| key specs |
| Strap Colour | Black | White |
| Display Size | 36mm | 42mm |
| Compatible OS | Android, iOS | - |
| Dial Shape | Round | Rectangle |
| Display Type | AMOLED | OLED Retina |
| Ideal For | Unisex | Unisex |
| Strap Material | - | Rubber |
| general |
| Brand | Amazfit | Apple |
| Model | GTR 3 Pro | Watch Series 1 Smartwatch |
| Release date | October 11, 2021 | - |
| Dial Shape | Round | Rectangle |
| Size | Regular | Regular |
| Touchscreen | Yes | Yes |
| Interchangeable Strap | Yes | - |
| Water Resistant | Yes | Yes |
| Water Resistance Depth | 5 ATM | - |
| Dial Material | Aluminium | Aluminum |
| Ideal For | Unisex | Unisex |
| Strap Colour | Black | White |
| Dial Colour | Black | Black |
| Model Number | - | MNNL2HN/A |
| Model Name | - | Watch Series 1 |
| Strap Material | - | Rubber |
| Usage | - | Notifier |
| dimensions |
| Width | 46 | - |
| Height | 46 | - |
| Thickness | 10.7 | - |
| Weight (g) | 42.00 | - |
| product details |
| Sensor | Accelerometer Sensor, Barometer Sensor, Gyro Sensor, Light Sensor, Optical Heart Rate Sensor, SpO2 Sensor, Blood Pressure Monitor | Heart Rate Sensor, Accelerometer, Gyrometer |
| Compatible Device | Android, iPhone | Iphone 5, 5C, 5S, Se, 6, 6 Plus, 6S, 6S Plus, 7 Or 7 Plus And Ios 10 Or Later |
| Notification | Yes | - |
| Battery Type | Li-ion | - |
| Battery Life | 12 days | 18 hours |
| Charge Time | - | 90 min |
| Rechargeable Battery | - | Yes |
| Other Features | - | Splash Resistant2 (Apple Watch Series 1 Has A Water Resistance Rating Of Ipx7 Under Iec Standard 60529. Apple Watch Series 1 Is Splash And Water Resistant, But Submerging Apple Watch Series 1 Is Not Recommended) |
| connectivity features |
| Bluetooth | Bluetooth | Yes |
| Bluetooth Version | 5.0 | v4.0 |
| GPS | Yes | No |
| Messaging Support | Yes | - |
| Third Party App Support | Yes | - |
| Call Function | - | Yes |
| Wi-Fi | - | Yes |
| Other Connectivity Features | - | Wi-Fi (802.11B/G/N) |
| platform and storage features |
| Operating System | ZeppOS | 3 |
| Compatible Operating System | Android, iOS | - |
| Processor Name | - | S1P |
| camera and display features |
| Display Resolution | 480x480 | 312 x 390 Pixels |
| Display Size | 36mm | 42mm |
| Display Type | AMOLED | OLED Retina |
| Backlight Display | Yes | - |
| Other Display Features | - | Oled Retina Display With Force Touch (450 Nits) |
| fitness and watch functions |
| Step Count | Yes | - |
| Calorie Count | Yes | Yes |
| Heart Rate Monitor | Yes | Yes |
| Altimeter | Yes | - |
| Compass | Yes | - |
| Calendar | Yes | Yes |
| Alarm Clock | Yes | Yes |
| Chronograph | Yes | - |
| Date & Time Display | Yes | Date & Time |
| Language | English | - |
| Number of Buttons | 2 | - |
| Other Fitness Features | 150 sports mode | - |
| audio and video features |
| Speaker | Yes | - |
| Microphone | Yes | - |
| Voice Control | Yes | - |