Place the watch under a bright light source for several hours until the second hand resumes its normal, one-second intervals. The Watch Completely Stopped
: Go to the Citizen Setting Instructions page and enter those four characters.
When fully charged, most Eco-Drive watches will run for anywhere from 6 months to several years in total darkness, depending on the specific movement features. Charging Guidelines
: Many "GN-4W-S" models are radio-controlled. To manually sync the time, place the watch near a window with the 6:00 position facing the transmitter and hold the button at the 4:00 position for over 2 seconds. How to Set Your Citizen Eco-Drive citizen eco drive gn-4w-s-12g manual
: Based on similar models, your watch might use the E820 (perpetual calendar) or H804 (radio-controlled) movements. 📖 Step 2: Access the Official Manual
If your watch's second hand begins jumping in instead of ticking every second, the power reserve is critically low. The watch will still keep accurate time, but it signifies you have roughly 3 days of power left. Immediate exposure to bright light will resolve this and return the ticking to normal. 5. Maintenance and Water Resistance Care
So, you’ve got a with the "GN-4W-S" marking on the back. It’s a classic, reliable piece of engineering, but if you’ve lost the manual, you might be wondering why the second hand is jumping or how to actually change the date without breaking it. Place the watch under a bright light source
Look at the front dial or the case back for the specific engraving (e.g., "WR 100" or "Water Resist").
To keep your watch running optimally, expose the dial to light regularly. Here is a general breakdown of charging times required for a single day of operation versus a full charge: Light Source Environment For 1 Day of Operation For Full Charge Outdoors, sunny day (100,000 lx) ~2 to 5 minutes ~9 to 12 hours Cloudy Sunlight Outdoors, overcast day (10,000 lx) ~10 to 15 minutes Fluorescent Light Office desk / Indoors (3,000 lx) ~40 minutes ~130 hours
Pull the crown to Position 2, advance the time forward by 12 hours, and reset the current time. Maintenance and Care Tips 📖 Step 2: Access the Official Manual If
Rotate the crown clockwise or counterclockwise (depending on your specific movement caliber) until the correct date is displayed.
Once you have those four characters, you can download the specific instruction manual from the official Citizen support sites:
Date/Calendar adjustment mode. Position 2 (Pulled Out Two Clicks): Time adjustment mode. Step 2: Setting the Time
