Classiness brought to
black-tie party, Xiaomi Watch S1 will make
sure you look the part.
Stainless steel case
1.43" AMOLED display
rate and SpO₂
Sapphire glass Stainless steel case Leather strap
1.43" AMOLED display
Bluetooth® phone call
117 fitness modes
All-day heart rate and SpO₂ monitoring
Excellence and beauty masterfully
Large display, timeless beauty
A large 1.43" AMOLED display, built with advanced display and energy-saving technology, coated by the sapphire crystal, will give you an amazing visual experience, turning the slow passing by of time into an art. Supports always on display*
High refresh rate
Sapphire glass* is extremely hard and wear-resistant, with scratch resistance far exceeding that of ordinary glass. The finely carved sapphire glass glitters from every angle.
Stainless steel case
With its unique characteristics of corrosion-resistance and scratch-resistance, the 316L austenitic stainless steel was used for the watch case, making Xiaomi Watch S1 the most durable watch of Xiaomi watches.
traditional watch craftsmen, giving it that
precise, streamlined finish.
Showcase your taste with a
tilt of the wrist
Xiaomi Watch S1 offers two inbox straps: a premium
leather strap and a dirt-resistant fluororubber strap. One
for you to look the part for those special occasions, the
other to give you comfort for your exercises. Both straps
are lightweight, soft and skin-friendly.
exquisite, non-sticky to your skin when you sweat.
The natural fine grain gives it more elegance.
Built with advanced technology
Dual-band multi-system GPS
The built-in dual-band GNSS chip supports five major satellite positioning systems: GPS, BeiDou, GLONASS, Galileo, and QZSS, together with advanced optimization algorithms to achieve faster, more accurate positioning, giving you professional statistics.
Not only your business partner, but also your workout companion
117 workout modes
Supports 117 workout modes*, with 19 professional workout modes including basketball, tennis, swimming, HIIT and so much more. No matter what sports you are passionate about, Xiaomi Watch S1 has got you covered. The advanced hardware and software will make sure your workout statistics are accurately recorded.
Open water swimming
High-intensity interval training (HIIT)
Put it on and get moving
5 ATM water
rating of 50 meters, so feel free to wear it
during open water swimming or in the pool.
Move at will, one-tap
favorite workout with just one touch. Xiaomi
Watch S1 also supports auto-detection of
treadmill, outdoor running and walking.*
All-day comprehensive health monitoring
24-hour heart rate monitoring
Powerful multi-channel PPG bio-sensors with 24-hour heart rate
monitoring. With upgraded hardware and algorithms, the sensor
accurately monitors your heart rate even as you do high-intensity
exercise, and sends out alerts when your heart rate is too high,
giving you peace of mind at all times. It also automatically saves
your resting heart rate* curve from the previous 30 days,
continuously tracking health changes.
Heart rate alerts
High heart rate alerts*
Resting heart rate curve
Continuously tracks your heart rate
Blood oxygen measurement is particularly important
nowadays. Timely blood oxygen monitoring can help provide
a better picture of your physical condition. The advanced
hardware and software make continuous blood oxygen
monitoring possible throughout the day*. You can select the
measurement interval to stay on top of your health.
Improved sleep monitoring
35% Improved accuracy*
Supports sleep monitoring of long sleeps and sporadic naps*, records different sleep stages, helping you to know more about what's happening during your sleep to better develop healthier sleep habit.
*Accuracy improvement data from internal test, compared with Mi Watch.
More health features
Stay aware of your stress levels, and record daily and 30-day
stress trends to help you take everything in your stride.
Relieve physical and mental stress quickly by following the
displayed rhythms and doing breathing exercises for 1-5
The health index has been upgraded to support the setting of
durations and standing goals for medium- and high-intensity
activities* helping you to achieve a healthier lifestyle.
Long battery life
The Xiaomi Watch S1 is equipped with an extra-large 470 mAh
battery which greatly extends usage time, so you don't have to be
inconvenienced by frequent charging. With the all-new Xiaomi
Watch S1 magnetic wireless charging dock, you can charge quickly
no matter where you are.
Typical usage mode*
Power Saving Mode*
Upgrade your life
Free your hands with
Bluetooth® phone calls
watch with one touch and talk directly into the watch*, thanks
to the built-in microphone and speaker.
Easy cashless payment
on your wrist
supports NFC cashless payment*, for quick and easy
transactions with just a flick of the wrist.
Voice assistant at your
look up information and control your smart home
devices*, so you can solve things hands free.
require the watch's firmware to be upgraded to the latest version.
See your health at a
daily health statistics, such as heart rate, fitness and
sleep, providing a clear picture of your health. Data
synchronisation with Strava* and Apple Health* is
also supported*, helping you to become more self-
No worries, I’m here for
the bottom right of the watch three times in a row
to quickly dial your emergency contact and keep you
See specs >
*All images on this page are for demonstration purposes only and may differ from actual product.
*This product and its features are not designed to be a medical device, and are not intended to predict, diagnose, prevent, or cure any disease.
*Always on display: always on display for time is supported. Enabling this feature will greatly impact battery life;
*Sapphire glass: synthetic sapphire glass;
*All battery life testing data is derived from 70mai Lab. Battery life during actual use depends on various factors such as setup, operation, and usage environment, and may differ from laboratory results;
*Typical usage mode 12-day testing conditions: default factory settings with all-day heart rate monitoring enabled and with the default setting of once every 10 minutes. Received and displayed 100 push notifications per day; set two alarms per day; checked the watch display 200 times per day; received and displayed four incoming call notifications per day; 30 minutes of Bluetooth phone calls each week; connected headphones to play music for 30 minutes each week; performed two 30 minute outdoor sports sessions per week (GPS enabled); used NFC for contactless payments ten times per day.
