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COROS PACE 4

COROSSport smartwatch

PACE 4

Released November 2025.17Reviewandroidcentral.com/wearables/coros/i-tested-the-coros-pace-4-and-its-new-best-cheap-running-watch-of-2025Read 8 October 2026 Last checked 23 October 2026.

Case size
Not available
Platform
Not available
Display type
OLED
Battery life
456h

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At a glance

All specs

SourceCalculated

General

Series
PACE1Maker product pagecoros.com/pace4/specsRead 8 October 2026PACE series history on overview identifies PACE 4 as the November 2025 generation. This record uses the standard polymer model with Black nylon band.
Model numbers
W335, WPACE4-BLK-N11Retailer pagerunningwarehouse.com/Coros_Pace_4_GPS_Sport_Watch_Nylon_Band/descpage-CPAC4N.htmlRead 8 October 2026Black Nylon stock number WPACE4-BLK-N. Regulatory hardware model W335 is independently confirmed in manufacturer quick-start packaging and FCC radio report. White Nylon, silicone and Aluminum editions are not included.14Owner's manualfccid.io/2BBGF-W335/User-Manual/Users-Manual1-8793551.pdfRead 8 October 2026Maker Quick Start Guide, only page, explicitly identifies W335 and pairing to COROS app. Commercial Black Nylon SKU independently supplied by exact retailer.
GTIN / EAN
Not available
Announced
10 November 202517Reviewandroidcentral.com/wearables/coros/i-tested-the-coros-pace-4-and-its-new-best-cheap-running-watch-of-2025Read 8 October 2026Contemporaneous November 10 2025 launch report states availability on this date in US and European markets.
Status
Available11Retailer pagerunningwarehouse.com/Coros_Pace_4_GPS_Sport_Watch_Nylon_Band/descpage-CPAC4N.htmlRead 8 October 2026Exact Black Nylon US package listed in stock when accessed.
Predecessor
COROS PACE 319Reviewnotebookcheck.net/Coros-Pace-4-launches-as-new-runners-smartwatch-with-AMOLED-display-and-improved-battery-life.1159704.0.htmlRead 23 October 2026Notebookcheck calls the Pace 4 a fourth-generation Pace and names the outgoing Pace 3 as its predecessor.
Successor
Not available
Launch price (US)
$24917Reviewandroidcentral.com/wearables/coros/i-tested-the-coros-pace-4-and-its-new-best-cheap-running-watch-of-2025Read 8 October 2026Launch price 249 USD for standard PACE 4. US tax treatment not stated.
Launch price (EU)
€26917Reviewandroidcentral.com/wearables/coros/i-tested-the-coros-pace-4-and-its-new-best-cheap-running-watch-of-2025Read 8 October 2026Launch price 269 EUR in France for standard PACE 4. Tax treatment not stated. Aluminum and later special editions excluded.
Markets
US11Retailer pagerunningwarehouse.com/Coros_Pace_4_GPS_Sport_Watch_Nylon_Band/descpage-CPAC4N.htmlRead 8 October 2026Retail listing explicitly restricts shipment to US. This reference does not assert regional band or warranty inheritance.
Colours
Black11Retailer pagerunningwarehouse.com/Coros_Pace_4_GPS_Sport_Watch_Nylon_Band/descpage-CPAC4N.htmlRead 8 October 2026
Segment
Sport2Maker product pagecoros.com/pace4Read 8 October 2026Maker describes a GPS sport watch for running, road training and triathlon.
OS updates promised
Not available
Security updates until
Not available

Case

Front and side, drawn to scale.

Case size
Not available
Case shape
Round1Maker product pagecoros.com/pace4/specsRead 8 October 2026Round case outline in the exact standard PACE 4 maker product image.
Case material
Fibre-reinforced polymer1Maker product pagecoros.com/pace4/specsRead 8 October 2026Materials group names Fiber Reinforced Polymer for both cover and bezel. Aluminum editions are excluded.
Case material (as published)
Fiber Reinforced Polymer1Maker product pagecoros.com/pace4/specsRead 8 October 2026Materials > Cover Material and Bezel Material both state Fiber Reinforced Polymer.
Back
Not available
Case dimensions
Height43.4Width43.4Thickness11.8mm(1.7 × 1.7 × 0.5 in)1Maker product pagecoros.com/pace4/specsRead 8 October 2026Size and Weight > Dimensions. Height excludes the optical heart-rate sensor. Android Central lists 13.6 mm without the same exclusion, so its value is not substituted.
Weight (case only)
Not available
Weight with strap
32g(1.1 oz)1Maker product pagecoros.com/pace4/specsRead 8 October 2026Standard PACE 4 with nylon band. Maker separately gives 40 g with silicone, which is not the selected reference.

