Citizen Eco Drive Gn4ws12g Manual Link

Once you have the caliber number (e.g., E168), use one of these official sources:

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. citizen eco drive gn4ws12g manual link

Even after reading your Citizen GN4WS12G manual, remember: Once you have the caliber number (e

If you cannot locate the caliber number: Middle East). In that case

The official manual will explain:

The GN-4W-S12G is part of Citizen’s Promaster or Sport line, depending on the market. It is an analog quartz chronograph powered by Citizen’s proprietary Eco-Drive technology – meaning any light source (sunlight, indoor fluorescent, or LED) powers the watch indefinitely without battery changes.