Introduction
Thank you for choosing the cofuo Kids Digital Sport Watch. This durable and multi-functional timepiece is designed for active children, offering features like water resistance, a stopwatch, alarm, and clear digital display. This manual provides essential information for setting up, operating, and maintaining your watch.

Figure 1: Front view of the cofuo Kids Digital Sport Watch.
Key Features
- Waterproof and Shockproof: 164Ft / 50M water-resistant, suitable for handwashing, swimming, and water sports. Designed to withstand drops from up to 2 meters.
- Comfortable Design: Features a soft environmental-friendly silicone rubber strap and durable rubber case with a stainless steel case back for comfortable wear.
- Intelligent Multi-Function: Includes stopwatch, date, hour, minute, calendar, and alarm clock.
- Easy-to-Read Display: EL night-light, large dial, and clear numbers for easy time reading in dark environments.
- Precise Timekeeping: Original Japanese digital movement ensures accurate time.
- Dual Time Display: Allows for displaying two different time zones.

Figure 2: Overview of watch components and materials.
Setup
The cofuo Kids Digital Sport Watch is designed for easy setup. Upon first use, you may need to set the current time and date.
Identifying Buttons:

Figure 3: Watch button functions.
Setting Time and Date:
- Press the MODE button repeatedly until the time setting mode is displayed (usually indicated by flashing digits).
- Use the START/STOP button to adjust the flashing digit (hours, minutes, etc.).
- Use the RESET button to move to the next digit or setting (e.g., from hours to minutes, or to date settings).
- Once all settings are correct, press the MODE button again to exit the setting mode.
Operating Instructions
Using the EL Backlight:
To illuminate the display in dark conditions, press the LIGHT button. The backlight will activate for a few seconds, allowing you to read the time clearly.

Figure 4: Normal display mode vs. EL Light display mode.
Alarm Function:
The watch features an alarm function to help children manage their schedule. To set the alarm:
- Press the MODE button until the alarm setting mode is displayed.
- Use the START/STOP button to adjust the alarm time.
- Use the RESET button to switch between hours and minutes.
- Press the MODE button to confirm and exit.
- To activate/deactivate the alarm, press the ALARM button (refer to Figure 3 for location).
Stopwatch Function:
To use the stopwatch:
- Press the MODE button until the stopwatch mode is displayed (usually showing "00:00:00").
- Press START/STOP to begin timing.
- Press START/STOP again to pause/resume timing.
- Press RESET to clear the stopwatch to zero.
Water Resistance:
This watch is water-resistant up to 50 meters (164 feet). It is suitable for daily use, handwashing, and swimming. IMPORTANT: Do NOT press any buttons while the watch is underwater. Avoid wearing the watch during hot showers or prolonged underwater activities like diving, as this can compromise the water resistance.

Figure 5: Water resistance capabilities.
Maintenance
- Cleaning: Wipe the watch regularly with a soft, damp cloth to remove dirt and sweat. Avoid using harsh chemicals or abrasive materials.
- Battery: The watch uses 1 CR2 battery (included). When the display dims or functions become erratic, it may be time to replace the battery. Battery replacement should ideally be performed by a qualified watch technician to ensure water resistance is maintained.
- Storage: Store the watch in a cool, dry place away from direct sunlight and extreme temperatures when not in use.
- Impact: While shockproof, avoid unnecessary harsh impacts to prolong the life of the watch.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Display is dim or blank. | Low battery. | Replace the battery (CR2). |
| Time/Date is incorrect. | Not set correctly or reset due to battery change. | Follow "Setting Time and Date" instructions in the Setup section. |
| Water inside the watch / Fogging. | Buttons pressed underwater, exposure to hot water/steam, or seal compromise. | Stop using the watch immediately. Take it to a professional watch repair service. Do not attempt to dry it yourself. |
| Alarm not sounding. | Alarm not activated or set incorrectly. | Ensure the alarm is turned ON and the time is set correctly. Refer to "Alarm Function" instructions. |
Specifications
| Attribute | Detail |
|---|---|
| Brand | cofuo |
| Model Number | CF-1163-Black |
| Product Dimensions | 9.65 x 0.79 x 0.67 inches |
| Item Weight | 2.89 ounces |
| Water Resistance Depth | 50 Meters (164 Feet) |
| Battery Type | 1 CR2 battery (included) |
| Band Material | PU (Polyurethane) |
| Case Material | ABS (Acrylonitrile Butadiene Styrene) |
| Movement | Japanese Digital Movement |

Figure 6: Detailed product dimensions and battery information.
Warranty and Support
For warranty information or technical support, please refer to the product packaging or contact cofuo customer service directly. Contact details are typically provided with your purchase or on the manufacturer's official website.