| key specs |
| Strap Colour | Black, Orange, Yellow and Blue | Black Viton, Brown Leather, Blue Leather |
| Display Size | 50mm | 36mm |
| Compatible OS | Android, iOS | - |
| Strap Material | Silicone | - |
| Dial Shape | Square | Round |
| Display Type | - | AMOLED |
| Ideal For | - | Unisex |
| general |
| Brand | Boult Audio | Xiaomi |
| Model | Crown | Watch S1 |
| Release date | July 13, 2023 | December 28, 2021 |
| Model Name | Crown | - |
| Dial Colour | Black | Silver |
| Dial Shape | Square | Round |
| Strap Colour | Black, Orange, Yellow and Blue | Black Viton, Brown Leather, Blue Leather |
| Strap Material | Silicone | - |
| Touchscreen | Yes | Yes |
| Water Resistant | IP67 | Yes |
| Dial Material | Metal | Stainless steel |
| Model Number | - | M2108W1 |
| Size | - | Regular |
| Interchangeable Strap | - | Yes |
| Water Resistance Depth | - | 5ATM |
| Ideal For | - | Unisex |
| dimensions |
| Height | 6mm | 46.5 |
| Width | - | 46.5 |
| Thickness | - | 11 |
| product details |
| Sensor | SpO2 sensor, Heart Rate tracker, Sleep tracker, Female health tracker | Heart rate sensor, SpO2 sensor, acceleration sensor, gyroscope, geomagnetic sensor, air pressure sensor, ambient light sensor |
| Compatible Device | Android, iOS | Android, iPhone |
| Notification | Yes | Yes |
| Notification Type | Smart Notification | - |
| Battery Type | Lithium Ion | Li-ion polymer |
| Battery Life | 7 Days | 12 days |
| Charge Time | 2.5 hours | - |
| Rechargeable Battery | Yes | - |
| Other Features | Inbuilt Alarm Clock, A Timer, A Stopwatch, Weather Monitoring, Sedentary Reminders And Inbuilt Mini Games | - |
| connectivity features |
| Call Function | Yes | Yes |
| Bluetooth | Bluetooth | Bluetooth |
| Bluetooth Version | Bluetooth 5.2 | v5.2 |
| Wi-Fi | - | Yes |
| GPS | - | Yes |
| Messaging Support | - | Yes |
| Call Features | - | Yes |
| platform and storage features |
| Compatible Operating System | Android, iOS | - |
| camera and display features |
| Display Resolution | 240 x 283 | 466x466 |
| Display Size | 50mm | 36mm |
| Other Display Features | 900 nits brightness | - |
| Display Type | - | AMOLED |
| Backlight Display | - | Yes |
| fitness and watch functions |
| Step Count | Yes | Yes |
| Calorie Count | Yes | Yes |
| Heart Rate Monitor | Yes | Yes |
| Calendar | Yes | Yes |
| Alarm Clock | Yes | Yes |
| Date & Time Display | Yes | Yes |
| Number of Buttons | 2 | 2 |
| Other Fitness Features | Activity Tracker, Breathe, Sedentary Reminder, Sleep Monitor, 100 sports modes | 117 sports modes |
| Other Watch Functions | Alarm Clock, Bluetooth Calling, Voice Assistance, In Built Mic & Speaker, Notifications, 150+ watch faces, Find My Feature | - |
| Chronograph | - | Yes |
| Language | - | Simplified Chinese |
| audio and video features |
| Speaker | Yes | Yes |
| Microphone | Yes | Yes |