Galaxy Watch4
The watch that knows you best
Most of us want to know more about ourselves, so we can be the best version of ourselves. That's why we engineered the all-new Galaxy Watch4 to be the companion to your journey towards a healthier you. 1
Design Your Own
FITNESS
Fitness
within
arm’s
reach
BODY COMPOSITION
Don’t just listen
to your body.
Know it
Track your fitness progress with our first smartwatch that conveniently measures body composition. Get to know your body fat percentage, skeletal muscle, body water and more to achieve your goals. The Samsung BioActive Sensor and our fastest chip brings the biggest innovation to Galaxy Watch yet. 2, 3, 4, 5, 6, 7
Get a BIA measurement using just two fingers in 15 seconds. Anytime, anywhere.
The new Samsung BioActive Sensor captures your body composition in real time to inform you as you manage your health goals.
Track your
progress toward
your health goals
Set targets for your weight, body fat percentage, and skeletal muscle. Track your progress and receive reminders on your Galaxy Watch4 to keep you motivated. Celebrate your achievements with badges and build a healthy body from the inside out. 2, 3, 4, 5, 7, 11, 12
Green Galaxy Watch4 with cream watch band displays a "Fantastic" message celebrating the achievement of a body composition goal.
Set targets for your weight, body fat percentage, and skeletal muscle. Track your progress and receive reminders on your watch to keep you motivated. Celebrate your achievements with badges and build a healthy body from the inside out. 2, 3, 4, 5, 6, 7, 10
GROUP CHALLENGE
Your workout buddies have
your back
Following the text message, there are two emotes; a gush of wind and a set of eyes glancing left.
See you at the finish line, David!
12:45 PM
The front of a Galaxy Watch4 with a green band is shown, and its watch face displays "3rd place" in a walking Group Challenge with friends. Around the watch are diverse people cropped in a circle. There are text bubbles on the top left and bottom right, each pointing to its speaker.
Two exclamation point emotes are used before and after the words "Look out".
Look out Isabella is catching up…
12:46 PM
Enjoy every step you take with your friends and family with the Galaxy Watch4. Track your steps and compete with friends in a fun competition through a live message board. Challenges come with commemorative badges and a point system to make exercise fun, motivating and socially rewarding.
DAILY ACTIVITY & FITNESS TRACKING
Name a workout.
It can track it
Track your activities and fitness scores on your watch and phone. Count steps, check calories, and stay on the grid with GPS. Galaxy Watch4 detects physical activity to track your routines and supports more than 90 exercises for a more accurate report of your workouts. 13
RUNNING AND CYCLING
Advanced insights for runners
and cyclists
Measure how your body performs during a workout and check your heart rate level as you recover. With advanced index and interval training available on Galaxy Watch4, you can optimize your workouts and train for new performance goals. 5
Interval Training Pre-set the duration, distance and number of sets for running and cycling interval workouts on your Galaxy Watch4. Then, follow the guide through high- and low-intensity training sessions on your wrist.
HEALTH
A watch that's watching out for you
BLOOD PRESSURE & ECG
All the data your heart desires
Meet the Samsung BioActive Sensor that measures ECG and blood pressure in real time. After initial calibration, the sensors quickly check your blood pressure. You can also check abnormal heart rate and rhythm through ECG and send data straight to your phone to be easily shared. 17, 18, 19, 20, 21, 22, 23
Blood Pressure Measure Blood Pressure using an Optical Heart Rate Sensor known as the PPG Sensor.
ECG Measure ECG using an Electrical Heart Sensor.
BLOOD OXYGEN
Measure blood
oxygen levels
from your wrist
Built-in blood oxygen measurement on Galaxy Watch4 lets you check the amounts of oxygen in your bloodstream at any time. Oxygen saturation is directly linked to physical performance, so monitoring your blood oxygen can help you maintain your health. 24, 25
ADVANCED SLEEP
The most holistic sleep analysis on Galaxy watch
A silver Galaxy Watch4 device is shown with a silver band tied round and its watch face displaying the sleep tracking feature.
The sleep tracker detects and holistically analyses your sleep stages while you rest. Improved measuring options let you check your blood oxygen levels and snoring patterns (not saying you do). Plus, get advanced insights from the National Sleep Foundation for better sleep quality and duration. 5, 24, 26, 27, 28, 29
SLEEP COACHING
Your coach to bedtime bliss
Learn how to develop healthy sleep habits with Sleep coaching. By tracking your sleep patterns and completing sleep surveys, our program assigns 1 of 8 sleep symbol animals that represents your sleep type. It then provides a 4 to 5 week coaching program with helpful sleep tips, missions and checklists. 5, 24, 30, 31, 32
Find the sleep
symbol that
matches your
sleep type
Unconcerned lion
Lions are relaxed and have healthy sleep patterns.
Sensitive hedgehog
Hedgehogs are watchful and active at night.
