To set the time and date on your Citizen Eco Drive GN-4WS12G, follow these steps:
How do I find my watch caliber number? The caliber number is engraved on the caseback of your watch. Citizen Watch Instruction manual | CITIZEN WATCH Global Network citizen eco drive gn4ws12g manual link
If that page is unavailable in your region, you can also: To set the time and date on your
on the watch's caseback, as "GN-4W-S" is a case marking rather than the specific model or movement identifier. Citizen Watch Locating Your Manual citizen eco drive gn4ws12g manual link
If you cannot find your specific code, these common Eco-Drive manuals may apply: Basic Analog Models (3-hand) Chronograph/Perpetual Calendar (E810/E820) Radio-Controlled Models (H800) ⭐ Useful Review Summary Based on user feedback from sites like eBay , Instruction manual - CITIZEN WATCH Global Network