Welcome! This manual guides you through your Citizen Eco-Drive, detailing its features and functions for optimal use and enjoyment of this innovative timepiece.
What is Eco-Drive Technology?
Citizen’s Eco-Drive represents a revolutionary approach to watchmaking, powered by any light source – sunlight, fluorescent, or even indoor lighting. Unlike traditional quartz watches needing battery replacements, Eco-Drive converts light into energy, storing the excess in a rechargeable lithium-ion battery.
This innovative system offers several benefits: eliminating battery changes, reducing environmental waste, and ensuring reliable timekeeping. The technology is Citizen proprietary, showcasing their commitment to sustainability and precision. A fully charged Eco-Drive watch boasts a substantial power reserve, allowing it to operate for extended periods in darkness.
Essentially, Eco-Drive is a perpetually self-charging watch, offering convenience and eco-consciousness in a stylish package.
Unboxing and Initial Inspection
Upon receiving your Citizen Eco-Drive, carefully inspect the packaging for any signs of damage during transit. Gently open the box and verify the contents: the watch itself, the instruction manual, warranty information, and any included accessories like extra links or tools.
Examine the watch closely for any visible defects – scratches on the crystal, imperfections on the case, or issues with the bracelet. Ensure the crown and pushers operate smoothly. Before first use, it’s crucial to check the power reserve indicator.
If the watch isn’t displaying time, it likely needs initial charging. Refer to the ‘Charging Your Eco-Drive Watch’ section for detailed instructions. Retain all packaging and documentation for warranty purposes.

Understanding Your Watch Model
Identifying your specific Citizen Eco-Drive is key to utilizing all its features; locate the model or calibre number for detailed instructions.
Locating the Model Number
Finding your watch’s model number is crucial for accessing the correct manual and support resources. Typically, the model number is found on the watch case back. Look for a series of alphanumeric characters – often beginning with four digits or letters representing the ‘calibre’ or ‘movement’ number.
This number uniquely identifies your specific Eco-Drive model. Sometimes, the full model number is displayed, while other times only the calibre number is present. If you find only the calibre number, you can often use it to locate the complete model number through Citizen’s website or customer support.
Carefully examine the case back; you may need a magnifying glass for smaller engravings. Knowing this number unlocks access to precise instructions and troubleshooting guidance tailored to your watch.
Identifying Key Components
Familiarize yourself with your Eco-Drive’s parts. The dial features a solar panel, subtly integrated to power the watch. The crown controls time and date adjustments; it may have multiple positions for different functions. Pushers, if present, typically operate the chronograph or other specialized features.
The case back houses the movement and is often engraved with the model and serial numbers. The band or bracelet secures the watch to your wrist and can be adjusted for a comfortable fit. Understanding these components is essential for proper operation and maintenance;
Refer to diagrams in the full manual for precise locations and functions of each part specific to your model. Knowing your watch’s anatomy enhances your overall experience.

Charging Your Eco-Drive Watch
Eco-Drive utilizes light! The solar panel converts any light source – natural or artificial – into energy, sustainably powering your Citizen watch.
How the Solar Panel Works
Citizen’s Eco-Drive technology is revolutionary, harnessing the power of light through a sophisticated solar panel integrated beneath the watch dial. This isn’t a traditional solar charger; it efficiently converts both natural and artificial light – even low-intensity sources like indoor lighting – into electrical energy.
This generated energy is then stored in a rechargeable lithium-ion battery, eliminating the need for conventional battery replacements. The panel’s design is discreet, maintaining the aesthetic appeal of the watch while providing sustainable power. The efficiency of the panel ensures consistent operation, even with intermittent light exposure, making your Eco-Drive a truly environmentally conscious timepiece. It’s a core element of Citizen’s commitment to innovation and sustainability.
Optimal Charging Conditions
To maximize your Eco-Drive’s performance, expose it to bright, indirect sunlight for several hours regularly. Direct sunlight is effective, but prolonged exposure isn’t necessary. Indoor lighting can also charge the watch, though it will take longer than sunlight; Fluorescent light is a viable, albeit slower, charging source.
Avoid placing the watch directly on top of fluorescent lamps, as this can potentially affect its functionality. Consistent, moderate light exposure is preferable to infrequent, intense charging. Remember, even low levels of ambient light contribute to maintaining the power reserve. Regularly wearing your watch throughout the day typically provides sufficient charging for continuous operation, ensuring it’s always ready when you are.