Nervous penguin
Penguins are nervous and only sleep sporadically for 3.5 hours a day.
Sun-adverse mole
Moles are nocturnal and sleep about 8 hours during the day.
Cautious deer
Deer remain alert, sleeping less than 10 minutes at a time, so they can run away when they're in danger.
Easygoing walrus
Walruses can stay awake for 84 hours and sleep for up to 19 hours.
Alligator on the hunt
Alligators are nocturnal and can sleep with one eye open as if they're winking.
Exhausted shark
Sharks rarely sleep because they need to stay awake to breathe.
DESIGN
Design comes full circle
Two Galaxy Watch4 devices are shown, a pink gold color on the left and a silver color on the lower right. Each has a watch face that is showing different colored designs to tell time.
DESIGN
Sleek, Seamless, Iconic
Galaxy Watch4 features a simple design with a streamlined Armor Aluminum metal frame. It offers high-end looks and functionality for your workouts and day-to-day tasks.
Choose from a selection of bands, including the Hybrid Leather Band and the Sport Band, to fashion your own band style. Treat your wrist with high-quality materials, comfort fit, and sweat-resistant surfaces. 33, 34, 35
Galaxy Watch Design Studio
Time to find your personal style.
WATCH FACE
A new day.
A new watch face
A Galaxy Watch4 device and its various watch face styles can be seen.
Choose between analog or digital watch faces with a variety of backgrounds, fonts, and colors to match your tastes, the weather, or occasion. Spice up your character watch faces with AR Emojis to express your style, while animated graphics show what you're up to, like running or listening to music.
NEW OPERATING SYSTEM
It’s a real
team player
The sideways view of a green Galaxy Watch4 device is displayed, and various app icons can be seen.
The first smartwatch with Wear OS Powered by Samsung, Galaxy Watch4 puts seamless access to your favourite apps on your wrist. You'll get a rich app selection in the massive library of health and fitness apps. 36, 37
Amazing alone. Better together
*Galaxy S22+, Galaxy Tab S8 Ultra, Galaxy Buds Pro and Galaxy Watch4 Classic sold separately.
Life opens up
with Galaxy
- Availability of colors, sizes, models, and bands may vary by country or region.
* UI subject to change.
* Available features and apps may vary by region, connected device, OS, or carrier.
* All images on this page are simulated for illustrative purposes.
- DO NOT measure your body composition if you have an implanted pacemaker or other implanted medical devices.
- DO NOT measure your body composition if you are pregnant.
- Measurement results may not be accurate if you are under 20 years old.
- Intended for general wellness and fitness purposes only. Not intended for use in detection, diagnosis, treatment of any medical condition or disease. The measurements are for your personal reference only. Please consult a medical professional for advice.
- Availability of BIA may vary by country or region.
- All features and UI are subject to change.
- Compatible with Android 6.0 or higher, RAM 1.5GB above
- Device activation is only available after connecting to a smartphone that supports Google Mobile Services(GMS). Please refer to your device manufacturer to find out whether your smartphone supports Google Mobile Services(GMS).
- Compatible smartphones and available features may vary by region, carrier and device.
- Only available on Galaxy Watch4 series and must be paired with a compatible mobile device.
- Compatible smartphones and available features may vary by country or carrier.
- Galaxy Watch4 has a water resistance rating of 50 meters under the ISO standard 22810:2010. It is not suitable for diving or high-pressure water activities. If the device or your hands are wet, they must be dried thoroughly prior to handling.
- Watch-Mobile Interworking for cycling available on Galaxy Watch4 series with Samsung Health ver 6.21 or later.
- Compatible with Android 6.0 or higher and minimum 1.5GB RAM.
- Image simulated. UX/UI subject to change
- ECG and BP feature only to be used by 22 years+. For accurate BP readings, a calibration is required every 4 weeks by BP monitor & arm cuff. Requires a Galaxy smartphone running Android 7.0 or above.
- Users should measure their blood pressure when at rest, as they would do with a traditional cuff, and refrain from measuring when they are working out, smoking, or drinking.
- Availability of feature and app may vary by region, connected device, SW version and carrier.
- Measured blood pressure history can be reviewed within the Samsung Health Monitor app on a paired smartphone.
- A Galaxy Watch and Samsung Galaxy smartphone are required to use Samsung Health Monitor app. Due to country restrictions in acquiring approval/registration as a medical device, Samsung Health Monitor app only works on watches and smartphones purchased in the countries where service is currently available.
- Supported watches: Galaxy Watch4, Galaxy Watch3, Galaxy Watch Active2 and later released Galaxy Watch and Active models (excluding Galaxy Fit)
- Supported smartphones: Samsung Galaxy smartphone with Android N OS version or higher
- Samsung Health Monitor Blood Pressure app is available in 39 countries (Austria, Azerbaijan, Belgium, Brazil, Bulgaria, Chile, Croatia, Cyprus, Czech, Denmark, Estonia, Finland, France, Georgia, Germany, Greece, Hong Kong, Hungary, Iceland, Indonesia, Ireland, Italy, Korea, Latvia, Lithuania, Netherland, Norway, Poland, Portugal, Romania, Russia, Singapore, Slovakia, Slovenia, Spain, Sweden, Swiss, UK and UAE, as of Aug. 11, 2021).
