OnePlus Watch Classic specifications
| Dimensions | 46.4 x 46.4 x 10.9 mm |
| Volume | 23.5 cc |
| Weight | 76 grams |
| Stand-by | depends on usage |
| Talk time | depends on usage |
| Announced | March 2021 |
| Status | No longer available |
| Watch | |
| Directional key | |
| Touchscreen | Capacitive |
| Voice command | |
| Color display | Adjustable display brightness, 16.777.216 colors (24 bits), Circular Super AMOLED, Always On feature |
| 1.39 inch |
| 454 x 454 pixels |
| 1:1 |
| 462 |
| 28.9% |
| Integrated antenna | |
| Dust and waterproof | IP68, 5 ATM |
| Gorilla Glass | |
| Stainless Steel | |
| Agenda | |
| Alarm clock | |
| Date and time notation | |
| Stopwatch & countdown timer | |
| Pedometer | |
| Instant messaging | |
| MMS | |
| SMS | |
| A-GPS | |
| Beidou | |
| Galileo | |
| GLONASS | |
| GPS receiver | |
| Microphone | |
| Internal memory | |
| 4 GB |
| Pogo pin | |
| Bluetooth | v5.0 |
| Battery | |
| 402 mAh |
| Ambient light sensor | |
| Barometer | |
| Gesture recognition | |
| Gyroscope | |
| Heart rate monitor | |
| With Android | Vanaf 6.0 |