Over 100+ hours are needed to achieve a full charge. Avoid relying solely on dim office light to power a dead watch. Low Charge Warning
The watch will warn you if it is running low on power. citizen eco drive gn-4w-s-12g manual
The watch runs indefinitely with regular light exposure. Charging Guide and Timelines Over 100+ hours are needed to achieve a full charge
The watch's caseback features the model's management number and "Eco-Drive," confirming its origin and power source. For collectors, the "GN-4W" prefix is a case-type code used by Citizen across various models. The watch runs indefinitely with regular light exposure
Once you have the 4-digit caliber number, you can retrieve the specific setting instructions: Visit the Citizen Watch Setting Instructions page. Enter your in the search box.
Most GN-4W-S models feature a standard three-hand design or a chronograph layout with a screw-down or push-pull crown. Step 1: Unscrewing the Crown (If Applicable)
| Category | Specification | | :--- | :--- | | | Citizen | | Model / Ref. No. | GN-4W-S-12G | | Movement Type | Eco-Drive (Solar Quartz), Radio-Controlled | | Caliber / Movement | E670, H45, or H804 (depending on variant) | | Case Material | Stainless Steel (some models Titanium) | | Crystal | Sapphire (scratch-resistant) | | Water Resistance | 10 BAR / 100 meters (10ATM) or 20 BAR / 200 meters (20ATM) | | Dial | Black with luminous hands and indices | | Band / Bracelet | Black Leather Strap or Stainless Steel Bracelet | | Clasp | Citizen Signed Buckle / Folding Clasp | | Country of Origin | Made in Japan |
