Suunto Race 3S

Works with: iPhone and Android
Display: AMOLED, 1.32 in
Case sizes: 46 mm
Battery: 12 days
Water resistance: 5 ATM
Weight: 56 g

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Suunto Race 3S at a glance

Battery

Around two weeks

Up to 12 days in smartwatch mode. 45 hours with GPS.
GPS

Multi-band GPS

Maps on the wrist. Runs and rides without your phone.
Display

AMOLED, 1.32 in

1.32 in, up to 2,000 nits and always-on option.
Health

Heart, sleep and more

Measures blood oxygen and HRV.
Phone & smart

iPhone and Android

Music.
Build

5 ATM water rating

56 g. Sapphire lens.

Suunto Race 3S full specifications

Overview

A sports watch from Suunto, released in 2026.

Brand	Suunto
Model	Suunto Race 3S
Series	Race
Released	2026-10-29
Colours	Titanium Black

Platform & apps

Works with iPhone and Android phones, running Suunto.

No subscription needed.

Operating system	Suunto
Works with	iPhone and Android
Minimum iOS	iOS 17
Minimum Android	Android 8
Chipset	Apollo 510
Storage	64 GB
Subscription	Not needed

Display

A vivid, high-contrast screen that is easy to read indoors and out.

1.32 in, up to 2,000 nits and always-on option.

Display type	AMOLED
Display name	LTPO AMOLED
Screen size	1.32 in
Resolution	466 x 466
Peak brightness	2,000 nits
Colour display	Yes
Always-on display	Yes
Controls	buttons, crown

Design & durability

A 46 mm case weighing 56 g.

Rated 5 ATM: fine for swimming laps and showers. A sapphire lens resists scratches.

Case sizes	46 mm
Dimensions	46 x 46 x 11.4 mm
Thickness	11.4 mm
Weight (case)	56 g
Weight with band	56 g
Case material	Glass fibre reinforced polyamide
Bezel material	titanium
Lens	Sapphire crystal
Back material	titanium
Band material	silicone
Band width	22 mm
Band fitting	22 mm quick release
Fits wrists	125-175 mm
Water resistance	5 ATM
Operating temperature	-20 to 55 °C

Battery

Around two weeks: up to 12 days in smartwatch mode.

With GPS on, up to 45 hours, or 38 hours in multi-band mode. Real battery life depends on screen brightness, notifications and workouts.

Battery (smartwatch mode)	12 days
Battery (multi-band GPS)	38 hours
All battery modes	Multi-band GPS: 38 hours; All satellite systems: 45 hours; Max battery GPS: 5 days; Smartwatch: 12 days
Battery type	rechargeable lithium-ion
Full charge time	120 min
Fast charging	Ten minutes on the charger gives you about 10 hours of dual-frequency GPS

GPS & navigation

Built-in multi-band GPS for accurate tracks, even near tall buildings and trees.

You can download maps to the watch.

GPS	Built-in
Multi-band GPS	Yes
Satellite systems	GPS, GLONASS, Galileo, BeiDou, QZSS
Maps	Downloadable maps
Navigation features	climb planner, course import

Health & sensors

Tracks heart rate around the clock, plus blood oxygen and HRV.

For sleep, it offers a nightly sleep score.

Sensors	optical HR, SpO2, barometer, compass, thermometer
Heart-rate tracking	24/7
Heart-rate variability	Yes
Blood oxygen (SpO2)	Yes
Sleep tracking	Sleep score
Stress tracking	Yes

Training

Built for training, with the metrics serious athletes use.

120+ sport profiles. It adds a triathlon mode, running power and daily suggested workouts.

Sport profiles	120
Triathlon / multisport	Yes
Training metrics	training load, training effect, recovery time, HRV status
Adaptive coaching	Yes
Running dynamics	Yes
Wrist running power	Yes
External sensors	Bluetooth HR strap, power meter, speed/cadence, running dynamics pods

Smart features

Smart extras include music storage.

Notifications	Yes
Music storage	Yes
Find my phone	Yes
Flashlight	Yes

Diving, golf & more

Diving	None

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