Charging Time and Power Reserve
Charging times vary depending on light intensity. Under bright indoor lighting, a full charge may take several days. Direct sunlight significantly reduces this, potentially achieving a full charge within a day. The power reserve indicates how long your watch will run on a full charge – this varies by model, but can range from several months to even years.
A fully charged Eco-Drive will continue to function even in complete darkness for its specified reserve period. Regularly checking the power reserve indicator (if your model has one) helps ensure uninterrupted operation. If the watch stops, recharge it as described previously, and it will resume accurate timekeeping.

Setting the Time and Date
Adjusting time and date is straightforward on your Citizen Eco-Drive. This section details the normal procedures for precise time and date synchronization.
Normal Time Setting
To set the time normally, gently pull the crown out to the first click. This action will allow you to adjust the hands independently. Rotate the crown to move the hour and minute hands to the correct position, ensuring accurate timekeeping. Pay close attention to the AM/PM indicator if your watch features one.
Once the desired time is set, carefully push the crown back to its original position. It’s crucial to ensure the crown is fully seated to maintain water resistance and prevent unintended time adjustments. Avoid forceful pushing or pulling, as this could potentially damage the crown or movement. Regularly checking your watch’s time against a reliable source is recommended for continued accuracy.
Day and Date Adjustment
Adjusting the day and date requires pulling the crown out to the second click – past the time-setting position. Once in this position, rotating the crown clockwise will advance the date, while rotating it counter-clockwise will move it backward. Be cautious when adjusting the date, especially around the end of the month, to avoid damaging the mechanism.
To set the day of the week, continue rotating the crown. Some models allow direct day adjustment, while others cycle through the days. After setting both the day and date, remember to push the crown fully back into its original position. Always double-check the accuracy of both settings before resuming normal wear.

Using Advanced Features
Explore enhanced functionalities! Your Citizen Eco-Drive may offer radio synchronization, world time, or chronograph features – detailed instructions follow for optimal usage.
Radio Controlled Time Synchronization (if applicable)
Automatic Time Adjustment: If your Citizen Eco-Drive features radio control, it automatically synchronizes with atomic time signals for exceptional accuracy. To initiate synchronization, ensure sufficient power reserve and follow these steps. The watch will automatically search for a signal during nighttime hours, or you can manually initiate the search via the watch’s functions.
Signal Reception: Optimal reception occurs indoors near a window, or outdoors with a clear view of the sky. Successful synchronization is indicated by a visual confirmation on the watch face. Note that signal reception can be affected by location and atmospheric conditions. If synchronization fails, try moving to a different location or initiating the process again later. Regular synchronization ensures your watch maintains precise timekeeping.
World Time Function (if applicable)
Accessing World Time: If your Citizen Eco-Drive model includes a World Time function, you can easily display the current time in various cities around the globe. Typically, this is accessed through a dedicated mode or button sequence, as detailed in your specific model’s instructions. Select a city from the pre-programmed list, representing different time zones.
City Code Selection: The watch utilizes city codes to represent locations. Refer to the included city code list to find the appropriate code for your desired city. Once selected, the watch displays the local time for that city. You can cycle through different cities to view times in multiple locations. This feature is incredibly useful for travelers or those needing to track times across different regions.
Chronograph Operation (if applicable)
Starting and Stopping the Chronograph: If your Citizen Eco-Drive features a chronograph, the top left button typically initiates and stops the timing function. Pressing it once begins timing elapsed seconds, minutes, and sometimes hours. Pressing it again halts the timing, freezing the display.
Resetting the Chronograph: To reset the chronograph to zero, press the bottom left button. This clears the elapsed time measurements, preparing the function for a new timing session. Some models may have multiple sub-dials displaying different time units. Understanding the layout of these sub-dials is crucial for accurate chronograph use. Refer to your model’s specific diagram for clarification.

