| key specs |
| Strap Colour | Black Viton, Brown Leather, Blue Leather | White, Yellow, Black, Orange, Blue |
| Display Size | 36mm | 40mm |
| Dial Shape | Round | Rectangle |
| Display Type | AMOLED | OLED Retina |
| Ideal For | Unisex | Unisex |
| general |
| Brand | Xiaomi | Apple |
| Model | Watch S1 | Watch SE GPS |
| Release date | December 28, 2021 | September 16, 2020 |
| Model Number | M2108W1 | - |
| Dial Colour | Silver | Silver, Space Grey, Gold |
| Dial Shape | Round | Rectangle |
| Strap Colour | Black Viton, Brown Leather, Blue Leather | White, Yellow, Black, Orange, Blue |
| Size | Regular | Regular |
| Touchscreen | Yes | Yes |
| Interchangeable Strap | Yes | - |
| Water Resistant | Yes | Yes |
| Water Resistance Depth | 5ATM | 50m |
| Dial Material | Stainless steel | Aluminium |
| Ideal For | Unisex | Unisex |
| Model Name | - | Watch Series SE GPS |
| Usage | - | Fitness & Outdoor |
| dimensions |
| Width | 46.5 | - |
| Height | 46.5 | - |
| Thickness | 11 | - |
| product details |
| Sensor | Heart rate sensor, SpO2 sensor, acceleration sensor, gyroscope, geomagnetic sensor, air pressure sensor, ambient light sensor | Compass, Always-On Altimeter, second-gen optical heart rate sensor, Accelerometer, Gyroscope, Ambient light sensor |
| Compatible Device | Android, iPhone | - |
| Notification | Yes | Yes |
| Battery Type | Li-ion polymer | Lithium Ion |
| Battery Life | 12 days | Up to 18 hours |
| Rechargeable Battery | - | Yes |
| connectivity features |
| Call Function | Yes | No |
| Bluetooth | Bluetooth | Yes |
| Bluetooth Version | v5.2 | 5.0 |
| Wi-Fi | Yes | Yes |
| GPS | Yes | Yes |
| Messaging Support | Yes | - |
| Call Features | Yes | - |
| camera and display features |
| Display Resolution | 466x466 | 324x394 pixels |
| Display Size | 36mm | 40mm |
| Display Type | AMOLED | OLED Retina |
| Backlight Display | Yes | Yes |
| Other Display Features | - | LTPO OLED Retina display (1000 nits brightness) |
| fitness and watch functions |
| Step Count | Yes | Yes |
| Calorie Count | Yes | Yes |
| Heart Rate Monitor | Yes | Yes |
| Calendar | Yes | Yes |
| Alarm Clock | Yes | Yes |
| Chronograph | Yes | - |
| Date & Time Display | Yes | Yes |
| Language | Simplified Chinese | English |
| Number of Buttons | 2 | - |
| Other Fitness Features | 117 sports modes | - |
| Altimeter | - | Yes |
| Compass | - | Yes |
| audio and video features |
| Speaker | Yes | Yes |
| Microphone | Yes | Yes |
| platform and storage features |
| Operating System | - | watchOS 7 |
| Number of Cores | - | dual-core |
| Processor Name | - | S5 with 64-bit Dual Core Processor |
| Internal Memory | - | 32GB |