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Xiaomi Watch S1
- Display: 1.43-inch AMOLED; 466 × 466
- Case and glass: Stainless steel case; sapphire glass
- Positioning: Dual-band GNSS: GPS, BeiDou, GLONASS, Galileo and QZSS
- Workout modes: 117 modes, including 19 professional modes; software dependent
- Battery: 470mAh lithium-ion polymer
- Battery life: Up to 12 days typical use or 24 days power saving in manufacturer testing
- Charging: Wireless charging dock
- Connectivity: Bluetooth 5.2; 2.4GHz Wi-Fi
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Xiaomi Watch S1 Highlights
- 470 mAh battery
- 1.43-inch OLED display at 60Hz
- 5 ATM water resistance
- 53 g weight
- Wi-Fi 4 wireless, with Bluetooth 5.2
- 466 × 466 screen resolution
Compare Xiaomi Watch S1 with Similar Products
Compare Xiaomi Watch S1 specs, features and price with similar smartwatches and alternatives.
Comparison full
0 spaces availableIdentity & design
| Specification | Xiaomi Watch S1 | OnePlus Watch 2R | Huawei Watch GT 6 | Apple Watch SE 2 |
|---|---|---|---|---|
| Brand | Xiaomi | OnePlus | Huawei | Apple |
| Model | Xiaomi Watch S1 | OnePlus Watch 2R | Huawei Watch GT 6 | Apple Watch SE 2 |
| Announced | 2021, December 28 | 2024, July 16 | 2025, September 19 | 2022, September 07 |
| Dimensions | 46.5 × 46.5 × 11 mm, excluding strap and protrusions | 47.6 × 46.6 × 12.1 mm; 13.65 mm including PPG sensor | 46 mm: 46 × 46 × 10.95 mm; 41 mm: 41.3 × 41.3 × 9.99 mm | 40mm: 40 × 34 × 10.7 mm; 44mm: 44 × 38 × 10.7 mm |
| Weight | 53 g (1.87 oz) | Approximately 37 g without strap; 59 g with strap | 46 mm: approximately 51.3 g (strap excluded); 41 mm: approximately 37.5 g (strap excluded) | 40mm: GPS 26.4 g, GPS + Cellular 27.8 g; 44mm: GPS 32.9 g, GPS + Cellular 33.0 g |
| Build materials | Stainless-steel case; sapphire glass | Aluminum-alloy case; plastic back | Stainless-steel case | Aluminum case |
| Wrist size | 165.1–225.1 mm (leather); 149.8–233.8 mm (fluororubber) | 140–210 mm | 46 mm: 140–210 mm; 41 mm: 120–180 mm; selected configurations support up to 190 mm | 40mm: 130–200 mm; 44mm: 140–245 mm |
| Strap / band | Calfskin leather and fluororubber | Silicone; stainless-steel buckle | 46 mm: fluoroelastomer, composite woven or composite leather options; 41 mm: fluoroelastomer, composite leather or Milanese options | Not specified |
| Controls / buttons | Dedicated sport button | Two side buttons and touchscreen | Home Button (Rotating Crown) and Side Button | Digital Crown with haptic feedback; side button |
Display
| Specification | Xiaomi Watch S1 | OnePlus Watch 2R | Huawei Watch GT 6 | Apple Watch SE 2 |
|---|---|---|---|---|
| Display | 1.43-inch AMOLED | 1.43-inch AMOLED | 46 mm: 1.47-inch AMOLED; 41 mm: 1.32-inch AMOLED | Retina LTPO OLED |
| Screen resolution | 466 × 466 pixels | 466 × 466 pixels; 326 ppi | 466 × 466 pixels; 46 mm: 317 ppi; 41 mm: 352 ppi | 40mm: 324 × 394 pixels; 44mm: 368 × 448 pixels |
| Display protection | Sapphire glass | 2D glass | Not specified | Ion-X glass |
| Display features | Always-on display; 60 Hz | 1000 nits (HBM) | Always-On Display supported | 1000 nits (peak) |
Performance & software
| Specification | Xiaomi Watch S1 | OnePlus Watch 2R | Huawei Watch GT 6 | Apple Watch SE 2 |
|---|---|---|---|---|
| Operating system | Proprietary OS | Wear OS 4; RTOS | HarmonyOS 6.0 | watchOS 9.0, upgradable to watchOS 26.6 |
| Processor | Not specified | Qualcomm Snapdragon W5 Gen 1; BES2700BP MCU | Not specified | Apple S8; 2-core Neural Engine |
| CPU | Not specified | Quad-core 1.7 GHz Cortex-A53 | Not specified | 64-bit dual-core |
| GPU | Not specified | Adreno 702 | Not specified | PowerVR |
| RAM | Not specified | 2 GB | Not specified | 1GB |
| Storage | Not specified | 32 GB | Not specified | 32 GB |
Connectivity
| Specification | Xiaomi Watch S1 | OnePlus Watch 2R | Huawei Watch GT 6 | Apple Watch SE 2 |
|---|---|---|---|---|
| Network / cellular | No cellular connectivity | No cellular connectivity | No cellular connectivity | GSM / HSPA / LTE |
