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Galaxy S26 Ultra
Ultra comfort,
from sleep to workout
The thinnest Samsung Galaxy Watch yet, Galaxy Watch8 is ready to make an impact. Now, boldly reimagined — from the iconic new cushion design to the Dynamic Lug System for the snug, comfortable fit — all while performing powerfully with the 3 nm processor. Experience proactive coaching, from sleep to running to holistic health that fuses intelligence with individuality. Make the most of your moments with Galaxy AI you ahead, topped with a whole-new One UI experience.
Meet the next-level innovation
on Galaxy Watch8
Innovation meets our signature cushion design
Form a healthy bedtime routine
Run at your own pace with a personal coach
Always bright. Even in sunlight
"The squircle watches do sit flatter on your wrist, and they are more comfortable."
The Verge
07/2025
"Samsung aims to help you become healthier by motivating you through instant feedback."
PhoneArena
06/2025
"Impressive how well Gemini on the Galaxy Watch8 handles long, stream-of-consciousness questions."
CNET
07/2025
Innovation meets our signature cushion design
It's time for a change — introducing Galaxy Watch8 with a bold new look, designed with innovation. Sleek lines flowing from the watch face to the slim body create a refined aesthetic, while the iconic cushion design adds a distinctive edge, rounding out a look built to leave a lasting impression. Available in 40 mm and 44 mm, in Graphite and Silver.1
The thinnest Galaxy Watch
Reimagined to be more compact than ever, Galaxy Watch8 is the slimmest Galaxy Watch yet. 11% thinner than Galaxy Watch7, the sleek profile of Galaxy Watch8 offers a more seamless feel on your wrist — enhancing both style and wearability throughout your day, during your workouts and even while you sleep.3
The most comfortable Galaxy Watch ever
Breeze through your day with extra comfort. With the Dynamic Lug System, Galaxy Watch8 sits more comfortably on your wrist, staying close to your skin with minimal space in between. This refined design enhances stability, resulting in a snug and stable fit that makes you barely notice it's there. Enjoy your day more with the most comfortable Galaxy Watch experience ever. 3,4
Powerful inside and out
Boost your day with a 3 nm processor
Keep things running smoothly with robust performance. Inside the slim, streamlined profile of Galaxy Watch8 lies a solid 3 nm processor. It delivers faster processing speeds and improved power efficiency, ensuring your interactions stay fast and fluid. Count on your processor that keeps up with what you do — from monitoring your health to multitasking seamlessly.
Always bright. Even in sunlight
Stay in the loop day or night with increased brightness of up to 3,000 nits. that gives you a crystal-clear view on your screen, even in bright sunlight. Whether you're viewing your stats on a morning run or checking new messages in the middle of an afternoon walk, the high brightness screen of Galaxy Watch8 ensures that what matters to you stays sharp, vivid and easy to read.3
Build healthy sleep habits with Galaxy AI
Bedtime Guidance
Form a healthy bedtime routine
Build good sleep habits with Bedtime Guidance. Galaxy Watch8 uses three days worth of sleep data to find your optimal bedtime, the first step toward better sleep. Get smart nudges for your ideal bedtime and get the rest you need. Wake up feeling refreshed, fully recharged and better prepared to take on the day — all with a personalised sleep schedule.2,5
Energy Score
Know your energy level. Own your day
Understand your body and start your day smarter. Galaxy Watch8 analyses your workouts, sleep patterns and nighttime heart signals to deliver a daily forecast — your Energy Score. Check insight messages brought to you by Galaxy AI, and review each index in detail. Plan your day accordingly to make the most of each moment.2,6
Sleep Tracking
Gain sleep insights and get deeper rest
Simply wear Galaxy Watch8 to bed and wake up to a clear picture of how your sleep went the night before. With detailed insights into your sleep including sleep stages, consistency, heart rate and blood oxygen levels, you can shed light on aspects of your sleep you were previously in the dark about. Train your sleep, gain deeper rest and energise your day.7
Sleep Coaching
Improve your sleep with Sleep Coaching
Did you know your day starts the night before? Work your way toward better sleep and better mornings with Galaxy Watch8. Wear it while you sleep for a week to find out your Sleep type and which of the 8 animals you are. Then, follow a 3-4 week personalised coaching program designed to improve your sleep, featuring small, sustainable tweaks like establishing a consistent wake-up time or staying active earlier in the day.8,9,10,11
Sleep Apnea
Look out for signs of sleep apnea