Durability

Water resistance
5ATM1Maker product pagecoros.com/pace4/specsRead 8 October 2026Durability > Water Resistance. 5 ATM is suitable for surface-water activity, not diving. No safe dive depth is inferred.
Water resistance standard
Not available
Dust and water rating
Not available
Dive rating
Not available
Max dive depth
Not available
MIL-STD-810
Not available
MIL-STD-810 tests
Not available
Operating temperature
Min-20Max50°C1Maker product pagecoros.com/pace4/specsRead 8 October 2026Durability > Working Temperature -20 to 50 C. Storage -20 to 60 C is a separate range.

Display

Display type
OLED1Maker product pagecoros.com/pace4/specsRead 8 October 2026
Display type (as published)
Touch Screen Always-On AMOLED Display1Maker product pagecoros.com/pace4/specsRead 8 October 2026
Screen size
1.2in(3 cm)1Maker product pagecoros.com/pace4/specsRead 8 October 2026
Resolution
390 × 390px1Maker product pagecoros.com/pace4/specsRead 8 October 2026
Pixel density
Not available
Display area
Not available
Touchscreen
Yes1Maker product pagecoros.com/pace4/specsRead 8 October 2026
Max refresh rate
Not available
Min refresh rate
Not available
Peak brightness
1,500nits15Reviewthe5krunner.com/2025/11/11/coros-pace-4-review-budget-sports-watch-dual-bandRead 8 October 2026Reviewer-stated 1500-nit display capability. No photometer measurement, screen area or ambient-light test details published, so measured brightness is omitted.
Minimum brightness
Not available
Always-on display
Yes1Maker product pagecoros.com/pace4/specsRead 8 October 2026
Display cover
Other glass1Maker product pagecoros.com/pace4/specsRead 8 October 2026
Display cover (as published)
Mineral Glass1Maker product pagecoros.com/pace4/specsRead 8 October 2026

Platform

Platform
Not available
OS at launch
Not available
Software
Not available
Latest OS
V3.2008.07Maker product pagesupport.coros.com/hc/en-us/articles/43894707031060-COROS-PACE-4-Release-NotesRead 8 October 2026Latest published PACE 4 firmware, September 26 2026. An FCC test sample firmware V3.1204 is not an OS-at-launch promise.
Works with
iOS, Android4Owner's manualsupport.coros.com/hc/en-us/articles/42961616826900-Set-Up-Your-COROS-PACE-4Read 8 October 2026
Phone requirement
Not available
App store
No15Reviewthe5krunner.com/2025/11/11/coros-pace-4-review-budget-sports-watch-dual-bandRead 8 October 2026Pros/Cons and Daily Usage explicitly say no third-party apps or app store. Account sync to Strava is not installation of third-party watch apps.
Voice assistants
Not available
Chipset
Ambiq Apollo 51016Reviewtechradar.com/health-fitness/smartwatches/coros-pace-4-reviewRead 8 October 2026Performance section names Ambiq Apollo 510 for exact PACE 4. No process node, CPU clock/core layout, GPU, RAM or another product chipset detail is inferred.
Process
Not available
CPU cores
Not available
CPU configuration
Not available
Max CPU clock
Not available
GPU
Not available
Low-power coprocessor
Not available

Memory

RAM
Not available
Storage
4GB1Maker product pagecoros.com/pace4/specsRead 8 October 2026Memory > Internal Memory 4GB. Shared by music and downloaded maps. Free user space may be lower.

Health sensors

Heart rate sensor
Optical Heart Rate Monitor1Maker product pagecoros.com/pace4/specsRead 8 October 2026Data Tracking > Optical Heart Rate Monitor. Tattoos may affect readings.
ECG capability
No15Reviewthe5krunner.com/2025/11/11/coros-pace-4-review-budget-sports-watch-dual-bandRead 8 October 2026Quick answers explicitly says PACE 4 has no ECG sensor. Android Central ECG claims are not used.
Blood oxygen sensing
Yes1Maker product pagecoros.com/pace4/specsRead 8 October 2026
Skin temperature sensing
Not available
Blood pressure feature
Not available
Body composition sensor
Not available
Skin conductance (EDA)
Not available
Medical clearances
Not available