| SIM / eSIM | No | No | No | eSIM |
| Wi-Fi | IEEE 802.11b/g/n, 2.4 GHz | Wi-Fi 2.4 GHz + 5 GHz | No | Wi-Fi 802.11 b/g/n |
| Bluetooth | Bluetooth 5.2 | Bluetooth 5.0 BLE | 2.4 GHz, supports BT6.0 and BR + BLE | 5.3, A2DP, LE |
| NFC | Supported; Mastercard payments (regional availability) | Supported | Supported | Supported; Apple Pay |
| Positioning / GNSS | Dual-band GPS; BeiDou; GLONASS; Galileo; QZSS | Dual-frequency L1 + L5; GPS; BeiDou; Galileo; GLONASS; QZSS | GPS (L1 + L5 Dual-band)/GLONASS/BeiDou(B1I + B1C + B2a Tri-band)/GALILEO(E1 + E5a Dual-band)/QZSS (L1 + L5 Dual-band)/NavIC | GPS, GLONASS, GALILEO, QZSS |
Audio & communication
| Specification | Xiaomi Watch S1 | OnePlus Watch 2R | Huawei Watch GT 6 | Apple Watch SE 2 |
|---|---|---|---|---|
| Speaker | Supported | Supported | Supported | Supported |
| Microphone | Supported | Supported | Supported | Supported |
| Calling | Bluetooth calling with a connected smartphone | Bluetooth calling with a connected smartphone | Bluetooth calling through a paired phone | Bluetooth calling; cellular calling on GPS + Cellular models |
Sensors, health & fitness
| Specification | Xiaomi Watch S1 | OnePlus Watch 2R | Huawei Watch GT 6 | Apple Watch SE 2 |
|---|---|---|---|---|
| Sensors | Heart-rate and blood-oxygen sensor; accelerometer; gyroscope; geomagnetic sensor; atmospheric-pressure sensor; ambient-light sensor | Accelerometer; gyroscope; optical heart-rate sensor; optical blood-oxygen sensor; geomagnetic sensor; ambient-light sensor; barometer | Accelerometer sensor; Gyroscope sensor; Magnetometer sensor; Optical heart rate sensor; Barometer sensor; Temperature sensor; Ambient light sensor | Second-generation optical heart sensor; compass; always-on altimeter; high-g accelerometer; high-dynamic-range gyroscope; ambient light sensor |
| Health & wellness features | Heart-rate, blood-oxygen, stress and breathing features; personal reference only | Heart rate; high and low heart-rate alerts; SpO₂ spot checks and all-day monitoring; stress; breathing exercises | Heart rate, blood oxygen, stress, skin temperature and cycle-tracking features; availability varies by market | Heart Rate app; high and low heart-rate notifications; irregular rhythm notifications; Medications, Mindfulness and Noise apps |
| Sleep tracking | Supported; short-nap data limitations apply | Deep, light and REM sleep; awake time; sleep score; breathing rate; SpO₂; snoring-risk assessment | HUAWEI TruSleep sleep tracking and breathing-awareness features | Sleep duration and sleep stages |
| Sports / workout modes | 117 workout modes, including 19 professional modes | 100+ sports modes | Multiple indoor and outdoor workout modes | Workout app with multiple workout types and automatic workout detection |
| Training & outdoor features | Automatic detection of supported walking, outdoor running and treadmill activities | Aerobic training effect; cardiorespiratory capacity; recovery time; heart-rate recovery; running form; track running | Route tracking, navigation, cycling power and running metrics | Pace metrics; compass and Backtrack |
| Safety & emergency features | Not specified | Not specified | Fall detection and emergency features where supported and configured | Emergency SOS; international emergency calling; Fall Detection; Crash Detection |
Battery & durability
| Specification | Xiaomi Watch S1 | OnePlus Watch 2R | Huawei Watch GT 6 | Apple Watch SE 2 |
|---|---|---|---|---|
| Battery capacity | 470 mAh lithium-ion polymer | 500 mAh | 46 mm: Li-Ion 867 mAh | Not specified |
| Battery life | Up to 12 days typical use; 24 days power-saving mode | Up to 100 hours smart mode; 48 hours heavy use; 12 days power saver | 46 mm: up to 21 days maximum use; up to 12 days typical use; up to 7 days with Always-On Display; 41 mm: up to 14 days maximum use; up to 7 days typical use; up to 5 days with Always-On Display | Up to 18 hours normal use |
| Charging | Wireless charging dock | Charging base with USB-C cable | Wireless charging | Magnetic charging to USB-C cable |
