Using natural sources of light to power electronics is becoming more and more popular every day. Most watch batteries last about a year or so and then need to be replaced. Finding the right battery and installing it can be quite a hassle… enter the solar powered watch.
Companies started experimenting with solar powered watches in the 1980s, but now they are a major part of most watch companies. Solar watches work by using a solar panel behind the crystal of the watch to absorb sunlight and some artificial light. The watch is then able to store the energy so it can be powered when not exposed to a light source.
In the long run a solar powered watch will save you lots of time and money. Buying a watch is a long-term investment and most people collect quite a few watches over the years. If you even add just one solar powered watch to your arsenal, you at least always have one watch where the batteries don’t need to be replaced.