This Android smartwatch with '100-hour battery life' is one of my favorite Amazon deals right now
Briefly

The OnePlus Watch 2 builds upon the original by integrating both RTOS and Wear OS 4, offering the longest battery life in a smartwatch today.
With a stunning design featuring stainless steel and sapphire crystal, the OnePlus Watch 2 not only excels in style but also meets rigorous MIL-STD-810H durability standards.
Read at ZDNET
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