Eco-Drive. Powered By Light. Citizen created Eco-Drive, the only technology that harnesses light, any light, to power watches continuously and sustainably.

Eco-Drive converts any kind of light into energy to power a watch, storing the surplus on a power cell. On a full charge, an Eco-Drive watch runs for months even in darkness with no need for regular battery replacement. It’s designed to charge from ordinary everyday light sources like indoor fluorescent lighting and desk lights. You can go about your everyday life confident that your watch will never stop.

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