Citizen Eco Drive Gn-4w-s-12g Manual High Quality
A Comprehensive Guide to the Citizen Eco Drive GN-4W-S-12G Manual
4. Important Warnings from the Official Manual
4-digit movement caliber
To find the correct operating instructions on the Official Citizen Support Page , you must locate the engraved on your watch’s caseback. 1. How to Identify Your Movement Caliber
- This allows you to adjust the Calendar (Date).
- Turn the crown to change the date. (Note: Do not adjust the date between 9:00 PM and 1:00 AM, as the gears are already engaging for the automatic changeover).
- On some variations, this position also adjusts the 24-hour hand or local time. Check if turning it moves a smaller sub-dial.
3.2. Using the Chronograph
When to Seek Professional Service
- Note: When setting the time, the date will change automatically when the hands pass midnight.