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Oppo unveils Watch S with up to 10 days of battery life and skin temperature sensor in ultra-thin body

Despite its very thin body, the Oppo Watch S is said to have a battery life of up to ten days. (Image source: Oppo)
Despite its very thin body, the Oppo Watch S is said to have a battery life of up to ten days. (Image source: Oppo)
The brand-new Oppo Watch S is said to be particularly thin, stylish and durable. According to Oppo, the smartwatch features ECG measurement, a 3,000 nits bright AMOLED display, and has a battery life of four to ten days depending on usage.

After Oppo recently revealed numerous details about the Oppo Watch S, the smartwatch has just been officially unveiled. The smartwatch's design is based on the Oppo Watch X2, but the digital crown and button are now more discreetly integrated into the case without a bulge. At a thickness of 8.9 millimeters and a weight of 35 grams, the Oppo Watch S is also about a quarter thinner and lighter.

The round 1.46-inch AMOLED display has a resolution of 464 x 464 and an impressive peak brightness of 3,000 nits, making it similar in brightness to the Apple Watch Ultra 3. However, full brightness is only available during outdoor workouts; otherwise, it is limited to 1,500 nits in order to conserve battery life. When the always-on display is active, the battery is said to last four days, while in energy-saving mode, ten days of battery life is possible.
 


The slim metal case is water-resistant up to 5 ATM, so the watch can also be worn while swimming. In addition to a heart rate and SpO2 sensor, Oppo also incorporates an ECG and a skin temperature sensor, which allows the smartwatch to track sleep and over 100 sports, among other things. A GPS module records distance traveled while running and cycling. An NFC chip allows for contactless payments. The smartwatch runs ColorOS Watch 7.1 and is compatible with both Android smartphones and the Apple iPhone.

Price and availability

The Oppo Watch S will initially launch in China; details on an international launch are still pending.
 

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> Expert Reviews and News on Laptops, Smartphones and Tech Innovations > News > News Archive > Newsarchive 2025 10 > Oppo unveils Watch S with up to 10 days of battery life and skin temperature sensor in ultra-thin body
Hannes Brecher, 2025-10-16 (Update: 2025-10-16)