| Water resistance | 5 ATM | 5 ATM; IP68 | 5 ATM; IP69 | 50 m; swimproof |
| Durability / certifications | Not specified | IP68-rated dust and water resistance | IP69 | Not specified |
Compatibility
| Specification | Xiaomi Watch S1 | OnePlus Watch 2R | Huawei Watch GT 6 | Apple Watch SE 2 |
|---|---|---|---|---|
| Phone compatibility | Android 6.0 or later; iOS 10.0 or later | Android 8.0 or later; GMS 23.45.23 or later | Android 9.0 or later; iOS 13.0 or later | iPhone XS or later, including iPhone SE (2nd generation or later); iOS 18 or later |
| Companion app | Mi Fitness | OHealth | HUAWEI Health | Apple Watch app on iPhone |
| Colors | Black, Silver | Forest Green; Gunmetal Gray | Configuration-dependent | Midnight, Starlight, Silver |
Additional specifications
| Specification | Xiaomi Watch S1 | OnePlus Watch 2R | Huawei Watch GT 6 | Apple Watch SE 2 |
|---|---|---|---|---|
| Case material | 316L stainless steel | Aluminum alloy | Stainless steel | Not specified |
| Pixels per inch | 326 ppi | 326 ppi | Not specified | 326 ppi |
| Packing list | Watch; wireless charging dock; USB cable; user manual; additional fluororubber strap | Watch; charging base; strap; USB-C cable; safety guide; quick start guide | Watch × 1; Charging Cradle (including the charging cable) × 1; Quick Start Guide & Safety Information & Warranty Card × 1 | Not specified |
| Display | 1.43-inch AMOLED; 466 × 466 | Not specified | Not specified | Not specified |
| Case and glass | Stainless steel case; sapphire glass | Not specified | Not specified | Not specified |
| Positioning | Dual-band GNSS: GPS, BeiDou, GLONASS, Galileo and QZSS | Not specified | Not specified | Not specified |
| Workout modes | 117 modes, including 19 professional modes; software dependent | Not specified | Not specified | Not specified |
| Battery | 470mAh lithium-ion polymer | Not specified | Not specified | Not specified |
| Battery life | Up to 12 days typical use or 24 days power saving in manufacturer testing | Not specified | Not specified | Not specified |
| Bluetooth and Wi-Fi | Bluetooth 5.2; 2.4GHz Wi-Fi | Not specified | Not specified | Not specified |
| Dimensions | 46.5 × 46.5 × 11mm, excluding strap and local protrusions | Not specified | Not specified | Not specified |
| Water resistance | 5 ATM; restrictions apply | Not specified | Not specified | Not specified |
| Package contents | Watch, wireless charging dock, USB cable, manual and additional fluororubber strap | Not specified | Not specified | Not specified |
| Release status | Available. Released 2021, December 31 | Available. Released 2024, July 16 | Available. Released 2025, September 19 | Available. Released 2022, September 16 |
| Model numbers | M2108W1 | Not specified | Not specified | A2722, A2723, A2724, A2727, A2856, A2725, A2726, A2855, watch6,10, watch6,11, watch6,12, watch6,13 |
| Card slot | No | No | No | No |
| Camera | No | No | No | No |
| 3.5 mm headphone jack | No | No | No | No |
| USB | No | No | No | No |
| Radio | No | No | No | No |
| 2G bands | Not applicable | Not specified | Not specified | GSM 850 / 900 / 1800 / 1900 |
| 3G bands | Not applicable | Not specified | Not specified | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - International, China, HK; HSDPA 850 / 1700(AWS) / 1900 / 2100 - USA, LATAM, Canada |
| 4G bands | Not applicable | Not specified | Not specified | 1, 2, 3, 4, 5, 6, 7, 8, 18, 19, 20, 25, 26, 28, 39, 40, 41, 66 - International, China, HK; 1, 2, 3, 4, 5, 6, 7, 12, 13, 14, 17, 18, 19, 25, 26, 39, 40, 41, 66 - USA, LATAM, Canada |
| Network speed | No | Not specified | Not specified | HSPA, LTE |
| Peak brightness | Not specified | 600 nits default maximum; 1,000 nits high-brightness mode | Not specified | Up to 1,000 nits |
| Charging time | Not specified | 60 minutes to 100%; 10 minutes for 24 hours of use | Not specified | About 1.5 hours to 80% |
| Smart recognition | Not specified | Running; walking; cycling; swimming; rowing machine; elliptical | Not specified | Not specified |
