Introduction
This manual provides comprehensive instructions for the operation and maintenance of your Casio HDC-700 Series Analog-Digital Watch. Please read thoroughly to ensure proper use and longevity of your timepiece.

Image: Front view of the Casio HDC-700 watch, highlighting its analog hands and digital display. The watch features a black dial with white and orange accents, and a dark green resin strap.
Key Features
- 10-Year Battery Life
- Front Light Button for illumination
- 100M Water Resistance
- 3 Daily Alarms
- Stopwatch Function
- Countdown Timer
- Full Auto Calendar (up to year 2099)
- World Time Function
- Telememo Feature
- Module 5565

Image: A golden emblem indicating "10 Year Battery Life" for the Casio watch.
Setup
Setting the Time and Date
- Press the MODE button to cycle through the different modes until you reach the Timekeeping Mode.
- Press and hold the ADJ button until the city code starts flashing, indicating the setting screen.
- Use the SEARCH and MODE buttons to select the desired setting (e.g., city code, DST, 12/24-hour format, seconds, hour, minute, year, month, day).
- Use the ADJ button to change the selected value.
- Press the ADJ button again to exit the setting screen.
Adjusting Analog Hands
The analog hands are automatically synchronized with the digital time. If they are out of alignment, refer to the detailed manual for manual hand adjustment procedures. This model typically features automatic hand adjustment based on digital time settings.
Operating Instructions
Mode Navigation
Press the MODE button (located on the left side) to cycle through the following modes:
- Timekeeping Mode (displays current time and date)
- World Time Mode (displays time in various cities)
- Alarm Mode (set and activate alarms)
- Stopwatch Mode (measure elapsed time)
- Countdown Timer Mode (set a countdown)
- Telememo Mode (store phone numbers/names)
Backlight Function
Press the LIGHT button (located at the bottom center of the watch face) to illuminate the digital display and the analog markers for easy viewing in low-light conditions.
Video: A demonstration of the Casio HDC-700 watch, showing its analog and digital display, various buttons (ADJ, MODE, LIGHT, SEARCH), and how the backlight illuminates the watch face. The video also highlights the dark green resin strap and the overall rugged design.
Video: A review of the Casio HDC-700 watch, showcasing its features and design. The video demonstrates the watch's functionality, including the digital display and button operations.
Maintenance
Battery Life
The Casio HDC-700 is equipped with a 10-year battery, providing extended operation without frequent battery changes. When replacement is eventually needed, it is recommended to have it performed by an authorized service center to maintain water resistance.
Water Resistance
This watch is water resistant to 100 meters (330 feet). This makes it suitable for swimming and snorkeling. It is not recommended for scuba diving or high-impact water sports. Avoid operating buttons while the watch is wet or submerged to prevent water ingress.

Image: The Casio HDC-700 watch worn on a wrist, demonstrating its size and fit.
Troubleshooting
- Digital Display is Faint/Blank: Check battery level. If the battery is low, the display may dim or disappear.
- Analog Hands Not Matching Digital Time: Perform a manual hand alignment procedure as detailed in the full user manual (Module 5565).
- Buttons Not Responding: Ensure the watch is not in a locked mode. If submerged, avoid pressing buttons. Allow the watch to dry completely.
- Water Inside Watch: Immediately take the watch to an authorized service center. Do not attempt to open it yourself.
Specifications
| Feature | Detail |
|---|---|
| Model Number | HDC-700 |
| Case Diameter | 46.5mm |
| Water Resistance | 100m (330ft) |
| Battery Life | 10 Years (approx.) |
| Movement | Quartz |
| Case/Band Material | Resin |
| Module | 5565 |
Warranty and Support
For warranty information, service, or additional support, please refer to the official Casio website or contact Casio customer service. Keep your proof of purchase for warranty claims.
Official Casio Website: www.casio.com

Image: The Casio HDC-700 watch packaging box, featuring the Casio logo prominently.