- The Blood Pressure app is a 'medical device' in countries where registration/approval is required and obtained. Note that availability of Blood Pressure app may vary by country. Please use after reading 'Precautions before use' and 'How to use' steps 1~4.
- The Blood Pressure app is not intended for any diagnostic purposes regarding hypertension or other heart conditions or users under 22 years old. Users should not interpret or take clinical action based on the device output without consultation of a qualified healthcare professional. The Blood Pressure app is not intended to replace traditional methods of diagnosis or treatment.
- Availability may vary by country or region.
- Blood oxygen is for fitness and wellness purposes only and not intended for use in detection, diagnosis, treatment of any medical condition or disease. The measurements are for your personal reference only. Please consult a qualified medical healthcare professional for advice.
- The Galaxy Watch4 must be paired with a smartphone to use the sleep management function.
- For best results in detecting and recording snoring, place your smartphone on a stable surface near your head with the bottom of the smartphone pointed to your head.
- The default setting for snoring detection is off. Users can turn the setting on with their smartphone at anytime using the Samsung Health App 6.18 version or above.
- Advanced insights from the National Sleep Foundation is only available on a smartphone paired with the Galaxy Watch4.
- Only available on Galaxy Watch4 series and requires latest software update
- Requires Samsung Health app version 6.21 or later.
- Requires Samsung Galaxy Phone with Android 8.0 or later.
- For optimal reading accuracy, your Galaxy Watch4 needs to be snugly fastened to your wrist. When you are not conducting readings, you may loosen the band to provide breathing room. On balance, your watch’s band should not be fastened too tight or loose: make sure that it feels comfortable around your wrist.
- If you experience redness, itchiness, or other irritation, remove your Galaxy Watch4 and consult a medical provider prior to continued use. Such reaction may result due to allergies, wearing for prolonged periods, usage habits such as wearing it too tight, or exposure to sweat or other irritants.
- Keep your Galaxy Watch4 and its band(s) clean by wiping them with a soft, dry cloth.
- Available apps may vary by country or region.
- Wear OS Powered by Samsung works with phones running the latest version of Android (excluding Go edition and phones without Google Play Store). Supported features may vary between platforms and countries with compatibility subject to change.
Highlights
Body composition
Daily Activity & Fitness tracking
Design : Sleek and Iconic
Specifications
-
Size (Main Display)
1.2" (30.4mm)
-
Body Weight (g)
25.9 g
-
Bluetooth Version
Bluetooth v5.0
-
Sensors
Accelerometer, Barometer, Gyro Sensor, Geomagnetic Sensor, Light Sensor, Optical Heart Rate Sensor, Electrical heart sensor, Bioelectrical Impedance Analysis Sensor
-
Storage (GB)
16
-
CPU Speed
1.18GHz
-
SIM size
Embedded-SIM
-
Infra
3G WCDMA,4G LTE FDD
-
3G UMTS
B1(2100),B5(850),B8(900)
-
4G LTE
B1(2100),B3(1800),B5(850),B7(2600),B8(900),B20(800),B28(700)
-
Audio Playing Format
MP3,M4A,3GA,AAC,OGG,OGA,WAV,AMR,AWB
-
Location Technology
GPS,Glonass,Beidou,Galileo
-
Wi-Fi
802.11 a/b/g/n 2.4+5GHz
-
NFC
Yes
-
Bluetooth Version
Bluetooth v5.0
-
Bluetooth Profiles
A2DP,AVRCP,HFP,HSP
-
Wear OS Powered by Samsung
-
Technology (Main Display)
Super AMOLED
-
Size (Main Display)
1.2" (30.4mm)
-
Resolution (Main Display)
396 x 396
-
Colour Depth (Main Display)
16M
-
CPU Speed
1.18GHz
-
CPU Type
Dual-Core
-
Memory (GB)
1.5
-
Storage (GB)
16
-
Accelerometer, Barometer, Gyro Sensor, Geomagnetic Sensor, Light Sensor, Optical Heart Rate Sensor, Electrical heart sensor, Bioelectrical Impedance Analysis Sensor
-
Body Dimension (HxWxD, mm)
40.4 x 39.3 x 9.8 mm
-
Body Weight (g)
25.9 g
-
Battery Capacity (mAh, Typical)
247
-
Removable
No
-
Usage Time (Hours, AOD Off)
Up to 40 Hours
*Usable memory size is less than the total memory size due to storage of the operating system and software required to operate the phones' features. Actual usable memory size will also vary depending on the mobile phone operator and may change after software upgrades are performed
User manual & downloads
FAQs
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