Nothing CMF Watch 3 Pro

The Nothing CMF Watch 3 Pro arrived on July 22, 2025, and it brings a solid mix of durability, strong fitness tracking, and clean design. Since it focuses on efficiency rather than heavy features, the watch feels fast, simple, and reliable for daily wear.

Design and Durability

The watch measures 47 × 47 × 14.4 mm and weighs just 51 grams, so it feels comfortable on the wrist throughout the day. With a glass front and an aluminum frame, the build quality looks premium and sturdy. Moreover, the IP68 rating protects it from dust and water, allowing you to use it confidently during workouts or light swimming.

Display

The Nothing CMF Watch 3 Pro features a 1.43-inch AMOLED display with 650 nits brightness, which keeps the screen bright both indoors and outdoors. The 466 × 466 resolution also ensures crisp and clear visuals for notifications, health stats, and watch faces.

Performance and Memory

The watch includes 256 MB internal storage, which is enough for system functions and essential apps. Although it doesn’t support expandable storage, the lightweight software runs smoothly and responds quickly during daily use.

Connectivity

You get Bluetooth 5.3 with A2DP and LE, ensuring a stable connection to your smartphone. Besides that, the watch includes full GPS support with L1 + L5, along with GLONASS, GALILEO, BDS, and QZSS, so outdoor tracking becomes highly accurate.

Features and Sensors

The Nothing CMF Watch 3 Pro packs all essential health features, including an accelerometer, gyro, heart-rate sensor, and SpO₂ monitoring. Additionally, it supports SMS, email, and instant messaging, making notifications easy to manage from your wrist. Although there are no games or Java support, the watch focuses entirely on health and productivity.

Sound and Calling

The device includes a loudspeaker, allowing you to receive call alerts and listen to basic audio outputs. While it doesn’t include a 3.5mm jack, the Bluetooth connection handles audio notifications and call functions smoothly.

Battery

A 350 mAh Li-Ion battery powers the watch. With its efficient software and AMOLED screen, the battery easily lasts through daily usage without frequent charging.

Colors and Model

The Nothing CMF Watch 3 Pro comes in Dark Grey and Light Grey, offering clean and minimal color choices. It carries the model number D399.

Final Thoughts

Overall, the Nothing CMF Watch 3 Pro delivers a simple, efficient, and durable smartwatch experience. With strong GPS accuracy, essential health tracking, and clean design, it fits perfectly for users who need a dependable fitness and notification companion without extra complexity.