![]() Unlike a manual wind (that needs to be wound regularly) or automatic watch (that needs motion), a solar-powered watch only requires light to function. ![]() It doesn’t require much effort to keep a solar watch running. You can say that a solar watch is always charging (unless you store it in total darkness). All you have to do is expose the watch to any source of light, and it will start charging. Solar-powered watches are designed to convert natural and artificial light into energy. So aside from the sun, you can also expose a solar watch to incandescent or fluorescent bulbs to recharge the solar cells under the dial. A solar watch can be powered by any light source, whether outdoor or indoor. Some people might think that solar watches can only be charged by exposing it to sunlight. Citizen Men’s Eco-Drive Blue Angels (Image: Amazon) Solar Watch Pros Can be charged through any light source In mid-2020, well-known smartwatch manufacturer Garmin launched a new solar line, upgrading some of their bestselling models with solar power and extended battery life. Young brand Solios from Canada produces a line of minimalist solar watches with thinner cases and sleeker profiles than earlier generation technology. ![]() However, Seiko and Citizen watches have much of the market share and compete for head to head on their solar technology Today, solar-powered watches are a major part of the range of watches of many watchmakers, including Citizen, Casio, Seiko, Junghans, and Orient. Since their introduction, solar watches have greatly improved in terms of efficiency and capacity. In the 1990s, Citizen started selling solar watches under the Eco-Drive series. Inexpensive solar watches were first sold during the 1980s and were popular among children, often featuring famous characters such as G.I. Not all solar watches have a power-saving mode, yet will still hold a charge for up to six months, as with uncomplicated analog versions made by Citizen.Įarly solar watches manufactured in the 1970s had unique designs to accommodate the photovoltaic solar cells required to power them (e.g., Synchronar, Sicura, Nepro). In that mode, the second’s hand stops until the solar watch is re-exposed to light. In particular, Citizen solar watches use lithium-ion batteries to store enough energy to power the watch for several months without light exposure, by allowing it to enter a hibernation (power-saving) mode. The watch stores energy in a rechargeable cell to power itself when covered (by a long sleeve) or during the night. To power the watch, the solar panel converts light into electrical energy. The dial is either above or on the solar panel. Sunlight or artificial light is absorbed by the solar panel behind the crystal. A solar watch is a watch that is powered by a solar cell. Slightly more expensive than quartz watchesīefore we discuss the pros and cons of solar watches, we must first define ‘what is a solar watch’.Can be charged through any light source.
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