| key specs |
| Display Size | 49mm | 33mm |
| Compatible OS | iOS | - |
| Dial Shape | Rectangle | Round |
| Display Type | OLED Retina | AMOLED |
| Ideal For | Unisex | Unisex |
| Strap Colour | - | Black |
| general |
| Brand | Apple | Dizo |
| Model | Watch Ultra 2 | Watch R |
| Release date | September 12, 2023 | January 5, 2022 |
| Model Name | Watch Ultra 2 | Dizo Watch R |
| Dial Shape | Rectangle | Round |
| Size | Large | - |
| Touchscreen | Yes | - |
| Water Resistant | Yes | Yes |
| Water Resistance Depth | 100m | 5ATM |
| Usage | Fitness & Outdoor | Fitness & Outdoor |
| Ideal For | Unisex | Unisex |
| Dial Colour | - | Black |
| Strap Colour | - | Black |
| Dial Material | - | Aluminium |
| product details |
| Maximum Operating Altitude | 9000 | - |
| Sensor | Compass, Always-On Altimeter, heart rate sensor, Accelerometer, Gyroscope, and Ambient light sensor | Blood Oxygen Monitor, Heart Rate Monitor |
| Compatible Device | iOS | Android, iOS |
| Notification | Yes | Call, Text, Social Media |
| Battery Type | Lithium Ion | - |
| Battery Life | 36 Hours | 10 Days |
| Rechargeable Battery | Yes | - |
| Other Features | - | Always on display, 150 watch faces |
| connectivity features |
| Call Function | Yes | - |
| Bluetooth | Yes | - |
| Wi-Fi | Yes | - |
| GPS | Yes | - |
| Call Features | International Emergency Calling | - |
| Other Connectivity Features | Emergency SOS | Smart notifications |
| Messaging Support | - | Yes |
| platform and storage features |
| Operating System | watchOS 10 | - |
| Compatible Operating System | iOS | - |
| Processor Name | S9 SiP | - |
| camera and display features |
| Display Size | 49mm | 33mm |
| Display Type | OLED Retina | AMOLED |
| Backlight Display | Yes | - |
| Other Display Features | LTPO OLED Always-On Retina display | - |
| Display Resolution | - | 390x360 |
| fitness and watch functions |
| Step Count | Yes | Yes |
| Calorie Count | Yes | - |
| Heart Rate Monitor | Yes | Yes |
| Altimeter | Yes | - |
| Compass | Yes | - |
| Calendar | Yes | - |
| Alarm Clock | Yes | - |
| Date & Time Display | Yes | Yes |
| Language | English | - |
| Other Fitness Features | Blood Oxgen Sensor, ECG sensor | Blood Oxygen Monitor, 24x7 Heart Rate Monitor, 110 Sports Mode |
| Number of Buttons | - | 2 |
| audio and video features |
| Speaker | Yes | - |
| Microphone | Yes | - |
| dimensions |
| Diameter | - | 9.9 |