Oppo has launched the Watch S2 alongside its Find X10 smartphone series, adding personalised workout guidance and expanded health tracking. The smartwatch combines a slim stainless steel case with an AMOLED display and battery life reaching 10 days under specified conditions.
The company also unveiled a Titanium Moon colour option for its existing Watch X3. Both watches go on sale in China on September 24.
The Watch S2 starts at approximately $238, while the Titanium Moon Watch X3 costs around $418.
Slim design and brighter outdoor display
The Oppo Watch S2 features a 1.46-inch AMOLED screen with a 464 × 464-pixel resolution, according to Oppo’s official store listing.
Its stainless steel body measures 8.9mm thick, excluding the rear sensor bump, and weighs 34.5 grams.
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Buyers can choose Dynamic Orange, Mist Pink or Mountain Shadow Gray. Oppo has paired the watch with a segmented fluoroelastomer strap, which it describes as thinner and more breathable than previous designs.
The display provides 600 nits of standard brightness. It can reach a peak of 3,000 nits in selected outdoor sports modes under strong sunlight.
That distinction means the maximum brightness figure does not describe the screen’s output during ordinary use.
FatMax adds personalised workout targets
FatMax is a central addition to the Watch S2’s fitness features. It calculates a personalised fat-burning heart-rate target using height, weight, resting heart rate and VO2 max.
During exercise, the watch provides real-time prompts to help users remain within their target range. It also estimates the amounts of fat and carbohydrates burned during a workout.
These figures are estimates generated by the watch, rather than direct measurements of body-fat loss.
The Watch S2 supports more than 100 sports modes and includes dual-frequency GPS for outdoor route tracking.
Its sensor array comprises an eight-channel optical heart-rate sensor, a 16-channel blood-oxygen sensor, an ECG electrode and a temperature sensor.
A 60-second health check records 13 health metrics in one session. Other functions include sleep monitoring, sleep apnoea screening and all-day blood-oxygen tracking.
Together, these features extend monitoring beyond exercise to overnight sleep and readings collected throughout the day.
Dual-phone connectivity and battery options
The Watch S2 runs ColorOS Watch 17 and supports Fluid Cloud live updates. These include information such as transit details and food-delivery status.
Users can connect the watch to two smartphones simultaneously and receive notifications from both. Oppo also includes NFC support for transit cards and gesture controls.
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The company claims up to seven days of battery life with standard use. Battery-saver mode extends that figure to 10 days, while enabling the always-on display reduces it to around four days.
The headline battery figure therefore depends on the operating mode users select.
For durability, the Watch S2 carries a 5ATM water-resistance rating alongside IP69 and IP69K dust and water protection certifications.
