: On a full charge, the watch can run for approximately 6 months or longer without further exposure to light.
: Enter your movement caliber number to get specific guides. Citizen Global Support Selection
This model may be a regional variant (Japan, Asia, Middle East). In that case, search Citizen’s global site: https://www.citizenwatch-global.com/support/manual/ Select your region and look up by movement number.
If you own the Citizen Eco-Drive GN4-W S12G or are considering one, this complete guide will help you understand setup, daily use, features, maintenance, and troubleshooting — plus where to find the official manual.