Introduction
This manual provides essential instructions for the setup, operation, maintenance, and troubleshooting of your Fossil FTW4012 Explorist HR Smartwatch. Please read this guide thoroughly to ensure proper use and to maximize the functionality of your device.
Setup
1. Initial Charging
Before first use, fully charge your smartwatch. Connect the included USB charging cable to the charging contacts on the back of the watch and to a USB power source. The watch display will indicate charging status.

Image: Rear view of the Fossil FTW4012 Explorist HR Smartwatch, highlighting the circular charging contacts and heart rate sensor.
2. Powering On
Press and hold the crown button (center button on the right side) until the Fossil logo appears on the screen.
3. Pairing with Your Smartphone
- Ensure your smartphone is running Android OS (version 4.4+ excluding Go edition) or iOS (version 9.3+).
- Download and install the Wear OS by Google app from the Google Play Store or Apple App Store.
- Open the Wear OS by Google app on your smartphone and follow the on-screen instructions to pair your smartwatch.
- Accept all necessary permissions for full functionality.

Image: Front view of the Fossil FTW4012 Explorist HR Smartwatch displaying a dark watch face with the 'Wear OS by Google' logo in the bottom right corner.
Operating Instructions
Basic Navigation
- Touchscreen: Swipe up, down, left, or right to navigate menus and notifications. Tap to select items.
- Crown Button: Press to return to the watch face or access the app drawer. Rotate to scroll through lists.
- Side Buttons: Customizable for quick access to frequently used apps or functions.
Key Features
- Heart Rate Monitor: Track your heart rate throughout the day. Access this feature via the dedicated app on your watch or through a watch face complication.
- Smartphone Notifications: Receive alerts for calls, messages, and app notifications directly on your wrist.
- Google Assistant: Use voice commands to get information, set reminders, and control smart home devices.
- Google Pay: Make secure payments directly from your watch (availability may vary by region and bank).
- Google Weather: Get real-time weather updates for your location.
- Watch Apps: Download and install various applications from the Google Play Store directly on your watch.

Image: A visual representation of the Fossil Smartwatch's core functionalities, including heart rate tracking, weather display, mobile payment options, notification alerts, voice assistant, and available applications.

Image: Front view of the Fossil FTW4012 Explorist HR Smartwatch displaying a watch face with a prominent heart rate icon and reading.
Maintenance
Cleaning Your Smartwatch
To maintain the appearance and functionality of your smartwatch:
- Wipe the screen and case with a soft, lint-free cloth.
- For stainless steel components, a slightly damp cloth can be used. Avoid harsh chemicals or abrasive materials.
- Ensure the charging contacts on the back of the watch are clean and dry before charging.
Battery Care
- Charge the watch regularly to prevent deep discharge.
- Avoid exposing the watch to extreme temperatures, which can affect battery life.
Water Resistance
The Fossil FTW4012 Explorist HR Smartwatch is designed with water resistance. However, it is not suitable for diving or high-pressure water activities. Avoid prolonged submersion and exposure to soapy water or chemicals.
Troubleshooting
Common Issues and Solutions
- Watch not powering on: Ensure the watch is fully charged. Connect it to the charger for at least 30 minutes.
- Connectivity issues (Bluetooth/Wi-Fi): Ensure Bluetooth is enabled on your phone and the watch. Restart both devices. Check Wi-Fi connection settings on the watch.
- Poor battery life: Adjust display brightness, disable always-on display, limit background app refresh, and turn off unnecessary features like GPS or Wi-Fi when not in use.
- Slow performance or freezing: Restart the watch by holding the crown button until the power menu appears, then select 'Restart'. If the issue persists, consider a factory reset (note: this will erase all data on the watch).
- Heart rate sensor not working: Ensure the watch is worn snugly on your wrist. Clean the sensor on the back of the watch.
Factory Reset
A factory reset will erase all data and settings on your smartwatch and return it to its original factory state. This can resolve persistent software issues. To perform a factory reset, navigate to Settings > System > Disconnect & Reset on your watch.
Specifications
| Feature | Detail |
|---|---|
| Brand | Fossil |
| Model | FTW4012 |
| Item Shape | Round |
| Material | Stainless Steel |
| Product Dimensions | 11.18 x 11.18 x 8.13 cm |
| Item Weight | 142 g |
| Display Technology | AMOLED |
| Standing Screen Display Size | 45 Millimetres |
| Resolution | 390 x 390 |
| Operating System | Android (Wear OS by Google) |
| Memory Storage Capacity | 4 GB |
| RAM Memory Installed Size | 512 MB |
| Battery Type | Lithium Ion |
| Battery Average Life | Up to 24 Hours (usage dependent) |
| Wireless Type | 802.11bgn, Bluetooth |
| Connectivity Technology | GPS, USB |
| Special Features | Heart Rate Monitor, Microphone, Touchscreen |
| Compatible Devices | Smartphone (Android 4.4+, iOS 9.3+) |
Warranty and Support
Your Fossil FTW4012 Explorist HR Smartwatch comes with a warranty. Please refer to the included Warranty Booklet for detailed information regarding coverage, terms, and conditions. For further assistance or technical support, please visit the official Fossil website or contact their customer service.




