1. Product Overview
The Edillas Digital Watch for Boys, Model 869LB, is designed for children aged 7-15. It features a clear digital display, 7 colorful LED backlights, a precise stopwatch, and a reliable alarm clock. This watch is built to withstand daily activities with its 50-meter water resistance.

Key Features:
- Digital Time Display (Hour, Minute, Second, Day of Week)
- 7-Color LED Backlight
- 50M Water Resistance
- Stopwatch Function (1/100 second)
- Daily Alarm
- 12/24 Hour Format Option
2. Watch Components
Familiarize yourself with the watch's buttons and their primary functions:

- LIGHT Button (Top Left): Activates the backlight and cycles through the 7 LED colors.
- MODE Button (Bottom Left): Switches between Time Display, Alarm, and Stopwatch modes. Also used to enter and exit setting modes.
- START Button (Top Right): Used to start/stop the stopwatch and adjust flashing values during setting.
- RESET Button (Bottom Right): Used to reset the stopwatch, confirm settings, and toggle alarm ON/OFF.
3. Setup
3.1 Initial Power On
The watch comes with a pre-installed battery. If the display is off, press any button to activate it. The watch should display the current time.
3.2 Setting Time and Date
- From the Time Display mode, press the MODE button three times. The seconds digits will begin to flash.
- Press the RESET button to cycle through the settings: seconds → minutes → hours → date → month → day of week.
- While a value is flashing, use the START button to adjust it.
- To toggle between 12-hour (with AM/PM indicator) and 24-hour formats, press the START button when the hour digits are flashing.
- Once all desired settings are adjusted, press the MODE button to return to Time Display mode.
4. Operating Instructions
4.1 Time Display Mode
This is the default mode, showing the current time (hours, minutes, seconds) and the day of the week.
4.2 Using the Backlight
Press the LIGHT button to illuminate the display. Each press will cycle through the 7 available LED colors, providing visibility in low-light conditions.

4.3 Alarm Mode
- From Time Display mode, press the MODE button once to enter Alarm mode.
- In Alarm mode, press the RESET button to toggle the alarm ON or OFF. An alarm icon will appear/disappear on the display.
- To set the alarm time, press the MODE button twice from Time Display mode. The hour digits of the alarm will flash.
- Use the START button to adjust the flashing hour.
- Press the RESET button to move to the minute digits, then use the START button to adjust the minutes.
- Press the MODE button to exit alarm setting and return to Time Display mode.
4.4 Stopwatch Mode
- From Time Display mode, press the MODE button twice to enter Stopwatch mode. The display will show 00:00:00.
- Press the START button to begin timing.
- Press the START button again to pause timing.
- To resume timing after pausing, press START.
- To clear the stopwatch to zero, press the RESET button while the stopwatch is paused.
- Press the MODE button to return to Time Display mode.
5. Water Resistance
The Edillas Digital Watch is rated 50M (5 ATM) water-resistant. This rating indicates that the watch is suitable for:
- Hand washing
- Exposure to rain
- Splashing
- Cold baths
- Swimming in shallow water

Important: Do not press any buttons while the watch is submerged in water. Avoid hot water, steam, or prolonged exposure to extreme temperatures, as these can compromise the watch's water resistance and cause damage.
6. Maintenance
6.1 Cleaning
Wipe the watch regularly with a soft, dry cloth to remove dust and dirt. For more stubborn grime, use a slightly damp cloth with a mild soap solution, then dry the watch thoroughly with a clean, dry cloth.
6.2 Battery Replacement
The watch is powered by a standard watch battery. If the display dims significantly or functions become erratic, the battery may need to be replaced. It is recommended that battery replacement be performed by a qualified watch technician to ensure the watch's water resistance is properly maintained after opening.
6.3 Storage
When not in use, store the watch in a cool, dry place, away from direct sunlight, extreme temperatures, and strong magnetic fields.
7. Troubleshooting
- Display is blank or dim: The battery may be depleted. Consider replacing the battery.
- Time is incorrect: Re-set the time and date following the instructions in Section 3.2. Ensure the 12/24 hour format is correctly set.
- Alarm not sounding: Check if the alarm is activated (alarm icon visible) in Alarm mode. Verify that the alarm time is set correctly.
- Water inside the watch: If you observe moisture or water inside the watch, stop using it immediately. Do not attempt to open the watch yourself. Consult a professional watch repair service as soon as possible.
8. Specifications
| Feature | Detail |
|---|---|
| Model Number | 869LB |
| Display Type | Digital |
| Movement Type | Japanese Automatic |
| Power Source | Battery Powered |
| Water Resistance | 50 Meters (5 ATM) |
| Case Material | Acrylonitrile Butadiene Styrene |
| Band Material | Acrylonitrile Butadiene Styrene |
| Crystal Material | Acrylic |
| Case Diameter | 44.5 mm (1.75 inches) |
| Case Thickness | 17 mm (0.67 inches) |
| Band Width | 16 mm (0.63 inches) |
| Band Length | 240 mm (9.44 inches) |
| Product Weight | 18.14 g (0.04 lbs) |
| Max Fit Wrist | 22 cm (8.66 inches) |
| Min Fit Wrist | 15 cm (5.9 inches) |

9. Warranty and Support
9.1 Warranty Information
This Edillas Digital Watch comes with a limited warranty. Please refer to the product packaging or contact customer support for detailed terms and conditions regarding your warranty coverage.
9.2 Customer Support
For any questions, technical assistance, or warranty claims, please contact the manufacturer's support team:
Email: yadelaiaftersale@163.com
