OnePlus Watch 3

The competition has not given up in the face of the success of the Apple Watch, and OnePlus intends to compete with Apple with its new OnePlus Watch 3.

The first impression of the OnePlus Watch 3 is striking due to its weight, which is noticeable, and its dimensions, which can easily be described as generous, but this makes it very sturdy and allows you to swim or shower with it. It is not affected by high temperatures and remains very readable in very sunny conditions, thanks to its brightness and large screen. The physical buttons and crown are very pleasant to use, and the silicone strap provided does not irritate the skin. If necessary, it can be easily replaced as it is a standard size.

The watch's operating system is a pleasure to use, and you'll find all the usual apps such as Spotify, Deezer, Strava, etc. Navigation is pleasant once you've learned the gestures, allowing you to switch from one use to another without too much difficulty or any issues with fluidity. However, the phone app that the OnePlus Watch 3 syncs with, OHealth, is unfortunately only available on Android—but Apple does the same thing with its watch and software ecosystem. It also suffers from numerous translation issues, which don't reflect well on the manufacturer.

In terms of sports and health, this smartwatch performs rather well. Its GPS is very accurate and provides realistic data, as does the heart rate monitor, which allows you to accurately track your heart rate, except when there are rapid changes in it. You can also track your sleep and blood oxygen levels for comprehensive monitoring.

The battery life of the OnePlus Watch 3 is a very pleasant surprise, lasting up to five consecutive days before needing to be recharged. You can squeeze out a little more by removing a few unnecessary measurements. It takes an hour to fully recharge.

Review of the OnePlus Watch 3 done by Julien Hany the 2025/09/19

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Technical specifications

Size and weight
47.6 in 11.75 in 46.6 in 81 oz
Height	46.6 in
Width	47.6 in
Depth	11.75 in
Weight	81 oz
Resistance
Waterproof	Yes
Splashproof	Yes
Dustproof	Yes
Ingress Protection	IP68
Hardware
Processor	Qualcomm Snapdragon W5 Gen 1
Storage capacity	32 MB
Radio	No
Headset plug	No
Microphone	Yes
Speaker	Yes
Wi-Fi	Yes
SIM card	No
Vibration	Yes
NFC	Yes
Qi wireless charging	Yes
Memory card	No