| Brand | OPPO |
| Model | Watch S |
| Release date | 16th October 2025 |
| Model Name | Watch S |
| Dial Colour | Silver, Black |
| Dial Shape | Round |
| Strap Colour | Green, Black |
| Strap Material | Rubber |
| Size | Large |
| Touchscreen | 1.46-inch AMOLED |
| Interchangeable Strap | Yes |
| Water Resistant | 5ATM + IP68 |
| Dial Material | Stainless Steel |
| Width | 44.98mm |
| Height | 44.98mm |
| Thickness | 8.9mm |
| Weight (g) | 35.00 |
| Sensor | eight-channel optical heart rate sensor, 16-channel optical pulse oximeter sensor, ECG sensor, a wrist temperature sensor, accelerometer, gyroscope, geomagnetic sensor, air pressure sensor, ambient light sensor, |
| Battery Life | Up to 10 days |
| Charge Time | 90 minutes |
| Charger Type | Wireless |
| Bluetooth | Yes |
| Bluetooth Version | 5.2 |
| Wi-Fi | Yes |
| GPS | Yes |
| Operating System | ColorOS Watch 7.1 |
| Compatible Operating System | Android 10 and later, and iOS 14 and newer |
| Processor Name | BES2800BP |
| Internal Memory | 4GB EMMC |
| Display Resolution | 464x464 |
| Display Type | AMOLED |
| Step Count | Yes |
| Calorie Count | Yes |
| Heart Rate Monitor | Yes |
| Altimeter | Yes |
| Compass | Yes |
| Calendar | Yes |
| Alarm Clock | Yes |
| Date & Time Display | Yes |
| Number of Buttons | 2 |
| Other Fitness Features | sleep tracking, sleep snoring assessment, sleep SpO2 level measurement, sleep quality score, sleep breathing rate monitoring |