Citizen marks 50 years of Eco-Drive with two new light-powered watches - The Japanese brand has been harnessing light power ...

It has an Eco-Drive movement, so you’ll never have to change the battery. This everyday-wear dive watch features a full stainless-steel case, a bold bezel, and is powered by the brand’s trademark ...

Solar-powered gadgets have moved beyond novelty status and into everyday practicality by 2026. Improvements in panel efficiency, battery management, and compact design now allow these devices to work ...