Motion and environment sensors

Accelerometer
Yes1Maker product pagecoros.com/pace4/specsRead 8 October 2026
Accelerometer range
Not available
Gyroscope
Yes1Maker product pagecoros.com/pace4/specsRead 8 October 2026
Barometric altimeter
Yes1Maker product pagecoros.com/pace4/specsRead 8 October 2026
Compass
Yes1Maker product pagecoros.com/pace4/specsRead 8 October 2026
Ambient light sensor
Not available
Depth gauge
Not available
Depth gauge range
Not available
Water temperature sensor
Not available

Health and fitness

Health features
Blood oxygen app, Heart rate variability, Sleep tracking, Sleep stages, Stress tracking, Cycle tracking1Maker product pagecoros.com/pace4/specsRead 8 October 2026Data Tracking > Daily Features names Daily Stress, Sleep with REM and HRV. Oximeter app and cycle tracking supported by exact setup manual. No continuous resting-heart-rate interval inferred.2Maker product pagecoros.com/pace4Read 8 October 2026Recovery and Wellness Hub names sleep stages, HRV and cycle tracking. Current specification daily features explicitly names Daily Stress. Blood oxygen app is documented by the model setup manual. Continuous per-second resting HR is not assumed.4Owner's manualsupport.coros.com/hc/en-us/articles/42961616826900-Set-Up-Your-COROS-PACE-4Read 8 October 2026Setup manual > Sleep and Wellness Features names sleep, overnight HRV and menstrual cycles. Oximeter section describes manual SpO2 readings. Daily Stress toggle is documented under System > More Settings.
Fitness features
VO2 max, Training load, Recovery advice, Running power, Pool swim, Open water swim, Interval workouts, Route navigation, Turn-by-turn navigation, Trackback1Maker product pagecoros.com/pace4/specsRead 8 October 2026Data Tracking > EvoLab explicitly lists training load, recovery and VO2 max. Basic Interval Training is named. Back-To-Start navigation is documented. Purchase FAQ separately proves swimming and running-power plans.3Maker product pagecoros.com/buy/pace4Read 8 October 2026FAQ names VO2 max, running power based plans, intervals, route guidance, pool and open-water swim. EvoLab specification names training load and recovery. Setup manual Navigation Settings names Back to Start retracing the GPS track. No automatic workout detection or exact sports count is inferred.4Owner's manualsupport.coros.com/hc/en-us/articles/42961616826900-Set-Up-Your-COROS-PACE-4Read 8 October 2026Navigation Settings > Turn by Turn and Back to Start retracing your GPS track. Structured training metrics and swimming are documented on product spec and purchase pages.
Sport profiles
Not available
Dive modes
Not available
External sensors
Heart rate strap, Power meter, Foot pod15Reviewthe5krunner.com/2025/11/11/coros-pace-4-review-budget-sports-watch-dual-bandRead 8 October 2026Sports connectivity explicitly names Bluetooth heart-rate monitors, cycling power meters, COROS POD/POD 2 and Stryd. No smart-trainer capability is inferred.

Safety

Fall detection
Not available
Car crash detection
Not available
Emergency SOS
Yes10Maker product pagesupport.coros.com/hc/en-us/articles/25514157012116-Safety-AlertsRead 8 October 2026Manual Safety Alert sends location and live tracking to up to three preset contacts during outdoor activities. Paired phone connected by Bluetooth with COROS app running and phone cellular service required. Email and regional SMS support. It does not contact local emergency services.
Emergency siren
Not available
Live location sharing
Yes9Maker product pagesupport.coros.com/hc/en-us/articles/51716258730772-How-to-Use-Live-TrackingRead 8 October 2026PACE 4 compatibility explicit. Outdoor activities only. Paired phone, COROS app running in background and internet connection required. Firmware V3.1808.0 added it July 29 2026.
Dedicated LED flashlight
No4Owner's manualsupport.coros.com/hc/en-us/articles/42961616826900-Set-Up-Your-COROS-PACE-4Read 8 October 2026Flashlight illuminates the AMOLED display white. It is not a dedicated hardware LED.

Positioning

Positioning
GPS, GLONASS, Galileo, BeiDou, QZSS1Maker product pagecoros.com/pace4/specsRead 8 October 2026Geo Location > Satellite Systems. Signal bands are not inferred from dual-frequency support.
Dual-band GNSS
Yes1Maker product pagecoros.com/pace4/specsRead 8 October 2026
Offline maps
Yes7Maker product pagesupport.coros.com/hc/en-us/articles/43894707031060-COROS-PACE-4-Release-NotesRead 8 October 2026September 26 2026 V3.2008.0 explicitly adds Global map support. Current spec sheet lists downloadable Landscape and Topo maps, while online setup gives Map Manager download instructions. Launch reviews and an unchanged purchase FAQ describe pre-update breadcrumb-only behavior.