| Third-party fitness apps | Not specified | Wear OS apps; Google apps; Google Health Connect; Strava | Not specified | Not specified |
| RTOS storage | Not specified | 4 GB eMMC | Not specified | Not specified |
| Charging input | Not specified | Not specified | 5V-10V DC/2A MAX | Not specified |
| Operating temperature | Not specified | Not specified | -20℃–+45℃ | Not specified |
| Cover / touchscreen | Not specified | Not specified | Not specified | Supported |
| SAR (US) | Not specified | Not specified | Not specified | 0.27 W/kg (head) 1.96 W/kg (body) |
| SAR (EU) | Not specified | Not specified | Not specified | 0.27 W/kg (head) 1.96 W/kg (body) |
| Battery type | Not specified | Not specified | Not specified | Rechargeable lithium-ion |
Specs
Xiaomi Watch S1 specifications
Identity & design
| Brand | Xiaomi |
|---|---|
| Model | Xiaomi Watch S1 |
| Announced | 2021, December 28 |
| Dimensions | 46.5 × 46.5 × 11 mm, excluding strap and protrusions |
| Weight | 53 g (1.87 oz) |
| Build materials | Stainless-steel case; sapphire glass |
| Wrist size | 165.1–225.1 mm (leather); 149.8–233.8 mm (fluororubber) |
| Strap / band | Calfskin leather and fluororubber |
| Controls / buttons | Dedicated sport button |
Display
| Display | 1.43-inch AMOLED |
|---|---|
| Screen resolution | 466 × 466 pixels |
| Display protection | Sapphire glass |
| Display features | Always-on display; 60 Hz |
| Pixels per inch | 326 ppi |
Performance & software
| Operating system | Proprietary OS |
|---|
Connectivity
| Network / cellular | No cellular connectivity |
|---|---|
| SIM / eSIM | No |
| Wi-Fi | IEEE 802.11b/g/n, 2.4 GHz |
| Bluetooth | Bluetooth 5.2 |
| NFC | Supported; Mastercard payments (regional availability) |
| Positioning / GNSS | Dual-band GPS; BeiDou; GLONASS; Galileo; QZSS |
| USB | No |
| Radio | No |
| Network speed | No |
Audio & communication
| Speaker | Supported |
|---|---|
| Microphone | Supported |
| Calling | Bluetooth calling with a connected smartphone |
Sensors, health & fitness
| Sensors | Heart-rate and blood-oxygen sensor; accelerometer; gyroscope; geomagnetic sensor; atmospheric-pressure sensor; ambient-light sensor |
|---|---|
| Health & wellness features | Heart-rate, blood-oxygen, stress and breathing features; personal reference only |
| Sleep tracking | Supported; short-nap data limitations apply |
| Sports / workout modes | 117 workout modes, including 19 professional modes |
| Training & outdoor features | Automatic detection of supported walking, outdoor running and treadmill activities |
Battery & durability
| Battery capacity | 470 mAh lithium-ion polymer |
|---|---|
| Battery life | Up to 12 days typical use; 24 days power-saving mode |
| Charging | Wireless charging dock |
| Water resistance | 5 ATM |
Compatibility
| Phone compatibility | Android 6.0 or later; iOS 10.0 or later |
|---|---|
| Companion app | Mi Fitness |
| Colors | Black, Silver |
Design
| Case material | 316L stainless steel |
|---|
System and package
| Packing list | Watch; wireless charging dock; USB cable; user manual; additional fluororubber strap |
|---|
Product details
| Display | 1.43-inch AMOLED; 466 × 466 |
|---|---|
| Case and glass | Stainless steel case; sapphire glass |
| Positioning | Dual-band GNSS: GPS, BeiDou, GLONASS, Galileo and QZSS |
| Workout modes | 117 modes, including 19 professional modes; software dependent |
| Battery | 470mAh lithium-ion polymer |
| Battery life | Up to 12 days typical use or 24 days power saving in manufacturer testing |
| Bluetooth and Wi-Fi | Bluetooth 5.2; 2.4GHz Wi-Fi |
| Dimensions | 46.5 × 46.5 × 11mm, excluding strap and local protrusions |
| Water resistance | 5 ATM; restrictions apply |
| Package contents | Watch, wireless charging dock, USB cable, manual and additional fluororubber strap |
General
| Release status | Available. Released 2021, December 31 |
|---|---|
| Model numbers | M2108W1 |
Memory & storage
| Card slot | No |
|---|
Cameras
| Camera | No |
|---|
Audio
| 3.5 mm headphone jack | No |
|---|