Contents

CONTENTS
1. Features
2. Names of Components and Major Functions
3. Switching the Mode (Display Functions)
4. Checking 0-Position of Each Hand
5. Accessing Times or Dates of Major Cities
6. Switching Analog Time and Digital Time
7. Setting the Time (Time is corrected by digital display)
8. Setting the Date (Date is corrected by digital display)
9. Using the Alarm Mode
10. Using the Chronograph
11. Using the Destination Timer
12. Using Zone Setting
13. Low Battery Warning Function
14. EL Internal Illumination
15. All-Reset
16. Using the Register Ring
17. Precautions
18. Specifications

Citizen C390 Instruction Manual

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Citizen C390 Watch Specification

The Citizen C390 Watch is a sophisticated timepiece that combines advanced technology with elegant design, appealing to both watch enthusiasts and casual wearers. This watch is powered by Citizen's renowned Eco-Drive technology, which harnesses light from any natural or artificial source to charge the battery, eliminating the need for regular battery replacements and ensuring continuous operation. The C390 features a robust stainless steel case that provides excellent durability and a sleek appearance. Its dial is protected by a scratch-resistant mineral crystal, ensuring clarity and longevity.

The watch's movement is a precise and reliable quartz, known for its accuracy and low maintenance. The C390 offers a range of functionalities including a date display, which is seamlessly integrated into the watch face for easy readability. Its water resistance is rated at 100 meters, making it suitable for everyday wear and able to withstand brief submersion in water, such as during swimming or showering, though it is not recommended for diving.

Comfort is prioritized with an ergonomically designed bracelet that offers a secure fit, complemented by a folding clasp with a push-button release for added safety and convenience. The Citizen C390 Watch also incorporates luminous hands and markers, allowing for visibility in low-light conditions. Overall, the Citizen C390 is a testament to Citizen's commitment to innovation, quality, and style, making it a reliable and fashionable choice for those seeking a watch that combines functionality with aesthetic appeal.

Citizen C390 Watch F.A.Q.

How do I set the time on my Citizen C390 watch?

To set the time on your Citizen C390, pull the crown out to the first click position. Rotate the crown to adjust the hour and minute hands to the correct time. Push the crown back in to its normal position when finished.

What should I do if my Citizen C390 watch stops working?

If your Citizen C390 watch stops, it may be due to a depleted battery. Consider replacing the battery or consult an authorized Citizen service center for assistance.

How can I clean my Citizen C390 watch?

Clean your Citizen C390 watch using a soft, damp cloth. Avoid using solvents or chemicals. For water-resistant models, ensure the crown is secured before cleaning.

Why is my Citizen C390 watch losing time?

Your Citizen C390 watch may lose time due to a weak battery or exposure to magnetic fields. Replace the battery or keep the watch away from magnets. If the issue persists, consult a professional technician.

How do I adjust the date on my Citizen C390 watch?

To adjust the date, pull the crown out to the first click position. Rotate the crown until the correct date is displayed. Avoid setting the date between 9 PM and 3 AM to prevent damage.

What is the water resistance level of the Citizen C390 watch?

The Citizen C390 watch typically offers water resistance up to 50 meters. However, always check the specific model's manual for exact details and avoid pressing buttons underwater.

Can I replace the strap on my Citizen C390 watch?

Yes, the strap on the Citizen C390 is replaceable. You can purchase a compatible strap and follow the instructions in the manual or have it replaced at a professional watch service center.

How often should I service my Citizen C390 watch?

It is recommended to service your Citizen C390 watch every 3-5 years to ensure optimal performance and longevity. Frequent servicing can prevent mechanical issues and maintain water resistance.

How do I reset my Citizen C390 chronograph after use?

To reset the chronograph, press the bottom button to stop the chronograph hand. Then, press the top button to reset all the chronograph hands to their zero positions.

What should I do if the crown of my Citizen C390 watch becomes loose?

If the crown becomes loose, avoid using the watch in water to prevent damage. It is advisable to have the crown inspected and repaired by an authorized Citizen service center.