The technical platform that made the Eco-Drive concept possible was the Eco-Drive caliber 7878 movement. This movement was the first light powered movement where the solar panel could be mounted under the round dial. Previous light powered watches from Citizen and other manufacturers had the solar cell(s) mounted directly on the dial.
- June 1, 2013
- Citizen Capacitor / Citizen Eco Drive Repair / Citizen watch repair / Citizen Watches / Uncategorized / watch repair