| key specs |
| Strap Colour | Green, Black | Extreme Night Black, Breaking Dawn Brown |
| Compatible OS | Android 10 and later, and iOS 14 and newer | Android, iOS |
| Strap Material | Rubber | Silicone |
| Dial Shape | Round | Rectangle |
| Display Type | AMOLED | - |
| Ideal For | - | Unisex |
| general |
| Brand | OPPO | Oppo |
| Model | Watch S | Watch 4 Pro |
| Release date | October 16, 2025 | August 29, 2023 |
| Model Name | Watch S | Oppo Watch 4 Pro |
| Dial Colour | Silver, Black | - |
| Dial Shape | Round | Rectangle |
| Strap Colour | Green, Black | Extreme Night Black, Breaking Dawn Brown |
| Strap Material | Rubber | Silicone |
| Size | Large | Regular |
| Touchscreen | 1.46-inch AMOLED | Yes |
| Interchangeable Strap | Yes | No |
| Water Resistant | 5ATM + IP68 | 5ATM |
| Dial Material | Stainless Steel | Stainless Steel |
| Usage | - | 14 days |
| Ideal For | - | Unisex |
| dimensions |
| Width | 44.98mm | 50.1 |
| Height | 44.98mm | 38.3 |
| Thickness | 8.9mm | 12.85 |
| Weight (g) | 35.00 | 52.30 |
| product details |
| 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, | Acceleration sensor, gyroscope sensor, geomagnetic sensor, optical heart rate sensor, blood oxygen sensor, ECG sensor, ambient light sensor, air pressure sensor, wrist temperature sensor |
| Battery Life | Up to 10 days | 14 days |
| Charge Time | 90 minutes | 65 minutes |
| Charger Type | Wireless | - |
| Compatible Device | - | Android, iOS |
| connectivity features |
| Bluetooth | Yes | Yes |
| Bluetooth Version | 5.2 | 5.0 |
| Wi-Fi | Yes | Yes |
| GPS | Yes | Yes |
| Call Function | - | Yes |
| platform and storage features |
| Operating System | ColorOS Watch 7.1 | - |
| Compatible Operating System | Android 10 and later, and iOS 14 and newer | Android, iOS |
| Processor Name | BES2800BP | Snapdragon W5, Hengxuan 2700 |
| Internal Memory | 4GB EMMC | 32GB |
| RAM | - | 2GB |
| camera and display features |
| Display Resolution | 464x464 | - |
| Display Type | AMOLED | - |
| fitness and watch functions |
| Step Count | Yes | - |
| Calorie Count | Yes | - |
| Heart Rate Monitor | Yes | Yes |
| Altimeter | Yes | - |
| Compass | Yes | - |
| Calendar | Yes | - |
| Alarm Clock | Yes | - |
| Date & Time Display | Yes | Yes |
| Number of Buttons | 2 | - |
| Other Fitness Features | sleep tracking, sleep snoring assessment, sleep SpO2 level measurement, sleep quality score, sleep breathing rate monitoring | - |