The Nothing Watch 3 Pro is a premium smartwatch featuring a 1.43-inch AMOLED display, Bluetooth calling, and 110+ sports modes. With 24/7 health monitoring, AI noise cancellation, and a long-lasting battery, it combines style, functionality, and durability for everyday use and fitness enthusiasts.
Key Features
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1.43-inch AMOLED display with Always-On Display support
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Bluetooth calling with built-in speaker and microphone
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110+ sports modes with auto workout detection
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24/7 heart rate and SpO₂ monitoring
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Sleep and stress tracking with relaxation reminders
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AI noise cancellation for clear calls
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Music and camera control
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Voice assistant support
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IP67 water resistance for sweat and rain
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Premium metal design with comfortable silicone strap
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Fast magnetic charging
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1 Year Official Warranty
Specifications
| Category | Details |
|---|---|
| Brand | Nothing |
| Model | Watch 3 Pro (D399) |
| Display Type | AMOLED |
| Display Size | 1.43 inches |
| Resolution | 466 × 466 pixels |
| Brightness | Up to 600 nits |
| Always-On Display | Supported |
| Build | Metal frame with curved edges |
| Strap Material | Silicone (multiple color options) |
| Water Resistance | IP67 (sweat and rain resistant) |
| Heart Rate Monitoring | 24/7 real-time |
| Blood Oxygen (SpO₂) | On-demand |
| Sleep Tracking | Detailed sleep analysis |
| Stress Monitoring | With relaxation reminders |
| Sports Modes | 110+ |
| Auto Workout Detection | Yes |
| Bluetooth Version | 5.3 (assumed) |
| Bluetooth Calling | Built-in speaker and microphone |
| Music Control | Playback and volume control |
| Camera Control | Remote shutter function |
| Voice Assistant | Supported |
| Battery Life | Several days (typical usage) |
| Charging | Fast charging via magnetic cable |
| App Support | Nothing Health app |
| Compatibility | Android & iOS |
Detailed Description
The Nothing Watch 3 Pro is designed for users who want a premium smartwatch experience. Its 1.43-inch AMOLED display delivers sharp visuals and bright colors, while the Always-On Display ensures key information is visible at a glance.
Stay active and healthy with 110+ sports modes, 24/7 heart rate, and SpO₂ monitoring, along with detailed sleep and stress tracking. The watch automatically detects workouts and provides real-time insights.
Bluetooth calling and AI noise cancellation make calls crystal clear, while built-in features like music control, camera shutter, and voice assistant support make everyday tasks easier.
The metal frame and curved design give the watch a premium look, while the lightweight silicone strap ensures comfort for all-day wear. With IP67 water resistance and fast magnetic charging, it is suitable for daily life and workouts.
Pros
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Stylish metal and AMOLED design
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Bluetooth calling with AI noise cancellation
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Long battery life for several days
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Extensive health and fitness tracking
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IP67 water-resistant
Cons
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Limited app ecosystem compared to full-featured smartwatches
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No GPS support
Verdict
The Nothing Watch 3 Pro is a stylish, functional, and durable smartwatch suitable for fitness enthusiasts and everyday users. It combines premium design, health monitoring, and Bluetooth calling in one compact device.

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