Introduction
This manual provides comprehensive instructions for the OWMSIC S51 Smartwatch. Please read this manual carefully before using the device to ensure proper operation and to maximize its features. Keep this manual for future reference.

Figure 1: OWMSIC S51 Smartwatch. This image displays the smartwatch with a round black screen and a light purple silicone band, featuring a silver casing and buckle.
1. Setup
1.1 Charging the Device
Before first use, fully charge your OWMSIC S51 Smartwatch. Connect the charging cable to the charging port on the back of the watch and plug the USB end into a compatible power adapter (not included) or a computer USB port. The watch display will indicate charging status.
- Charging time: Approximately 2 hours for a full charge.
- Battery type: Lithium-polymer.
1.2 Pairing with Your Smartphone
The OWMSIC S51 Smartwatch connects to your smartphone via Bluetooth for full functionality.
- Download the App: Search for the official OWMSIC companion app on your smartphone's app store (iOS App Store or Google Play Store). Install the app.
- Enable Bluetooth: Ensure Bluetooth is enabled on your smartphone.
- Open the App: Launch the OWMSIC app and follow the on-screen instructions to create an account or log in.
- Add Device: Within the app, navigate to the "Add Device" or "Pair Device" section. The app will search for available devices.
- Select Your Watch: Select "OWMSIC S51" from the list of found devices.
- Confirm Pairing: A pairing request may appear on both your watch and smartphone. Confirm the pairing on both devices.
- Synchronization: Once paired, the watch will synchronize data with the app.
For optimal performance, ensure your smartphone's operating system is up to date.
2. Operating Instructions
2.1 Basic Navigation
- Touch Screen: Swipe left/right, up/down to navigate through menus and features. Tap to select an option.
- Side Button: Press the side button to return to the home screen or to wake the device. A long press may access power options.
2.2 Making and Receiving Calls
The OWMSIC S51 Smartwatch supports HD Bluetooth calls when connected to your smartphone.
- Making Calls: Access the dialer or contact list on your watch. Tap to initiate a call. The call will be routed through your connected smartphone.
- Receiving Calls: When a call comes in, the watch will vibrate and display the caller ID. Tap the green icon to answer or the red icon to reject.
- Audio: The watch features a built-in high-quality speaker and HD microphone for clear communication.
2.3 Message Notifications
Receive notifications from SMS and social applications directly on your wrist.
- Setup: Ensure message notifications are enabled in the OWMSIC companion app on your smartphone for desired applications (e.g., WhatsApp, Facebook, Twitter, Instagram).
- Alerts: The watch will vibrate and display the message content upon arrival.
2.4 Health and Fitness Tracking
The smartwatch includes various health monitoring features:
- Heart Rate Monitor: Continuously or on-demand monitoring of your heart rate.
- Pedometer: Tracks your daily steps, distance, and calories burned.
- Sleep Monitor: Analyzes your sleep patterns and quality.
- Sports Modes: Select from various sports modes to track specific activities.
- GPS: Integrated GPS for accurate outdoor activity tracking.
Detailed data and historical trends can be viewed in the OWMSIC companion app.
3. Maintenance
3.1 Cleaning
- Wipe the watch screen and body with a soft, lint-free cloth.
- For stubborn stains, dampen the cloth slightly with water. Do not use harsh chemicals or abrasive cleaners.
- Ensure the charging contacts are clean and dry before charging.
3.2 Water Resistance
Refer to the product specifications for the exact water resistance rating. Generally, the watch is designed to withstand splashes and brief immersion, but it is not recommended for swimming or diving unless explicitly stated.
3.3 Battery Care
- Avoid extreme temperatures, which can affect battery life.
- Charge the watch regularly, avoiding complete discharge for extended periods.
4. Troubleshooting
4.1 Watch Not Turning On
- Ensure the watch is fully charged. Connect it to the charger for at least 30 minutes.
- Try pressing and holding the side button for 10-15 seconds to force a restart.
4.2 Cannot Pair with Smartphone
- Ensure Bluetooth is enabled on your smartphone and the watch.
- Make sure the watch is within Bluetooth range of your phone (typically 10 meters).
- Restart both your watch and smartphone.
- Clear the Bluetooth cache on your smartphone (if applicable).
- Forget the device in your smartphone's Bluetooth settings and try pairing again through the OWMSIC app.
- Ensure the OWMSIC app is updated to the latest version.
4.3 Notifications Not Appearing
- Verify that notifications are enabled for the specific apps in the OWMSIC companion app.
- Check your smartphone's notification settings to ensure the OWMSIC app has permission to send notifications.
- Ensure the watch is properly connected via Bluetooth.
4.4 Inaccurate Health Data
- Ensure the watch is worn snugly on your wrist, not too loose or too tight.
- Clean the sensors on the back of the watch.
- Note that health data from smartwatches is for reference only and should not be used for medical diagnosis.
5. Specifications
| Feature | Detail |
|---|---|
| Model Name | S51 |
| Brand | OWMSIC |
| Screen Size | 1.91 Inches |
| Connectivity | Bluetooth |
| Compatible Devices | Smartphone |
| Battery Type | Lithium-polymer |
| Rechargeable Battery | Yes |
| Memory Storage Capacity | 1 TB (Note: This capacity typically refers to cloud storage or a misprint, not internal device storage.) |
| GPS | Integrated GPS |
| Target Audience | Adults of all genders |
6. Warranty and Support
OWMSIC is committed to providing excellent products and customer service. For any questions or issues regarding your OWMSIC S51 Smartwatch, please contact our customer support.
- Software Updates: Information regarding guaranteed software updates is not available.
- Spare Parts: Information regarding the availability of spare parts is not available.
Please refer to your purchase documentation for specific warranty terms and conditions, if applicable.





