Coros PACE 4 Pro

Display: LTPO OLED, 1.47 in
Case sizes: 47.6 mm
Battery: 21 days
Water resistance: 5 ATM
Weight: 51 g

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Coros PACE 4 Pro at a glance

Battery

Weeks between charges

Up to 21 days in smartwatch mode. 60 hours with GPS.
GPS

Multi-band GPS

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

LTPO OLED, 1.47 in

1.47 in, up to 3,500 nits, always-on option and touchscreen.
Health

ECG on the wrist

Measures ECG, blood oxygen and HRV.
Phone & smart

Smart features

Music and calls.
Build

5 ATM water rating

51 g. Sapphire lens.

Coros PACE 4 Pro full specifications

Overview

Brand	Coros
Model	PACE 4 Pro
Series	PACE
Versions	Silicone band, Nylon band

Platform & apps

Runs Coros.

Operating system	Coros
Storage	32 GB

Display

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

1.47 in, up to 3,500 nits, always-on option and touchscreen.

Display type	LTPO OLED
Display name	LTPO AMOLED
Screen size	1.47 in
Resolution	466 x 466
Peak brightness	3,500 nits
Colour display	Yes
Always-on display	Yes
Touchscreen	Yes
Controls	touchscreen, buttons, crown, action button

Design & durability

A 47.6 mm case weighing 51 g.

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

Case sizes	47.6 mm
Dimensions	47.6 x 47.6 x 11.8 mm
Thickness	11.8 mm
Weight (case)	51 g
Weight with band	51 g
Case material	TC4 titanium alloy
Bezel material	Grade 5 Titanium Alloy
Lens	Sapphire Glass
Band material	Silicone / Nylon
Band width	22 mm
Band fitting	Quick Release
Fits wrists	140-220 mm
Water resistance	5 ATM
Operating temperature	-20 to 50 °C

Battery

Weeks between charges: up to 21 days in smartwatch mode.

With the always-on display, about 7 days. With GPS on, up to 60 hours, or 40 hours in multi-band mode. Real battery life depends on screen brightness, notifications and workouts.

Battery (smartwatch mode)	21 days
Battery (multi-band GPS)	40 hours
All battery modes	Smartwatch: 21 days; Always-on display: 7 days; All satellite systems: 2.5 days; Multi-band GPS: 40 hours; Multi-band GPS + music: 15 hours
Battery type	Li-ion
Charging	USB-C
Full charge time	90 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	turn-by-turn, back-to-start

Health & sensors

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

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

Sensors	optical HR, ECG electrode, SpO2, accelerometer, gyroscope, barometer, compass, thermometer
Heart-rate tracking	24/7
ECG	Yes
Heart-rate variability	Yes
Blood oxygen (SpO2)	Yes
Sleep tracking	Sleep stages
Stress tracking	Yes

Safety

Live tracking	Yes

Training

Built for training, with the metrics serious athletes use.

It adds a triathlon mode.

Triathlon / multisport	Yes
Underwater heart rate	Yes
Training metrics	VO2 max, training load, race predictor, lactate threshold, recovery time
Running dynamics	Yes
External sensors	Bluetooth HR strap, foot pod

Smart features

Smart extras include music storage and calls on the wrist.

Notifications	Yes
Calls on the watch	Yes
Speaker	Yes
Microphone	Yes
Music storage	Yes
Find my phone	Yes
Find my watch	Yes
Flashlight	Yes

Diving, golf & more

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.