Citizen Watch Company has recently introduced their most technically advanced model, the Eco-Drive. The power provider for these quartz watches is a solar conversion panel and energy cell. Its ability to absorb sunlight as well as artificial light to generate electrical power means that the supply is limitless and free. Another big advantage is the absence of any additional complex power generating machinery that would require additional upkeep.
Below are some of the most popular Eco-Drive models. If you don't see one here that you like there are a lot more to choose from at Citizen Watches.
Citizen Men's Eco-Drive Titanium Perpetual Calendar Chronograph Watch #BL5250-53L
Citizen Men's Eco-Drive Perpetual Calendar Chronograph Watch #BL5250-02L
Citizen Women's Eco-Drive Corso Diamond Accented Watch #EW0730-54A
Citizen Women's Eco-Drive 300 Meter Professional Diver Watch #EP6000-07H