With CE marked sleep apnea risk detection, detect signs of moderate to severe obstructive sleep apnea by looking for oxygen saturation dips overnight with Galaxy Watch8. In the morning review the details on the Samsung Health Monitor app.12
Find your pace,
race your way
Running Coach
Run at your own pace with a personal coach
Once you've fully recovered with a good night's sleep, it's time to move. Start with a test to identify your running level from 1 to 10. Set your goals and work your way to break them by training at your own pace. Whether you're taking your first stride as a beginner or training for a full marathon, a 3-5 week running coach program tailored to your running capacity will guide and motivate you through every milestone, helping you break barriers.2,13
Personalised HR Zone
Train better with Personalised HR Zone
Check your real-time heart rate for safe and effective outdoor running. Monitor your personalised heart rate zone as you run, and adjust the intensity to suit your condition. Understand your physical capabilities better and ensure you're training at the optimal intensity to reach your running goals.14
Daily Activity
Stay motivated with daily goals
Complete your rings and call it a day well spent with Daily Activity. Set daily goals that match your lifestyle and stay motivated to move. Check how many steps you take each day, how many calories you burn and how long you stay active. Galaxy Watch8 automatically measures your steps, active calories and activity time throughout the day, helping you make steady progress toward a more active life.
Exercise Tracking
Track your moves easily with Exercise Tracking
Monitor a wide range of exercise data — whether you're training at home, lifting at the gym or hiking outdoors. Check detailed data from your average pace and cadence to advanced running metrics and VO2 max . Add your go-to exercises and build your own routine to follow your progress effortlessly. With precise GPS, every move is accurately captured.15,16,17,18
Vascular Load
Keep track of your
heart health while you sleep
Manage your vascular load as you sleep. Wear Galaxy Watch8 for at least 4 hours each night for over 3 nights to assess your baseline, and track your measurements over time. When your readings trend upward, you'll receive thoughtful suggestions — maybe it's time for more fresh foods, better sleep habits or managing daily stress. Stay informed about your heart health and make choices that support how you want to feel tomorrow. 2,19,20
BP
Keep an eye on your blood pressure
Proactively stay on top of your heart health. Calibrate your Galaxy Watch8 and start your measurement with the Samsung Health Monitor app to check your blood pressure, including both systolic and diastolic readings. By keeping track of your numbers regularly, you can watch for any significant changes and stay well-informed with your heart's condition.21,22,23,24
ECG
Take an ECG to check your heart's rhythm
Follow up on of your heart's condition with Electrocardiogram (ECG). ECG helps you detect signs of atrial fibrillation (AFib) by measuring the electrical activity of your heart and recording it on a graph. You can see how steadily and strongly your heart is pumping in real time and gain valuable insights. Monitor regularly to ensure your heart's health.25
IHRN
Stay alert to heart irregularities
Have peace of mind with Galaxy Watch8 watching over your heart. Using Irregular Heart Rhythm Notification (IHRN), Galaxy Watch8 analyses your pulse rate in the background. You will get a notification if irregularities are detected, such as those suggestive of atrial fibrillation (AFib), in which case you can take an ECG to get a closer look at your heart's condition.25
Antioxidant index
Balance your diet
Samsung Health
Once you've fully recovered with a good night's sleep, it's time to move. Start with a test to identify your running level from 1 to 10. Set your goals and work your way to break them by training at your own pace. Whether you're taking your first stride as a beginner or training for a full marathon, a 3-5 week running coach program tailored to your running capacity will guide and motivate you through every milestone, helping you break barriers.2,13
AGEs index
Stay in the know about your AGEs index
Maintain your metabolic health with Galaxy Watch8. Just wear it while you sleep, and effortlessly stay in control of your AGEs (Advanced Glycation End-products) index. Galaxy Watch8 monitors your AGEs index across four levels, helping you understand your current state. Support healthier aging and a more balanced lifestyle with insightful guidance.30
Food Tracker
Check your meal logs at a glance
Log your meals to build healthier eating habits. Record your daily calorie intake right on your wrist with Food Tracker to help maintain a balanced diet. Take control of your nutrition by consistently keeping track of what you eat and drink to better understand your nutritional intake. Make informed decisions and eat healthier to enhance your wellness over time and become a healthier you.
