas if not worn daily.
- Solar watches work year-round, even in winter.
- Read the manual: Always check what the manufacturer suggests for the best practices.
Is a Solar Watch Worth It?
Absolutely! These watches are a great investment. Here's why:
- No battery changes, saving you money.
- Power reserve keeps the watch going in the dark for up to two years.
- You've got a reliable power source all the time.

And if you want to take it to the next level, consider upgrading your Casio watch with the latest Tough Carbon fiber case.