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Home / Electronics / Smartwatches / OnePlus Watch 3
7.7 Tested Aug 19, 2026 by Team RankingRight

OnePlus Watch 3 (46 mm) review 2026

A full Wear OS watch that lasts five days by switching to a second low-power chip — the longest battery of any Google-app watch

PriceFrom $329.99 · checked Sep 11, 2026
HR error vs strap2.7 bpm
Battery (measured)5 days

Is the OnePlus Watch 3 Worth It?

Best battery on Wear OS. The OnePlus Watch 3 solves Wear OS's battery problem without giving up Google's apps, and it is built like a watch twice the price. It comes in one large size and its health app is basic.

OnePlus Watch 3 Pros & Cons

Pros
  • Five days measured with full Wear OS and always-on display
  • Sapphire glass and a titanium bezel
  • Google Wallet, Maps and Play Store apps
  • Dual-band GPS
Cons
  • Big — 46 mm only
  • Heart rate accuracy mid-pack
  • OHealth app is thinner than Fitbit or Samsung Health

OnePlus Watch 3 at a Glance

7.7 Editor Score
Health & fitness accuracyHeart rate against a chest strap on runs and intervals, GPS distance against a reference on a measured 5K, sleep staging consistency, ECG and SpO2 where offered.
23/30
BatteryMeasured days per charge with always-on display and daily 30-minute GPS workout.
16/20
Smart features & ecosystemNotifications and replies, payments, apps, calls, phone compatibility, safety features.
16/20
Design & displayScreen brightness and readability outdoors, size options, materials, water rating, comfort in sleep.
9/10
ValuePrice and any subscription needed for headline features.
13/20
Reader ratingNo reader ratings yet — not part of the score
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Own one? Rate it:

Rubric v1: Health & fitness accuracy 30 · Battery 20 · Smart features & ecosystem 20 · Design & display 10 · Value 20. Score = Σ ÷ 10, locked Sep 11, 2026. How we rank.

Where to buy — prices checked Sep 11, 2026

Impact.com — $329.99

Best priceSee Price

OnePlus — $329.99

Also sold atSee Price

Amazon — $329.99

Also sold atSee Price

OnePlus Watch 3 specifications

Works withAndroid only
Battery (measured)5 days
GPSDual-band
ECGYes (ECG app)
LTE optionNo
Water rating5 ATM, IP68
DisplayAMOLED, sapphire
Sizes46 mm
Subscription for featuresNone

Why it scored 7.7

The OnePlus Watch 3 solves Wear OS's battery problem without giving up Google's apps, and it is built like a watch twice the price. It comes in one large size and its health app is basic.

Where it loses

Size options; health app.

Still the right pick for

Android users who want Google apps and a week between charges.

OnePlus Watch 37.7 · $329.99
See Price