Samsung Galaxy Watch4 Classic

Works with: Android only
Display: AMOLED, 1.4 in
Case sizes: 45.5 mm
Water resistance: 5 ATM
Weight: 52 g
Cellular: LTE version

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Samsung Galaxy Watch4 Classic at a glance

GPS

Built-in GPS

No maps. Runs and rides without your phone.
Display

AMOLED, 1.4 in

1.4 in, always-on option and touchscreen.
Health

ECG on the wrist

Measures ECG, blood pressure and blood oxygen.
Phone & smart

Android only

LTE and music.
Build

5 ATM water rating

52 g.

Samsung Galaxy Watch4 Classic full specifications

Overview

Brand	Samsung
Model	Galaxy Watch4 Classic
Series	Galaxy Watch
Versions	41.5 mm / 1.2-inch Icecat listing
Colours	Black, Silver

Platform & apps

Needs an Android phone, running Wear OS.

It has an app store for extra apps and watch faces.

Operating system	Wear OS
Works with	Android only
Minimum Android	Android 6
RAM	1,500 MB
Storage	16 GB
App store	Yes

Display

A bright, colourful screen that looks like a phone display.

1.4 in, always-on option and touchscreen.

Display type	AMOLED
Display name	Super AMOLED
Screen size	1.4 in
Resolution	450 x 450
Pixel density	455 ppi
Colour display	Yes
Always-on display	Yes
Touchscreen	Yes
Controls	touchscreen, rotating bezel

Design & durability

A 45.5 mm case weighing 52 g.

Rated 5 ATM: fine for swimming laps and showers.

Case sizes	45.5 mm
Case shape	Round
Dimensions	45.5 x 45.5 x 11 mm
Thickness	11 mm
Weight (case)	52 g
Case material	Stainless steel
Band material	Fluoroelastomer
Water resistance	5 ATM
IP rating	IP68
Water standard	ISO 22810:2010

Battery

All battery modes	Battery saver: 40 hours
Battery capacity	361 mAh
Battery type	Built-in battery

GPS & navigation

Built-in GPS, so you can record runs and rides without your phone.

GPS	Built-in
Satellite systems	GPS, GLONASS, Galileo, BeiDou

Health & sensors

A health-focused watch: it measures ECG, blood pressure and blood oxygen.

For sleep, it offers sleep coaching. It can warn you about an irregular heart rhythm. ECG availability can depend on your country.

Sensors	optical HR, ECG electrode, SpO2, accelerometer, gyroscope, barometer, compass, ambient light, BIA
Heart-rate sensor	Samsung BioActive Sensor
Heart-rate tracking	24/7
ECG	Yes
Irregular rhythm alerts	Yes
Blood oxygen (SpO2)	Yes
Blood pressure	cuff-calibrated
Sleep tracking	Sleep coaching
Body composition	Yes

Training

Tracks 90+ sports and activities.

Sport profiles	90
Auto activity detection	Yes

Smart features

Smart extras include an LTE version and music storage.

LTE needs a carrier plan.

Notifications	Yes
Cellular	LTE version available
eSIM	Yes
Music storage	Yes
Wi-Fi	802.11 a/b/g/n 2.4+5GHz
Bluetooth	Bluetooth 5.0

Diving, golf & more

Diving	None

Specs compiled from Samsung's product pages and datasheets, with some identifiers from Open Icecat. Manufacturers revise hardware between versions, so check the version on the box. Spotted an error? Tell us.