| key specs |
| Display Size | 49mm | 41mm |
| Dial Shape | Rectangle | Rectangle |
| Display Type | OLED Retina | AMOLED |
| Ideal For | Unisex | - |
| Compatible OS | - | HarmonyOS 2 and above, Android 6.0 and above, iOS 9.0 and above |
| general |
| Brand | Apple | Huawei |
| Model | Watch Ultra | Watch D |
| Release date | September 7, 2022 | December 23, 2021 |
| Model Name | Watch Ultra | Watch D |
| Dial Shape | Rectangle | Rectangle |
| Size | Large | - |
| Touchscreen | Yes | Yes |
| Water Resistant | Yes | Yes |
| Water Resistance Depth | 40m | - |
| Usage | Fitness & Outdoor | - |
| Ideal For | Unisex | - |
| Model Number | - | MLY-B10 |
| Dial Colour | - | Obsidian Black |
| product details |
| Sensor | Compass, Always-On Altimeter, third-gen optical heart rate sensor, Accelerometer, Gyroscope, and Ambient light sensor | - |
| Notification | Yes | - |
| Battery Type | Lithium Ion | Lithium-ion polymer |
| Rechargeable Battery | Yes | - |
| Battery Life | - | 168 |
| Charge Time | - | 150 |
| connectivity features |
| Call Function | Yes | Yes |
| Bluetooth | Yes | Yes |
| Wi-Fi | Yes | - |
| GPS | Yes | - |
| Call Features | International Emergency Calling | - |
| Other Connectivity Features | Emergency SOS | - |
| Bluetooth Version | - | v5.1 |
| platform and storage features |
| Operating System | watchOS 9 | HarmonyOS |
| Compatible Operating System | - | HarmonyOS 2 and above, Android 6.0 and above, iOS 9.0 and above |
| camera and display features |
| Display Size | 49mm | 41mm |
| Display Type | OLED Retina | AMOLED |
| Backlight Display | Yes | - |
| Other Display Features | LTPO OLED Always-On Retina display | - |
| Display Resolution | - | 280 x 456 Pixels |
| fitness and watch functions |
| Step Count | Yes | - |
| Calorie Count | Yes | - |
| Heart Rate Monitor | Yes | - |
| Altimeter | Yes | - |
| Compass | Yes | - |
| Calendar | Yes | - |
| Alarm Clock | Yes | Yes |
| Date & Time Display | Yes | Yes |
| Language | English | - |
| Other Fitness Features | Blood Oxgen Sensor, ECG sensor | - |
| audio and video features |
| Speaker | Yes | - |
| Microphone | Yes | - |
| dimensions |
| Width | - | 51 |
| Height | - | 38 |
| Thickness | - | 13.6 |
| Weight (g) | - | 40.90 |