Samsung Galaxy Watch4 Classic 42Mm Bluetooth Smartwatch, Silver, Sm-R880Nzsamea

Measure Blood Pressure using an Optical Heart Rate Sensor known as the PPG Sensor

Blood Pressure

Meet the Samsung BioActive Sensor that measures blood pressure in real time. After initial calibration, the sensors quickly check your blood pressure.

*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.

Measure ECG using an Electrical Heart Sensor

ECG

Meet the Samsung BioActive Sensor that measures ECG in real time. After initial calibration, the sensors quickly check abnormal heart rate and rhythm through ECG and send data straight to your phone to be easily shared.

*ECG and BP feature only to be used by 22 years+. **Availability of feature and app may vary by region, connected device, SW version and carrier.

The most holistic sleep analysis on Galaxy watch

Advanced Sleep

The sleep tracker detects and holistically analyzes 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.

*The Advanced Sleep feature is for fitness and wellness purposes only and not intended for use in detection, diagnosis, treatment of any medical condition or disease. *The Galaxy Watch4 Classic must be paired with a smartphone to use the sleep management function. *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 Classic.

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 bring the biggest innovation to Galaxy Watch yet.

*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,

Your workout buddies have your back

Enjoy every step you take with your friends and family with the Galaxy Watch4 Classic. 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.

It’s a real team player

New Operating System

The first smartwatch with Wear OS Powered by Samsung, Galaxy Watch4 Classic puts seamless access to your favorite apps on your wrist. You'll get a rich app selection from music streaming apps to anything in the massive library of health and fitness apps.

A new day. A new watch face

Watch Face

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.

Plays well with others

Compatibility

The Galaxy Watch4 Classic comes with Wear OS Powered by Samsung, giving you seamless connection with Samsung Galaxy devices. Control ANC on Galaxy Buds2 or enable apps on your phone straight from your watch. Additional features like the compass makes the Galaxy Watch4 Classic even more resourceful.

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 Classic detects physical activity to track your routines and supports more than 90 exercises for a more accurate report of your workouts.

*Galaxy Watch4 Classic is rated as IP68. Based on test conditions for submersion in up to 1.5 metres of freshwater for up to 30 minutes.