Body Composition
Meet your fitness goals with insights
Measure your body composition with just your fingertips, and stay on track with your fitness goals. You can track key indicators like weight, skeletal muscle and fat mass by placing your middle and ring fingers on the buttons of Galaxy Watch8. Set personalised goals for each index and customise your fitness plan accordingly. Watch your body make progress over time, getting closer to the goals you've set.11,15,31
Medication
Get reminders to take your medications
Stay on top of your medication intake with Galaxy Watch8. Enter the pills you take, check information and set alerts. You'll receive notifications reminding you to take them on time. Be aware of possible interactions, and be informed when certain substances or lifestyle factors may affect how your medications work.10,11,32,33
Put your mind at ease
Mindfulness
Take a pause. Refresh your mind
Make time each day to find your sense of serenity. Galaxy Watch8 offers tools that gently guide you toward mindfulness — from managing stress to living in the moment. Explore different techniques and discover what works best to support your mental well-being. Keep a daily log and unwind with guided breathing and meditation exercises. Consistently monitor the progress on your personal journey to find your own inner peace.
Mindfulness Tracker
Stay centered with Mindfulness Tracker
Monitor your moods and observe how they change. Log and track your daily emotions to enhance your mental wellness. Explore different ways to practice mindfulness and follow your progress over time.34,35,36
Breathing Exercises
Breathe in, breathe out, stay balanced
Take a deep breath. Clear your mind and refocus your thoughts with guided breathing exercises, anytime on your Galaxy Watch8. Choose from three built-in techniques designed to help you relax, regain focus or find balance, or create one of your own. It's always ready on your wrist whenever you need a mindful moment.34,35,36
Stress
Maintain control of your stress level
View your daily stress pattern to better manage your mental well-being. Enable advanced measurements to allow Galaxy Watch8 to track real-time changes in your stress levels throughout the day, and receive alerts when levels are high. When repeated, ease tension and refocus your mind with breathing exercises.
Cycle Tracking
Know your cycle and plan ahead
Stay in sync with your cycle thanks to Natural Cycles' adaptive fertility algorithm. Galaxy Watch8 helps forecast your upcoming period and ovulation cycles by monitoring your skin temperature overnight. Make more informed and proactive decisions about your schedule, plan accordingly and go about your day more confidently.37
Just ask. Done
Lift your wrist and speak — Google Gemini is here to help. Galaxy Watch8 with Gemini built-in helps you get things done swiftly even during life's busiest moments. Just ask to get answers and ideas, complete various tasks across apps and access important information on the spot. Get what you need, right on your wrist.38,39
The all-new One UI 8 Watch
New Watch, new One UI. Catch your must-knows with the multi-info tile, bringing key info from the apps of your choice. Stay updated at a glance with streamlined notifications, and easily access your go-to apps from the top of the app list. View real-time info, from calls to running time and timers, all in one place with the Now bar.40
Specifications
M4A
AMR
OGG
WAV
AAC
MP3
AWB
OGA
Pedometer
Sleep Monitor
Fall Detection
Emergency SOS
Automatic Workout Detection
Blood Pressure Measurement
Calories Control
Body Fat Percentage
ECG App
Compass Backtrack
Cycle tracking
Stress Detection
Galaxy AI
Google Gemini
Irregular Heart Rate Notification (IHRN)
3000 nits Peak Brightness
Infrared Sensor
Bioelectrical Impedance Analysis Sensor
Temperature Sensor
Accelerometer
Barometer
Light Sensor
Electrical Heart Sensor
IEEE 802.11a
IEEE 802.11g
IEEE 802.11b
3G
4G
WCDMA
FDD-LTE
TDD-LTE
GPS
GLONASS
BeiDou