Optical kinetic energy watch, English is Ecology-Drive, which is a kind of watch with built-in system to convert light energy into electric energy. Because of the use of batteries that don't have to be discarded, it can save limited earth resources and reduce pollution, and it is a real environmental protection product.
1996 was recognized as the first "environmental product symbol" in Japanese watch industry. In 200 1 year, it obtained the first "environmental label product" certification in China watch industry. Not only is the watch driven by light, but harmful metals such as mercury and cadmium are no longer used in rechargeable batteries.