Connectivity

Bluetooth
Yes1Maker product pagecoros.com/pace4/specsRead 8 October 2026
Bluetooth version
5.412Regulatory filingfccid.io/2BBGF-W335/Test-Report/Test-Report-8793424.pdfRead 8 October 2026Printed page 7, Product Information. Hardware W335 V5, tested firmware V3.1204. Published Bluetooth version 5.4.
Wi-Fi
Yes1Maker product pagecoros.com/pace4/specsRead 8 October 2026
Wi-Fi standard
Wi-Fi 613Regulatory filingfccid.io/2BBGF-W335/Test-Report/Test-Report2-8793544.pdfRead 8 October 2026Printed page 7, W335 V5 / V3.1204. Wi-Fi Specification IEEE 802.11b/g/n/ax. 802.11ax maps to Wi-Fi 6. Tested operation is 20 MHz channels at 2412-2462 MHz.
Wi-Fi bands
2.4 GHz13Regulatory filingfccid.io/2BBGF-W335/Test-Report/Test-Report2-8793544.pdfRead 8 October 2026Exact W335 Wi-Fi report specifies 2.4 GHz operation at 2412-2462 MHz. No 5/6 GHz capability is inferred.
Cellular
Not available
Network
Not available
4G bands
Not available
5G bands
Not available
NFC
Not available
Contactless payments
No15Reviewthe5krunner.com/2025/11/11/coros-pace-4-review-budget-sports-watch-dual-bandRead 8 October 2026Quick answers explicitly says no NFC payment support. Physical NFC hardware absence is not inferred.
Payment services
Not available
Ultra-wideband
Not available
Satellite
Not available
ANT+
No15Reviewthe5krunner.com/2025/11/11/coros-pace-4-review-budget-sports-watch-dual-bandRead 8 October 2026Sports connectivity and Quick answers explicitly say Bluetooth sensors only, not ANT+.

Audio

Speaker
No8Owner's manualsupport.coros.com/hc/en-us/articles/42970041319060-Daily-FeaturesRead 8 October 2026Music section explicitly states the watch itself has no speakers and requires a Bluetooth headset or external speaker for local MP3 playback.
Microphones
216Reviewtechradar.com/health-fitness/smartwatches/coros-pace-4-reviewRead 8 October 2026Design section explicitly identifies an integrated dual-microphone system. Count supported independently by Android Central.
Calls on the watch
None15Reviewthe5krunner.com/2025/11/11/coros-pace-4-review-budget-sports-watch-dual-bandRead 8 October 2026Exact review describes microphone with no speaker and phone message/call alerts. Android Central also explicitly says it lacks a speaker for Bluetooth calling. These alerts are not voice-call handling.
Music on the watch
Yes1Maker product pagecoros.com/pace4/specsRead 8 October 2026

Controls

Buttons
24Owner's manualsupport.coros.com/hc/en-us/articles/42961616826900-Set-Up-Your-COROS-PACE-4Read 8 October 2026Two push buttons excluding the clickable rotating Digital Dial. Setup > Operating PACE 4 names all three controls.
Named operating buttons
Back/Lap Button, Action Button4Owner's manualsupport.coros.com/hc/en-us/articles/42961616826900-Set-Up-Your-COROS-PACE-4Read 8 October 2026
Crown
Rotating4Owner's manualsupport.coros.com/hc/en-us/articles/42961616826900-Set-Up-Your-COROS-PACE-4Read 8 October 2026Digital Dial scrolls and presses to confirm. No haptic crown claim is inferred.
Rotating bezel
Not available
Gestures
Raise wrist to wake display4Owner's manualsupport.coros.com/hc/en-us/articles/42961616826900-Set-Up-Your-COROS-PACE-4Read 8 October 2026

