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Our most common watches are quartz and mechanical watches. Although quartz watches are precise and stable, some people think they are a joke. If you're not wearing a mechanical watch, you might as well use your phone to check the time. Mechanical watches are said by manufacturers to be art pieces of time and crystallizations of human wisdom, and most people accept this narrative. Today, we will learn about the characteristics, working principle, and advantages of solar energy watches.
Solar Energy Watches are characterized by being low-carbon, environmentally friendly, and high-tech. Unlike quartz watches, solar energy watches (photovoltaic watches) use a light kinetic movement, and their battery lifespan is much longer than that of regular quartz batteries, significantly reducing environmental pollution caused by discarded batteries.
The principle of Solar Energy Watches
When light shines on the wristwatch's transparent electrode, the solar cells convert the light energy into electrical energy and transmit it to the integrated circuit, driving the rotor, gears, and hands to operate while storing the excess electrical energy in a rechargeable titanium lithium-ion battery that can be reused.
When there is no light, the electrical energy emitted by the battery generates pulse signals through the integrated circuit to the coil, producing magnetic force to drive the stepper motor and ensure the watch operates normally. If a solar watchis placed under a light source for 3 to 4 hours, the movement can be fully charged, and it can run for 3 to 6 months even without light exposure.
Solar Energy Watches can be classified into basic photovoltaic watches, GPS kinetic watches, and radio wave photovoltaic watches.
Basic photovoltaic watches only have solar functions.
Radio wave photovoltaic watches, in addition to the solar function, can also synchronize with radio signals. However, this has significant limitations. In China, there is only one signal tower in Shangqiu, Henan, so remote areas cannot receive the signal. When receiving the watch, it needs to be in an open area, with the nine o'clock position of the watch facing the direction of Shangqiu, Henan.
GPS watches are very convenient for synchronization, just like mobile phones, they can automatically synchronize as long as they receive GPS signals.
Solar Energy Watches are a symbol of high technology. More and more solar power watch manufacturers focus on technological development and innovation. When you wear one, it can attract the attention of others, as rare items are always a topic of conversation. Its advantages are that it is environmentally friendly, keeps accurate time, and does not require frequent battery changes; it runs as long as there is light.
However, it should be noted that when the watch's location changes, the time zone needs to be corrected. If the watch does not receive enough light exposure, it will automatically correct the time based on the last successful manual correction. If it does not receive enough light for a long period, a single successful manual correction can significantly increase the success rate of automatic time correction.
