Xiaomi Watch S3
Swappable magnetic bezels, dual-band GPS and a 466×466 AMOLED for under $150.
The Xiaomi Watch S3 (2024) is a smartwatch with a list price of $149 in our database. It is rated for about 15 days per charge, weighs 44 g with a 47 mm case and an AMOLED display, and includes built-in GPS and blood-oxygen (SpO₂). It works with both iPhone and Android.
Specs last updated
Specifications
What it is good at
- Long battery: rated about 15 days per charge, more than 94% of the smartwatches in our database.
- Good value: listed at $149, cheaper than 91% of the smartwatches in our database.
- Bright, vivid AMOLED display.
Best for
Features
Who should skip it
- You have a small wrist (under about 160 mm) — the 47 mm case we list is large (check whether a smaller size is sold).
Frequently asked questions
How long does the Xiaomi Watch S3 battery last?
The manufacturer rates it at about 15 days per charge. Always-on display, constant GPS and cellular use shorten that. Among the 35 smartwatches in our database it beats about 94% on rated battery life.
Does the Xiaomi Watch S3 work with iPhone and Android?
It works with both iPhone and Android.
Can I swim with the Xiaomi Watch S3?
5ATM is suitable for showering and pool swimming, but not for high-speed water sports or diving. It has no dedicated swim-tracking mode in our data.
How much does the Xiaomi Watch S3 cost?
Our database lists $149 (October 2026). That is the manufacturer's list price, not today's price. This page shows Amazon's current price and stock when we have a reading from the last day, and you should confirm it on the Amazon listing before you buy.
Who should not buy the Xiaomi Watch S3?
It is a poor fit if any of these apply. You have a small wrist (under about 160 mm) — the 47 mm case we list is large (check whether a smaller size is sold).