Product Overview
The Casio WS-B1000 Series Digital Watch is designed for active lifestyles, combining robust features with smartphone connectivity. This model, WS-B1000-8BV, features a step tracker, LED illuminator, 100M water resistance, and Bluetooth for automatic time adjustment and app integration.

Image: Front view of the Casio WS-B1000 Series Digital Watch in white, displaying the time, date, and various function labels such as "STEP TRACKER", "Bluetooth", "ILLUMINATOR", "ADJUST", "MODE", "LIGHT", and "START".
Key Features:
- Bluetooth Connectivity: Seamlessly connects to your smartphone for automatic time adjustment and customization via the CASIO WATCHES app.
- Step Tracker: Built-in accelerometer for step counting, daily goal display, and step reminder alerts.
- Multifunctional Timekeeping: Includes a 1/100-second stopwatch with 200 lap memory and a countdown timer (up to 60 minutes).
- Durable Design: 100-meter water resistance, lightweight resin case, and perforated urethane band for comfort and durability.
- LED Backlight: Amber LED backlight with afterglow for clear visibility in low light.
- Additional Functions: Full auto-calendar, five daily alarms, hourly time signal, and 12/24-hour format.
Setup Guide
Initial Setup:
- Charge/Activate: Ensure the watch has sufficient power. If the display is blank, expose it to light or press any button to activate.
- Download CASIO WATCHES App: Install the official CASIO WATCHES app on your smartphone from your device's app store.
- Enable Bluetooth: On your smartphone, ensure Bluetooth is turned on.
- Pairing:
On the watch, press and hold the CONNECT button (usually bottom-left) until the Bluetooth icon flashes or "PAIRING" appears.
Open the CASIO WATCHES app and follow the on-screen instructions to add a new watch. Select the WS-B1000 series model.
Confirm the pairing request on both the watch and the smartphone.
- Automatic Time Adjustment: Once paired, the watch will automatically adjust its time and date based on your smartphone's time.
Setting Time Manually (if not using Bluetooth):
- In Timekeeping Mode, press and hold the ADJUST button (top-left) until the city code starts flashing.
- Use the MODE button (bottom-left) to cycle through settings: City Code, DST, 12/24-hour format, Seconds, Hour, Minute, Year, Month, Day.
- Use the LIGHT button (top-right) and START button (bottom-right) to change the flashing value.
- Press ADJUST to exit the setting mode.
Operating Instructions
Mode Navigation:
Press the MODE button (bottom-left) to cycle through the different modes:
- Timekeeping Mode (current time, date, day)
- Step Tracker Mode (current step count, daily goal progress)
- Stopwatch Mode
- Countdown Timer Mode
- Alarm Mode
- World Time Mode
Using the Step Tracker:
- The watch automatically counts steps when worn.
- In Step Tracker Mode, the display shows your current step count and a graphic indicating progress towards your daily goal.
- Daily step goals can be set via the CASIO WATCHES app.
- The watch may provide a step reminder alert if activity levels are low for an extended period.
Stopwatch Function:
- Navigate to Stopwatch Mode.
- Press the START button (bottom-right) to start/stop the stopwatch.
- Press the LAP/RESET button (front-bottom) to record lap times while the stopwatch is running.
- When stopped, press LAP/RESET to reset the stopwatch to zero.
- The watch can store up to 200 lap times.
Countdown Timer:
- Navigate to Countdown Timer Mode.
- Press and hold ADJUST to enter setting mode.
- Use MODE to select minutes or seconds, and LIGHT/START to change values.
- Press ADJUST to confirm settings.
- Press START to begin the countdown. An alarm will sound when the timer reaches zero.
Using the LED Backlight:
Press the LIGHT button (top-right) to illuminate the display. The backlight will remain on for a few seconds (afterglow).
Maintenance
- Cleaning: Wipe the watch case and band with a soft, dry cloth. For stubborn dirt, use a mild soap solution and rinse thoroughly, then dry.
- Water Resistance: The watch is 100M water resistant. It is suitable for swimming and showering, but avoid operating buttons underwater. Do not use in hot water or saunas.
- Temperature Exposure: Avoid exposing the watch to extreme temperatures (below -10°C or above 60°C) or direct sunlight for prolonged periods.
- Chemicals: Keep the watch away from gasoline, cleaning solvents, aerosols, adhesives, paints, etc., as they may damage the resin case and band.
- Battery: The watch uses a 2-year battery. When the display becomes dim or functions are erratic, it may be time for battery replacement. Contact an authorized Casio service center for battery replacement to ensure water resistance is maintained.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Watch not connecting to phone via Bluetooth. | Bluetooth is off on phone/watch; app not open; watch not in pairing mode; interference. | Ensure Bluetooth is enabled on both devices. Open CASIO WATCHES app. Put watch in pairing mode (hold CONNECT button). Move closer to phone. Restart phone/watch. |
| Incorrect time/date displayed. | Not synced with phone; manual setting error; battery low. | Perform a manual sync via the app. Re-set time manually. Consider battery replacement if issues persist. |
| Step count inaccurate. | Incorrect personal data in app; watch not worn properly; unusual arm movements. | Verify height and weight settings in the CASIO WATCHES app. Wear the watch snugly on your wrist. Step counting may vary based on individual movement patterns. |
| Display is dim or blank. | Low battery. | Replace battery at an authorized service center. |
Specifications
- Model Number: WS-B1000-8BV
- Water Resistance: 100 meters (10 ATM)
- Battery Life: Approximately 2 years (CR2025)
- Connectivity: Bluetooth® Low Energy
- Step Count Range: 0 to 999,999 steps
- Stopwatch: 1/100-second, measuring capacity: 23:59'59.99'', lap memory: 200 records
- Countdown Timer: Measuring unit: 1 second, countdown range: 1 minute to 60 minutes
- Alarms: 5 daily alarms, hourly time signal
- Illumination: LED backlight (Super Illuminator) with afterglow
- Calendar: Full auto-calendar (to year 2099)
- Accuracy: ±15 seconds per month (without mobile link function)
- Case Material: Resin
- Band Material: Urethane
- Dimensions: 4.37 x 3.35 x 2.91 inches (Package Dimensions)
- Weight: 5.11 ounces (Package Weight)
Warranty and Support
Casio watches typically come with a manufacturer's warranty covering defects in materials and workmanship. Please refer to the warranty card included with your purchase for specific terms, conditions, and duration.
For technical support, service, or warranty claims, please visit the official Casio website or contact Casio customer service. You can also refer to the CASIO WATCHES app for additional support resources and frequently asked questions.
Online Resources:
- Official Casio Website: www.casio.com
- CASIO WATCHES App Support: Refer to the help section within the app.





