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.
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.

GROUP CHALLENGE
Your workout buddies have
your back
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.

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.
Measure blood pressure using an Optical Heart Rate Sensor known as the PPG Sensor.
Measure ECG using an Electrical Heart Sensor.

ADVANCED SLEEP
The most holistic sleep analysis on Galaxy watch
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.

DESIGN
Sleek, seamless, iconic
Galaxy Watch4 features a simple design with a streamlined Armour Aluminium 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.

WATCH FACE
A new day. A new watch face.
Choose between analogue or digital watch faces with a variety of backgrounds, fonts and colours to match your tastes, the weather or the 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 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, from music streaming apps to anything in the massive library of health and fitness apps.

COMPATIBILITY
Plays well with others
The Galaxy Watch4 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 even more resourceful.

Specification

Product
Product id	789228
Brand	Samsung
Partnr	SM-R860NZKAEUB
EAN/UPC code	8806092521957
Display
Display type	SAMOLED
Display resolution	396 x 396 Pixels
Touchscreen	Y
Display diagonal	1.2 inch
Always-on display	Y
Colour display	Y
Watch glass type	Corning Gorilla Glass DX+
Performance
Mobile operating systems supported	Android 10, Android 10.0, Android 6.0, Android 7.0, Android 7.1, Android 7.1.2, Android 8.0, Android 9.0
Operating system installed	Wear OS
RAM capacity	1500 MB
Flash memory	16 GB
Processor manufacturer	Samsung
Processor model	Exynos W920
Processor frequency	1180 MHz
Processor cores	2
Design
Market positioning	Smartwatch
Watch case size	40 mm
Watch case colour	Black
Watch case material	Aluminium
Band colour	Black
Shape	Round
Closure type	Single prong strap buckle
International Protection (IP) code	IP68
Protection features	Dust resistant, Waterproof
Water resistance	5 ATM
Features
Heart rate monitor	Y
Heart rate contact sensors	Y
Heart rate sensor type	Electrical, Optical
Blood pressure monitor	Y
Blood oxygen sensor	Y
Calories burned	Y
Accelerometer	Y
Gyroscope	Y
Activity tracker	Y
Quality of sleep	Y
Personal goals	Y
Timer	Y
Electronic compass	Y
Personal info management (PIM)	Alarm clock, Calculator, Events reminder, Notes, SOS
SMS notifications	Y
Geomagnetic sensor	Y
Ambient light sensor	Y
Caller ID	Y
Barometer	Y
Military standard	MIL-STD-810G
Network
Mobile network connection	N
GPS (satellite)	Y
GLONASS	Y
BeiDou	Y
Galileo	Y
Ports & interfaces
Wi-Fi	Y
Wi-Fi standards	802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n)
Bluetooth version	5.0
Near Field Communication (NFC)	Y
Headphone connectivity	Bluetooth
Power
Battery capacity	247 mAh
Wireless charging	Y
Weight & dimensions
Width	40.4 mm
Depth	39.3 mm
Thickness	9.8 mm
Weight	25.9 g
Packaging data
Package type	Box
Packaging content
Manual	Y
Charger	Y