Product Overview
The Casio Waveceptor WV200A-1AV is a robust and stylish digital watch designed for precision and durability. It features self-adjusting atomic timekeeping, ensuring accurate time, day, and date. With its multi-band atomic timekeeping, stopwatch, alarm timer, and world time functions, this timepiece is built to keep you on track, whether for daily use or global travel.

This image shows the front of the Casio Waveceptor WV200A-1AV watch, highlighting its digital display with current time, day, and date, along with indicators for alarm, signal reception, and water resistance.
Key Features
- Atomic Timekeeping: Self-adjusting time, day, and date via multi-band atomic timekeeping, including automatic adjustment for Daylight Saving Time.
- Water Resistance: Rated for 200 meters (660 feet), suitable for showering, swimming, surfing, and jet skiing.
- Digital Display: Large LCD readout with 12/24 hour formats.
- Multi-Language Day Display: Displays the day of the week in 9 different languages (ENG, ESP, FRA, POR, DEU, ITA, CHN, PYC, JPN).
- World Time: Features 48-city world time functionality.
- Chronograph & Alarm: Includes stopwatch and alarm timer functions.
- Illuminator: Auto EL backlight with afterglow for visibility in low light conditions.
This video provides a detailed look at the Casio Waveceptor WV200A-1AV watch, showcasing its design, digital display, and various functions such as the backlight and button operations.
Initial Setup
Upon first use or after a battery change, follow these steps to ensure your watch is set up correctly:
- Time Signal Reception: The watch is designed to automatically receive time calibration signals. For optimal reception, place the watch near a window at night. The watch will attempt to receive the signal between midnight and 5:00 AM.
- Setting Your Home City:
- In Timekeeping Mode, press and hold the ADJUST button until the city code starts to flash.
- Use the FORWARD or REVERSE buttons to select your home city code.
- Press the ADJUST button to confirm and exit the setting mode.
- Daylight Saving Time (DST) Setting:
- While the city code is flashing during Home City setting, press the MODE button to cycle through settings until DST appears.
- Use the FORWARD or REVERSE buttons to toggle DST ON or OFF.
- Press the ADJUST button to confirm.
- Manual Time/Date Adjustment: If automatic reception is not possible, you can manually set the time and date. Refer to the "Operating Modes" section for detailed instructions on manual adjustments.
Operating Modes
Your Casio Waveceptor watch features several modes accessible via the MODE button. Pressing the MODE button cycles through the modes in the following order:
Timekeeping Mode → World Time Mode → Stopwatch Mode → Timer Mode → Alarm Mode
Timekeeping Mode
This is the default mode, displaying the current time, day of the week, and date. The atomic timekeeping feature ensures this display is always accurate.
- To toggle between 12-hour and 24-hour formats, press the FORWARD button in Timekeeping Mode.
- To activate the Auto EL backlight, press the LIGHT button. The backlight will illuminate the display for a few seconds.
World Time Mode
View the current time in 48 different cities (time zones) around the world.
- From Timekeeping Mode, press MODE once to enter World Time Mode.
- Use the FORWARD or REVERSE buttons to scroll through city codes.
Stopwatch Mode
Measure elapsed time with precision.
- From World Time Mode, press MODE once to enter Stopwatch Mode.
- Press the FORWARD button to start/stop the stopwatch.
- Press the ADJUST button to reset the stopwatch to zero.
Timer Mode
Set a countdown timer for various activities.
- From Stopwatch Mode, press MODE once to enter Timer Mode.
- To set the timer, press and hold ADJUST until the timer digits flash. Use FORWARD/REVERSE to set the time, and MODE to move between hours/minutes/seconds.
- Press ADJUST to confirm.
- Press FORWARD to start/stop the timer.
Alarm Mode
Set daily alarms to remind you of important events.
- From Timer Mode, press MODE once to enter Alarm Mode.
- To set an alarm, press and hold ADJUST until the alarm time flashes. Use FORWARD/REVERSE to set the time.
- Press ADJUST to confirm.
- Press FORWARD to toggle the alarm ON/OFF.

This image displays the Casio Waveceptor WV200A-1AV watch from a side angle, showing the robust case and the various function buttons used for adjusting settings and navigating modes.
Care and Maintenance
- Water Resistance: While the watch is water resistant to 200M, avoid operating buttons underwater. After exposure to saltwater, rinse the watch with fresh water and wipe it dry.
- Cleaning: Wipe the watch with a soft, dry cloth. For stubborn dirt, use a soft cloth dampened with water and a mild neutral detergent, then wipe dry.
- Temperature Extremes: Avoid exposing the watch to extreme temperatures, direct sunlight for prolonged periods, or strong magnetic fields.
- Battery Replacement: The watch uses a single unknown battery. When the display becomes dim or functions are erratic, it may be time for a battery replacement. It is recommended to have the battery replaced by a qualified watch technician to ensure water resistance is maintained.
- Storage: When not in use for extended periods, store the watch in a cool, dry place away from direct sunlight.
Troubleshooting
| Issue | Possible Cause / Solution |
|---|---|
| Watch not receiving time signal. |
|
| Incorrect time or date displayed. |
|
| Display is dim or blank. |
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Product Specifications
| Feature | Detail |
|---|---|
| Model Number | WV200A-1AV |
| Brand | Casio |
| Movement | Quartz |
| Water Resistance | 200 meters (660 feet) |
| Product Dimensions | 1.54 x 1.9 x 0.49 inches |
| Item Weight | 1.45 ounces |
| Case Material | Resin |
| Band Material | Resin |
| Battery | 1 Unknown battery (included) |
Warranty and Support
For detailed warranty information, please refer to the warranty card included with your purchase or visit the official Casio website. Casio provides support for its products, including repair services and frequently asked questions.
For further assistance, you may contact Casio customer support directly. Keep your proof of purchase for any warranty claims.
Note: Warranty terms and conditions may vary by region.





