Garmin Venu 3S

Works with: iPhone and Android
Display: AMOLED, 1.2 in
Case sizes: 41 mm
Battery: 10 days
GPS battery: 21 hours
Water resistance: 5 ATM
Weight: 27 g

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Garmin Venu 3S at a glance

Battery

Around two weeks

Up to 10 days in smartwatch mode. 21 hours with GPS.
GPS

Built-in GPS

No maps. Runs and rides without your phone.
Display

AMOLED, 1.2 in

1.2 in, always-on option and touchscreen.
Health

ECG on the wrist

Measures ECG, blood oxygen, skin temperature and HRV.
Phone & smart

iPhone and Android

Payments, music and calls.
Build

5 ATM water rating

27 g.

Garmin Venu 3S full specifications

Overview

Brand	Garmin
Model	Venu 3S
Series	Venu

Platform & apps

Works with iPhone and Android phones, running Garmin.

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

Operating system	Garmin
Works with	iPhone and Android
Storage	8 GB
App store	Yes

Display

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

1.2 in, always-on option and touchscreen.

Display type	AMOLED
Screen size	1.2 in
Resolution	390 x 390
Colour display	Yes
Always-on display	Yes
Touchscreen	Yes
Controls	touchscreen

Design & durability

A 41 mm case weighing 27 g.

Rated 5 ATM: fine for swimming laps and showers.

Case sizes	41 mm
Case shape	Round
Dimensions	41 x 41 x 12 mm
Thickness	12 mm
Weight (case)	27 g
Weight with band	40 g
Case material	fiber-reinforced polymer
Bezel material	Stainless steel
Lens	Corning Gorilla Glass 3
Band material	silicone
Band width	18 mm
Band fitting	18 mm quick release
Fits wrists	110-175 mm
Water resistance	5 ATM

Battery

Around two weeks: up to 10 days in smartwatch mode.

With the always-on display, about 5 days. With GPS on, up to 21 hours. Makers test with their own settings, so treat these as best-case figures.

Battery (smartwatch mode)	10 days
Battery (GPS)	21 hours
All battery modes	Smartwatch: 10 days; Always-on display: 5 days; Battery saver: 20 days; GPS: 21 hours; All satellite systems: 15 hours; GPS: 8 hours
Battery type	Lithium ion
Charging	proprietary-plug

GPS & navigation

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

GPS	Built-in
Satellite systems	GPS, GLONASS, Galileo
Navigation features	back-to-start

Health & sensors

A health-focused watch: it measures ECG, blood oxygen, skin temperature and HRV.

For sleep, it offers sleep coaching. ECG availability can depend on your country.

Sensors	optical HR, SpO2, skin temperature, accelerometer, gyroscope, barometer, compass, ambient light, thermometer
Heart-rate sensor	Garmin Elevate
Heart-rate tracking	24/7
ECG	Yes
High/low heart-rate alerts	Yes
Heart-rate variability	Yes
Blood oxygen (SpO2)	Yes
Skin temperature	Yes
Respiration rate	Yes
Sleep tracking	Sleep coaching
Stress tracking	Yes
Energy score	Body Battery
Cycle tracking	Yes

Safety

Has an emergency SOS feature.

SOS works through your paired phone.

Emergency SOS	Via phone
Incident detection	Yes

Training

Tracks your workouts and daily activity.

It adds running power.

Auto activity detection	Yes
Swim tracking	Pool and open water
Underwater heart rate	Yes
Training metrics	VO2 max, recovery time, HRV status
Running dynamics	Yes
Wrist running power	Yes
Strength rep counting	Yes
Heart-rate broadcast	Yes
External sensors	ANT+, power meter, foot pod, speed/cadence, bike radar/lights, golf club tags
Smart trainer control	Yes

Smart features

Smart extras include contactless payments, music storage and calls on the wrist.

Notifications	Yes
Message replies	Android
Calls on the watch	Yes
Speaker	Yes
Microphone	Yes
Contactless payments	Yes
Payment service	Garmin Pay
Music storage	Yes
Wi-Fi	Wi-Fi
Find my phone	Yes
Find my watch	Yes

Diving, golf & more

Specialist modes	golf

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