*Power saving mode 24-day testing conditions: default factory settings with all-day heart rate monitoring and stress monitoring disabled and 24-hour uninterrupted step counting enabled. Received and displayed 100 push notifications per day, set two alarms per day, and checked the watch display 20 times each day. No outdoor sports.
*117 workout modes include 19 professional modes and 98 expanded workout modes. The number of workout modes varies depending on the software version. Please ensure that you have the latest software version;
*5 ATM water resistance: Xiaomi Watch S1 has a water resistance rating of 5 ATM (50 meters in depth). The rating is based on standard GB/T 30106-2013 and standard ISO 22810:2010. It can be worn in the swimming pool, while swimming near the shore, or during other shallow-water activities. However, It cannot be used in hot showers, sauna, or diving. Furthermore, avoid the watch being directly impacted by swift currents during water sports. The water-resistant level is not permanent and may decline over time. Please use the fluororubber strap for water sports.
*Resting heart rate: the number of heartbeats per minute when one is conscious and at rest. Xiaomi Watch S1 measures the daily resting heart rate by sampling heart rate data multiple times a day and combining it with activity data. The watch then saves the resting heart rate curve for the last 30 days, allowing the wearer to understand changes in their physical condition based on changes in their resting heart rate;
*Alerts for high heart rate need to be enabled manually;
*The blood oxygen monitoring (SpO₂) feature is not intended for diagnosis, prevention, monitoring, prediction, prognosis of any disease, investigation of physiological processes or any other medical purpose. All data and tracking should be used for well-being and personal reference only. If you feel uncomfortable, please rely on professional medical devices or consult a doctor for assistance.
*All-day blood oxygen monitoring mode needs to be manually enabled. Default monitoring is set to once every 30 minutes and can be adjusted to once every 10 minutes. This product is a non-medical device. Measurement data and results are for information purposes only and are not a basis for diagnosis and treatment;
*Sleep stage, average heart rate, and blood oxygen data will not display for sporadic naps less than three hours. The duration for sporadic nap detection is 20 minutes to 3 hours;
*NFC cashless payments only accepted at Mastercard® supported payment terminals. Mastercard® payment availability and NFC availability may vary by region.
*Alexa is not available in all languages and countries. Alexa features and functionality may vary by location. Amazon, Alexa and all related logos are trademarks of Amazon.com, Inc. or its affiliates.
*Xiaomi Watch S1 cannot be directly bound to Strava App.
*Features including but not limited to notifications of messages and incoming calls require the Mi Fitness app to run constantly in the background. For more information, please refer to the application's settings;
*The emergency contact function requires the device to be kept connected to the phone's Bluetooth®. First enable the function and then set an emergency contact.
*The specifications and descriptions on this web page are subject to change. Xiaomi reserves the right to make changes to including, but not limited to functionality, features, specifications, UIs of this product on this web page, at any time, without notice or obligation.
*Supported banks list (updating)： 1. Belarus: JOINT STOCK SAVINGS BANK 'BELARUSBANK', Belgazprombank, Belarus Narodny Bank (BNB), Dabrabyt Bank, JOINT STOCK COMPANY 'BELAGROPROMBANK', PRIORBANK JOINT-STOCK COMPANY, JOINT STOCK COMPANY 'BELARUSIAN-SWISS BANK', Joint-Stock Company 'Minsk Transit Bank', CLOSED JOINT STOCK COMPANY 'ALFA-BANK'; 2. Czech Republic: Curve, Československá obchodní banka, a.s.; 3. Denmark, Finland, Norway: Curve, SEB; 4. Estonia: Curve, Swedbank; 5. Italy: Curve, Nexi Payments; 6. Latvia: Curve, Swedbank; 7. Lithuania: Curve, Swedbank; 8. Poland: ZEN, POCZTOWY, SGB, Curve, BNP Paribas; 9. Slovakia: Curve, mBank; 10. Sweden: Curve, Swedbank, SEB; 11. Ukraine: AlfaBank, PJSC CB PRIVATBANK, JSC Oschadbank, OJSC Universal Bank, PJSC Bank Vostok, Public JSC First Ukrainian International Bank, Joint Stock Bank Ukrgasbank; 12. UK: Curve.
Adjustable length strap
Water resistance rating
Xiaomi Watch S1
Sapphire glass + stainless steel case
Black (black leather strap + black fluororubber strap); Silver (brown leather strap + grey fluororubber strap)
46.5mmx46.5mmx11mm (not including strap and local protrusions)
1.43" AMOLED display
165.1mm-225.1mm (leather); 149.8mm-233.8mm (fluororubber)
Lithium-ion polymer battery
Heart rate sensor (with blood oxygen sensor), accelerometer, gyroscope, geomagnetic sensor, atmospheric sensor, ambient light sensor
Systems and networks
Satellite positioning systems
Android 6.0 or iOS 10.0 and above
GPS, BeiDou, GLONASS, Galileo, QZSS
Wi-Fi IEEE 802.11b/g/n 2.4GHz; Bluetooth® 5.2