Maintaining Your Eco-Drive Watch
Proper care ensures longevity! Regularly clean with a soft cloth, be mindful of water resistance, and avoid harsh chemicals or strong impacts;
Cleaning and Care
Maintaining your Citizen Eco-Drive’s appearance is simple with regular care. Use a soft, dry cloth to wipe away dust, fingerprints, and smudges from the case and crystal. For more stubborn marks, lightly dampen the cloth with water, ensuring it’s not overly wet. Avoid abrasive cleaners, solvents, or polishing compounds, as these can damage the watch’s finish.
For the bracelet or strap, a mild soap and water solution can be used. Rinse thoroughly and dry completely before wearing. Leather straps require specialized leather cleaners and conditioners to prevent drying and cracking. Regularly inspect the crown and pushers to ensure they are free of debris. Proper cleaning will help preserve the beauty and functionality of your Eco-Drive watch for years to come;
Water Resistance Information
Citizen Eco-Drive watches offer varying degrees of water resistance, indicated by the case back. “Water Resist” signifies basic splash and rain resistance, not suitable for immersion. “Water Resistant 50m” (or 5 ATM) is appropriate for everyday use, including brief swimming, but avoid hot water or prolonged exposure. “Water Resistant 100m” (10 ATM) is suitable for swimming, snorkeling, and shallow diving.
Higher ratings (200m/20 ATM or greater) are designed for scuba diving. Important: Water resistance isn’t permanent and can diminish over time due to crown/pusher seal degradation. Have seals checked and replaced annually by a qualified Citizen service center. Avoid operating the crown or pushers while underwater, and rinse your watch with fresh water after saltwater exposure.
Eco-Drive Watch Handling Precautions
To ensure the longevity of your Citizen Eco-Drive, avoid exposing it to extreme temperatures or strong magnetic fields. Do not attempt to disassemble or repair the watch yourself; always rely on authorized Citizen service centers. Regularly clean the watch with a soft, damp cloth, avoiding harsh chemicals or abrasive cleaners.
Be mindful of the crystal; while durable, it can still be scratched. Avoid dropping the watch or subjecting it to significant impact. If the watch hasn’t been worn for an extended period, charge it fully before use. Proper handling and care will maintain the accuracy and performance of your Eco-Drive watch for years to come.

Troubleshooting Common Issues
If facing problems, check charging and timekeeping. A dealer or Citizen Service can assist with issues beyond simple fixes, ensuring optimal function.
Watch Not Charging
If your Eco-Drive watch isn’t charging, several factors could be at play. Ensure sufficient light exposure; the solar panel needs illumination to convert light into energy. Avoid dim environments and try direct sunlight or bright indoor lighting.

Check if the watch is exposed to a light source for a prolonged period. A fully discharged watch may require significant charging time to regain functionality.
Also, verify the watch’s case and crystal are clean, as dirt or residue can obstruct light reaching the solar panel. If the issue persists after adequate light exposure and cleaning, immediately consult a Citizen dealer or authorized service center for professional assessment and repair.
Remember, a clear dial is essential for efficient charging.
Timekeeping Inaccuracies
Experiencing timekeeping inaccuracies? While Eco-Drive watches are renowned for their precision, slight deviations can occur. If your watch consistently loses or gains time, first ensure it’s fully charged, as low power can affect accuracy.
For radio-controlled Eco-Drive models, confirm successful signal reception; a weak or absent signal can lead to discrepancies.
External magnetic fields can also disrupt the watch’s movement, causing inaccuracies. Keep your watch away from strong magnetic sources. If the problem continues despite these checks, a professional regulation may be necessary.
Citizen’s service center can diagnose and rectify any underlying mechanical issues affecting timekeeping precision, ensuring your watch operates flawlessly.

Finding Additional Resources
Need more help? Explore Citizen’s website for manual lookups and comprehensive support, or contact their customer service team for personalized assistance.
Citizen Watch Manual Lookup
Locating your watch’s manual is simple! Citizen provides a convenient online resource for downloading PDF instructions. Begin by identifying your timepiece; you’ll need either the model number or the calibre (movement) number. The calibre number is typically the first four alphanumeric characters found on your watch.
You can search using either of these identifiers on the Citizen website. This allows quick access to the specific manual tailored to your Eco-Drive watch. Searching by movement number is often the most precise method. Once found, you can easily download and save the manual for future reference, ensuring you always have access to detailed operating instructions and troubleshooting tips. This online lookup is a valuable tool for any Citizen watch owner.
Citizen Customer Support
Need further assistance with your Eco-Drive watch? Citizen offers comprehensive customer support to address any questions or concerns you may have. While the online manual lookup provides a wealth of information, direct support is readily available if needed.
Citizen’s dedicated support team can assist with troubleshooting, warranty inquiries, and general product information. You can typically find contact details – including phone numbers and email addresses – on the official Citizen website. Don’t hesitate to reach out if you encounter issues not covered in the manual or require personalized guidance. Citizen is committed to ensuring your complete satisfaction with your timepiece.