Coros PACE 4

Display: AMOLED, 1.2 in
Case sizes: 43.4 mm
Battery: 19 days
Water resistance: 5 ATM
Weight: 32 g

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Coros PACE 4 at a glance

Battery

Around two weeks

Up to 19 days in smartwatch mode. 41 hours with GPS.
GPS

Multi-band GPS

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

AMOLED, 1.2 in

1.2 in, always-on option and touchscreen.
Health

Heart, sleep and more

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

Smart features

Music.
Build

5 ATM water rating

32 g.

Coros PACE 4 full specifications

Overview

A sports watch from Coros, released in 2025.

Brand	Coros
Model	PACE 4
Series	PACE
Released	2025-11
Replaces	PACE 3
Colours	Black Crystal, Cloud White

Platform & apps

Runs Coros.

Operating system	Coros
Storage	4 GB

Display

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

1.2 in, always-on option and touchscreen.

Display type	AMOLED
Display name	AMOLED
Screen size	1.2 in
Resolution	390 x 390
Pixel density	460 ppi
Colour display	Yes
Always-on display	Yes
Touchscreen	Yes
Controls	touchscreen, crown, buttons, action button

Design & durability

A 43.4 mm case weighing 32 g.

Rated 5 ATM: fine for swimming laps and showers.

Case sizes	43.4 mm
Dimensions	43.4 x 43.4 x 11.8 mm
Thickness	11.8 mm
Weight (case)	32 g
Weight with band	40 g
Case material	Fiber Reinforced Polymer
Bezel material	6000 Series Aluminum Alloy
Lens	Mineral Glass
Back material	Fiber Reinforced Polymer
Band material	Silicone / Nylon
Band width	22 mm
Band fitting	Quick Release
Fits wrists	130-215 mm
Water resistance	5 ATM
Operating temperature	-20 to 50 °C

Battery

Around two weeks: up to 19 days in smartwatch mode.

With the always-on display, about 6 days. With GPS on, up to 41 hours, or 31 hours in multi-band mode. Real battery life depends on screen brightness, notifications and workouts.

Battery (smartwatch mode)	19 days
Battery (multi-band GPS)	31 hours
All battery modes	Smartwatch: 19 days; Always-on display: 6 days; All satellite systems: 41 hours; Multi-band GPS: 31 hours; Multi-band GPS + music: 12 hours
Charging	USB-C
Full charge time	120 min

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	Checkpoint, back-to-start, Deviation Alert, Touchscreen-Enabled Map Control, Safety Alerts

Health & sensors

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

For sleep, it offers sleep stages.

Sensors	optical HR, SpO2, skin temperature, accelerometer, gyroscope, barometer, compass, thermometer
Heart-rate variability	Yes
Blood oxygen (SpO2)	Yes
Skin temperature	Yes
Sleep tracking	Sleep stages
Stress tracking	Yes
Cycle tracking	Yes

Training

Built for training, with the metrics serious athletes use.

It adds a triathlon mode and daily suggested workouts.

Triathlon / multisport	Yes
Underwater heart rate	Yes
Training metrics	VO2 max, training load, race predictor, recovery time, lactate threshold, HRV status
Adaptive coaching	Yes
External sensors	Bluetooth sensors

Smart features

Smart extras include music storage.

Notifications	Yes
Microphone	Yes
Music storage	Yes
Wi-Fi	Wi-Fi
Find my phone	Yes
Find my watch	Yes

Diving, golf & more

Specialist modes	road running, trail running, cycling, climbing, fishing
Diving	None

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