| key specs |
| Strap Colour | Extreme Night Black, Breaking Dawn Brown | Black, Brown, Blue, Brown Coco, Stainless Steel, Steel Mesh |
| Compatible OS | Android, iOS | - |
| Strap Material | Silicone | Silicone |
| Dial Shape | Rectangle | Round |
| Ideal For | Unisex | Unisex |
| Display Size | - | 44mm |
| general |
| Brand | Oppo | Fossil |
| Model | Watch 4 Pro | Gen 6 (44mm) |
| Release date | August 29, 2023 | August 31, 2021 |
| Model Name | Oppo Watch 4 Pro | Fossil Gen 6 |
| Dial Shape | Rectangle | Round |
| Strap Colour | Extreme Night Black, Breaking Dawn Brown | Black, Brown, Blue, Brown Coco, Stainless Steel, Steel Mesh |
| Strap Material | Silicone | Silicone |
| Size | Regular | - |
| Touchscreen | Yes | Yes |
| Interchangeable Strap | No | Yes |
| Water Resistant | 5ATM | 3ATM |
| Usage | 14 days | - |
| Dial Material | Stainless Steel | Stainless Steel |
| Ideal For | Unisex | Unisex |
| dimensions |
| Width | 50.1 | - |
| Height | 38.3 | - |
| Thickness | 12.85 | - |
| Weight (g) | 52.30 | - |
| product details |
| 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 | Accelerometer, Altimeter, Ambient Light, Compass, Gyroscope, Off-body IR, PPG Heart Rate, SPO2 |
| Compatible Device | Android, iOS | Android, iOS |
| Battery Life | 14 days | 24 Hours |
| Charge Time | 65 minutes | - |
| Closure | - | Buckle |
| Notification | - | Email, Text, Social Apps |
| Charger Type | - | Magnetic Pin |
| Rechargeable Battery | - | Yes |
| Other Features | - | Social watch faces, calendar alerts, control for smart home devices |
| connectivity features |
| Call Function | Yes | Yes |
| Bluetooth | Yes | Yes |
| Bluetooth Version | 5.0 | 5 |
| Wi-Fi | Yes | Yes |
| GPS | Yes | Yes |
| platform and storage features |
| Compatible Operating System | Android, iOS | - |
| RAM | 2GB | 1GB |
| Processor Name | Snapdragon W5, Hengxuan 2700 | Snapdragon 4100+ |
| Internal Memory | 32GB | 8GB |
| Operating System | - | Wear OS 2 |
| fitness and watch functions |
| Heart Rate Monitor | Yes | Yes |
| Date & Time Display | Yes | Yes |
| Step Count | - | Yes |
| Calorie Count | - | Yes |
| Altimeter | - | Yes |
| Compass | - | Yes |
| Calendar | - | Yes |
| Alarm Clock | - | Yes |
| Number of Buttons | - | 2 |
| camera and display features |
| Display Resolution | - | 416x416 |
| Display Size | - | 44mm |
| Other Display Features | - | Color AMOLED, 326ppi |
| audio and video features |
| Speaker | - | Yes |
| Microphone | - | Yes |
| Voice Control | - | Yes |