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Una Watch: Open-Source, Repairable Smartwatch
23 Sep
Summary
- Una Watch features a modular, repairable design.
- It offers open-source SDK, housing, and circuit boards.
- Users can 3D print custom accessories and mods.

The Una Watch has significantly reduced its price to $199, down from its initial Kickstarter offer of $350. This new price point makes it more accessible, but its truly captivating feature is its modular and repairable architecture. The watch is built with an open-source philosophy, extending to its SDK, casing, and internal circuit boards. This allows users to easily repair or upgrade components using standard tools and even 3D print custom accessories or modifications.
Users are encouraged to develop their own applications for the Una Watch, with AI coding assistance available to interpret documentation and generate code. This open approach extends to the hardware, enabling creative repurposing, such as converting the watch into a cycling computer. The device is equipped with dual-frequency GPS, continuous heart rate monitoring, a barometric altimeter, and a six-axis sensor suite, powered by a replaceable 280mAh battery with USB-C charging.