Contents

CONTENTS
1. NAME OF PARTS
2. CHANGING MODES (FUNCTIONS)
3. SETTING THE HANDS
4. TIME/CALENDAR MODE
- A. Changing the display
- B. Changing the displayed city
- C. Adjusting the time and calendar
5. ZONE SET MODE
- A. How to set the zone
6. ALARM 1 & 2 MODES
- A. How to set the alarms
- B. Alarm ON/OFF and alarm monitor
7. TIMER MODE
- A. How to set the timer
- B. Timer countdown
8. CHRONOGRAPH MODE
- A.Total elapsed time measurment
- B. Split time measurment
9. THERMOMETER
- A. Methods of measurement
- B.Temperature measurement range and accuracy
- C. Switching between Celsius/Fahrenheit display
10. LOW BATTERY INDICATOR
11. ALL RESET
12. PRECAUTIONS
13. SPECIFICATIONS

Citizen C720 Instruction Manual

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Citizen C720 Watch Specification

The Citizen C720 is a sophisticated timepiece that seamlessly combines advanced functionality with elegant design. This watch features a robust stainless steel case that ensures durability and a sleek appearance, making it suitable for both casual and formal occasions. The dial is protected by a scratch-resistant mineral crystal, enhancing its longevity and maintaining a clear view of the display. Powered by Citizen's Eco-Drive technology, the C720 harnesses light from any source, eliminating the need for regular battery replacements and ensuring reliable performance.

The watch is equipped with a perpetual calendar, automatically adjusting for varying month lengths and leap years, providing precise date tracking. Its dual-time feature allows users to easily switch between two time zones, a convenient function for frequent travelers. The chronograph function offers stopwatch capabilities, accurate to 1/20 second, suitable for timing events with precision. Additionally, the C720 includes an alarm feature and a 24-hour time display, enhancing its versatility for daily use.

Water resistance is rated at 100 meters, making it suitable for swimming and snorkeling but not for diving. The watch's bracelet, crafted from stainless steel, includes a fold-over clasp with a push-button release for secure and comfortable wear. The C720's design is characterized by a blend of polished and brushed finishes, delivering a timeless aesthetic appeal. Citizen's commitment to innovation and quality is evident in the C720, making it a reliable choice for those seeking a multifunctional watch with a classic touch.

Citizen C720 Watch F.A.Q.

How do I set the time on my Citizen C720 watch?

To set the time on your Citizen C720 watch, pull the crown out to the second click position. Rotate the crown to adjust the hour and minute hands to the desired time. Push the crown back in to start the watch.

What should I do if my Citizen C720 watch stops working?

If your Citizen C720 watch stops working, first check if the battery needs replacement. If the battery is fine, ensure the watch is not subjected to magnetic fields. If the issue persists, consult an authorized Citizen service center.

How can I adjust the date on my Citizen C720 watch?

To adjust the date on your Citizen C720, pull the crown out to the first click position. Turn the crown until the correct date appears. Avoid setting the date between 9 PM and 3 AM to prevent damage.

What is the water resistance level of the Citizen C720 watch?

The Citizen C720 watch is generally water-resistant up to 100 meters. This makes it suitable for swimming and snorkeling but not for diving. Always check the specific model for exact specifications.

How can I clean my Citizen C720 watch?

To clean your Citizen C720 watch, use a soft, damp cloth to wipe the case and band. Avoid using soap or detergents, as they can damage the watch. For metal bands, use a soft brush to remove dirt from the links.

Why is my Citizen C720 watch running fast or slow?

If your Citizen C720 watch is running fast or slow, it might be affected by magnetic fields or require calibration. Keep it away from electronics and consult an authorized service center if the issue continues.

How do I replace the battery in my Citizen C720 watch?

To replace the battery in your Citizen C720 watch, it's recommended to take it to an authorized service center to ensure proper handling and maintain water resistance.

What should I do if the watch glass on my Citizen C720 is scratched?

If the glass on your Citizen C720 watch is scratched, you can have it polished by a professional or replaced at an authorized service center to ensure the watch remains water-resistant.

How can I ensure the longevity of my Citizen C720 watch?

To ensure the longevity of your Citizen C720 watch, keep it clean, avoid extreme temperatures and magnetic fields, and have it serviced regularly by an authorized service center.

Can I change the band on my Citizen C720 watch?

Yes, you can change the band on your Citizen C720 watch. Ensure you choose a band compatible with the model and consider having it replaced by a professional to avoid damage.