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CMF Watch Product Line

Developer	CMF by Nothing
Product family	CMF
Type	Activity trackers, Smart Watches
Released	CMF Watch Pro: September 26, 2023 (2023-09-26) CMF Watch Pro 2: July 8, 2024 (2024-07-08) CMF Watch 3 Pro: July 22, 2025 (2025-07-22)[1]
Operating system	Proprietary RTOS based CMF OS
Display	AMOLED (1.96 in, 1.32 in, 1.43 in)
Input	Touchscreen, physical button, navigation crown
Connectivity	Bluetooth 5.3, GPS / Dual-band GPS
Related	CMF by Nothing Nothing (company)
Website	www.nothing.tech/collections/watches/

The Nothing CMF Watch series is a line of smart activity trackers containing three entries as of July 2026 manufactured, developed, designed and marketed by Nothing as part of their CMF line, marketed as a budget smart watch/activity tracker running a custom made RTOS operating system providing both advantages and disadvantages. The 1st generation was first announced on September, 26th 2023, alongside the CMF Power 65W GaN Charger and the CMF Buds Pro^[2].

The watch measures 18.3 mm × 44.6 mm × 11.2 mm (0.72 in × 1.76 in × 0.44 in), without the strap, with a weight of 23 grams (0.81 oz). It features a 0.95-inch (24 mm) 120x240 AMOLED touchscreen display, with 32MB of internal storage and 2MB of RAM. It contains a 120 mAh battery, and has an accelerometer, gyroscope, and heartrate sensor. It is also rated waterproof up to 5ATM.^[3] The watch can be charged wirelessly through near-field communication.^[4]

The Samsung Galaxy Fit 2 was announced on September 1, 2020, at the Samsung's Galaxy Unpacked event, alongside the Galaxy Z Fold .

The most current version is the CMF Watch 3 Pro which was released standalone in 2025, unlike many previous CMF announcements. The CMF Watch 3 Pro is notable for its budget price point of US$99/€99/£99 while often being discounted down to US$79.

The CMF Watch 3 Pro looks similar to the CMF Watch Pro 2 in design although it does not have the interchangeable bezel that its predecessor has^[5]. Another key difference between it and its predecessor is the physical size with both the screen size and case size being larger on the CMF Watch 3 Pro with it having a 47mm case and 1.43'' circular AMOLED 60Hz display capable of going up to 670 nits peak brightness compared to its predecessor having a 42mm case size and a almost identical but small 1.32'' display that only goes up to 620 nits peak brightness. Although since the display resolution did not change between the two staying at 466 x 466 pixels cropped to be round that means the CMF Watch Pro 2 has a clearer screen being 353ppi compared to the Watch 3 Pros 326ppi but in daily use the difference is barely noticeable^{[5] [6]} For the human interface devices both the CMF Watch Pro 2 and CMF Watch 3 Pro only feature a circular touchscreen and a rotation crown on the top right side of the case that doubles as a button for navigating the OS. Other notable ahrdware improvements from the CMF Watch Pro 2 are a better Dual-band (L1+L5) GPS compared to the Watch Pro 2s single band GPS and a better 4-channel optical heart rate sensor and a larger 350mAh battery increased from the 305 mAh battery if its predecessor. Other than whats mentioned above most other hardware specs did not change such as the watch using Bluetooth 5.3, 24/7 SpO2 monitoring, IP68 rated water resistance, a 22mm removable cross-compatible strap. The CMF Watch 3 Pro also has a different selection of avalable colours compared to the CMF Watch Pro 2, with the Watch 3 Pro coming in Orange, Light Green, Light Grey, Dark Grey and the Watch Pro 2 coming in Blue, Ash Grey, Orange, Dark Grey.