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Xiaomi reveals new luxury smartwatch with up to 21 days battery life

A close-up of the Xiaomi Watch S5.
ⓘ Xiaomi
A close-up of the Xiaomi Watch S5.
The Watch S5 is Xiaomi's latest smartwatch after launching the Watch 5 earlier this month with Wear OS. Showcased in multiple styles, the Watch S5 also boasts up to three weeks of battery life with a stainless steel design and upgraded health monitoring sensors, too. Xiaomi has teased when the Watch S5 will be available, too.

Xiaomi has just launched the Watch 5 globally. Powered by Wear OS, the new smartwatch rivals the Pixel Watch 4 and Galaxy Watch 8 (curr. $326 on Amazon) with a 930 mAh battery and a 1,500 nit AMOLED display. Rather than resting on its laurels, Xiaomi has now unveiled a successor to the Watch S4.

Also sold globally, the Watch S4 comes in two sizes. By the looks of things, Xiaomi only plans to replace the larger 47 mm variant later this month. Reportedly, the new Watch S5 will last up to 21 days on a single charge. An apparent 6-day improvement on its predecessor, this battery life coincides with Xiaomi including new sensors for more accurate health monitoring, too.

Also, the Watch S5 features 316L stainless steel, reduced bezel thickness and optional eSIM functionality. Seemingly, only the silver version with a beige leather strap will offer this functionality, though. Whether the modular design from older Watch S smartwatches returns remains unclear for now. Based on past performance, Xiaomi will release the Watch S5 globally later this year, too.

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> Expert Reviews and News on Laptops, Smartphones and Tech Innovations > News > News Archive > Newsarchive 2026 03 > Xiaomi reveals new luxury smartwatch with up to 21 days battery life
Alex Alderson, 2026-03-13 (Update: 2026-03-13)