1. Introduction
The Casio EDIFICE ECB-40PB-1AEF is a men's quartz analog-digital watch designed with motorsport inspiration, featuring a carbon fiber reinforced resin case and smartphone connectivity. It combines classic analog timekeeping with digital functions such as a calendar, Bluetooth, stopwatch, world time, alarm, and LED lighting.
This watch is built for durability and functionality, offering a blend of style and advanced features for daily wear and active lifestyles.

Image: Casio EDIFICE ECB-40PB-1AEF watch displaying its analog and digital features.
2. Setup
2.1 Initial Power On
Your watch comes with a nonstandard battery pre-installed. It is ready for immediate use upon removal from its packaging.
2.2 Time and Date Setting
The watch can be set manually or synchronized via Bluetooth with your smartphone.
- Manual Adjustment: Refer to the detailed instructions in the full Casio module manual (available on the Casio website) for button operations to set the analog and digital time, as well as the calendar (day-date).
- Bluetooth Synchronization: For automatic time and date adjustment, proceed to section 2.3.
2.3 Smartphone Connection (Bluetooth)
To unlock the full potential of your EDIFICE watch, connect it to the dedicated Casio EDIFICE Connected app on your smartphone.
- Download the Casio EDIFICE Connected app from your smartphone's app store (Google Play Store for Android, Apple App Store for iOS).
- Enable Bluetooth on your smartphone.
- Open the EDIFICE Connected app and follow the on-screen instructions to pair your watch. This typically involves pressing a specific watch button for a few seconds to initiate pairing mode.
- Once paired, the watch will automatically synchronize time, date, and world time settings with your phone.
Note: Ensure your smartphone's operating system and the EDIFICE Connected app are updated to their latest versions for optimal performance.
3. Operating Instructions
3.1 Mode Navigation
Use the mode button (typically located on the left side of the watch) to cycle through the different functions:
- Timekeeping Mode (default display)
- Stopwatch Mode
- World Time Mode
- Alarm Mode
3.2 Stopwatch Function
In Stopwatch Mode:
- Press the start/stop button (usually top right) to begin timing.
- Press again to stop.
- Press the reset button (usually bottom right) to clear the stopwatch.
3.3 World Time Function
In World Time Mode, you can view the current time in various cities around the globe. Use the adjustment buttons to scroll through different time zones. Synchronization with the EDIFICE Connected app allows for easy setting and management of world time cities.
3.4 Alarm Function
In Alarm Mode:
- Use the adjustment buttons to set the desired alarm time.
- Activate or deactivate the alarm using the designated button.
- The watch may feature multiple alarms and an hourly time signal.
3.5 LED Light
Press the light button (often located on the top left) to illuminate the watch face and digital display for improved visibility in low-light conditions.
3.6 Hand Shift Feature
If the analog hands obstruct the digital display, a hand shift feature allows you to temporarily move the hands out of the way. Consult the full module manual for specific button combinations to activate this function.
4. Maintenance
4.1 Water Resistance
Your Casio EDIFICE ECB-40PB-1AEF watch is water resistant up to 10 bars (100 meters). This means it is suitable for everyday use, swimming, and snorkeling. Do not operate buttons while the watch is wet or submerged.
4.2 Cleaning
Wipe the watch case and strap with a soft, dry cloth. For stubborn dirt, a slightly damp cloth can be used, followed by drying. Avoid using chemical cleaners or solvents, as these can damage the watch's materials.
4.3 Battery Replacement
The watch uses a nonstandard battery. When the battery power is low or depleted, it is recommended to have the battery replaced by an authorized Casio service center or a qualified watch technician to ensure proper sealing and water resistance.
5. Troubleshooting
5.1 Time/Date Incorrect
- Manual Adjustment: Follow the instructions in the full module manual to manually set the time and date.
- Bluetooth Sync: Ensure your watch is properly connected to the EDIFICE Connected app and that your smartphone's time is accurate. Initiate a manual synchronization from the app if necessary.
5.2 Bluetooth Connection Issues
- Check Bluetooth: Ensure Bluetooth is enabled on your smartphone and the watch is in pairing mode.
- App Status: Verify that the EDIFICE Connected app is running and updated. Try closing and reopening the app.
- Re-pairing: If issues persist, try unpairing the watch from your phone's Bluetooth settings and then re-pairing it through the EDIFICE Connected app.
- Interference: Move away from other electronic devices that might cause interference.
5.3 Digital Display Not Working
- Battery Check: The battery may be low or depleted. Refer to section 4.3 for battery replacement.
- Reset: Some issues can be resolved by performing a full reset. Consult the full module manual for instructions on how to perform a reset for your specific model.
5.4 Analog Hands Obstructing Digital Display
- Hand Shift Feature: Activate the hand shift feature as described in section 3.6 to temporarily move the hands.
6. Specifications
| Feature | Detail |
|---|---|
| Model Number | ECB-40PB-1AEF |
| Brand | Casio EDIFICE |
| Movement | Quartz (Analog-Digital) |
| Case Material | Carbon fiber reinforced resin |
| Case Diameter | 43 mm |
| Case Height | 13 mm |
| Case Color | Black |
| Dial Color | Black |
| Strap Material | Plastic |
| Strap Length | 21 cm |
| Strap Width | 23 mm |
| Water Resistance | 10 bars (100 meters) |
| Weight | 62 g |
| Battery Type | 1 Nonstandard Battery (included) |
| Functions | Calendar (Day-Date), Bluetooth, Stopwatch, World Time, Alarm, LED Lighting |
7. Warranty and Support
7.1 Warranty Information
Your Casio EDIFICE ECB-40PB-1AEF watch comes with a 2-year warranty from the date of purchase. This warranty covers manufacturing defects under normal use. Please retain your proof of purchase for warranty claims.
7.2 Customer Support
For further assistance, detailed module instructions, or warranty service, please visit the official Casio website or contact Casio customer support in your region. Contact information can typically be found on the Casio website under the 'Support' or 'Contact Us' sections.