Battery and charging

Battery capacity
323mAh12Regulatory filingfccid.io/2BBGF-W335/Test-Report/Test-Report-8793424.pdfRead 8 October 2026Printed page 7 states battery capacity 323 mAh at 3.91 V and 1.263 Wh for W335. Battery rating, not a capacity derived from runtime or charging input.
Claimed battery life
ModeWith solarHours (h)
SmartwatchNo456
Always-onNo144
GPS, all systemsNo41
GPS, all systems, always-on displayNo30
GPS, dual-bandNo31
GPS, dual-band, always-on displayNo24
GPS, all systems with musicNo14
GPS, dual-band with musicNo12
Source1Maker product pagecoros.com/pace4/specsRead 8 October 2026Battery > All Systems and Dual Frequency tables directly state 14 hours and 12 hours with offline music, respectively. AOD behavior during these music modes is not stated. Other endurance rows match the dedicated battery help table.6Maker product pagesupport.coros.com/hc/en-us/articles/23476623096980-Battery-SpecificationsRead 8 October 2026PACE 4 row: daily use with Sleep Tracking + Daily Stress, 19 days with AOD off or 6 days with AOD on. High All Systems 41 hours or 30 with AOD. Max Dual Frequency 31 hours or 24 with AOD. Exact product specifications additionally give All Systems with offline music 14 hours and Dual Frequency with music 12 hours, without stating AOD behavior. Screen/navigation/satellite reception/accessories affect endurance. No GPS-only row is published.
Smartwatch mode (claimed)
456h
AOD battery life (up to)
144h
GPS mode (claimed)
Not available
Solar charging
Not available
Charging method
Proprietary plug5Owner's manualsupport.coros.com/hc/en-us/articles/42974723632276-Charging-Your-PACE-4Read 8 October 2026Metal pins on A2 adapter plug into the rear watch charging port and snap into place. Standard USB-C connects to A2, not directly to the watch. No Qi or generic magnetic-pin interoperability is claimed.
Charging guidance
Not available
Max charging power (watch)
Not available
Fast charging
Not available
Quick charge claim
Not available
Charge 0 to 80% (claimed)
Not available
Full charge time (claimed)
120min1Maker product pagecoros.com/pace4/specsRead 8 October 2026Battery > Charging Time states Less Than 2 Hours. Stored 120 minutes is the upper bound of the nominal full-charge claim, not an exact duration or a measured empty-to-full test.

Measured

We could not find any of these 4 fields. Show them
Peak brightness (measured)
Not available
Battery life (measured)
Not available
Battery tests (measured)
Not available
Full charge time (measured)
Not available

Strap

Lug width
22mm1Maker product pagecoros.com/pace4/specsRead 8 October 2026
Quick-release strap
Yes1Maker product pagecoros.com/pace4/specsRead 8 October 2026
Strap system
22 mm quick-release straps1Maker product pagecoros.com/pace4/specsRead 8 October 2026
Strap material
Nylon1Maker product pagecoros.com/pace4/specsRead 8 October 2026Selected standard Black Nylon package WPACE4-BLK-N. Other available straps are excluded from the reference.
Strap
Black nylon band1Maker product pagecoros.com/pace4/specsRead 8 October 2026Selected Black Nylon package, not a silicone strap or Aluminum Black Crystal edition.
Strap sizes
SizeWrist (min) (mm)Wrist (max) (mm)
Nylon135205
Source1Maker product pagecoros.com/pace4/specsRead 8 October 2026Watch Band > Size Nylon gives 135-205 mm. The silicone range is 130-215 mm and is excluded.

Regulatory

FCC ID
2BBGF-W33512Regulatory filingfccid.io/2BBGF-W335/Test-Report/Test-Report-8793424.pdfRead 8 October 2026Cover and Product Information identify COROS PACE 4 / W335 / 2BBGF-W335. The report is a public mirror of the FCC manufacturer filing.
SAR limb (US)
Not available
SAR limb (EU)
Not available
Other certifications
Not available

In the box

In the box
COROS PACE 4 GPS Watch with Black nylon band, COROS A2 Charging Adapter4Owner's manualsupport.coros.com/hc/en-us/articles/42961616826900-Set-Up-Your-COROS-PACE-4Read 8 October 2026What Is In the Box lists PACE 4 and COROS A2 Charging Adapter. The selected retail package supplies a Black nylon band. Product page states USB-C cable is not included.
Power adapter in box
No4Owner's manualsupport.coros.com/hc/en-us/articles/42961616826900-Set-Up-Your-COROS-PACE-4Read 8 October 2026A2 is a watch-side charging adapter. The box does not contain a mains/USB power adapter.

Warranty

Manufacturer warranty (source market)
2years18Maker product pagesupport.coros.com/hc/en-us/articles/360039803532-COROS-Warranty-PolicyRead 8 October 2026COROS Warranty Details states 2-year warranty from original activation for watches. Straps, charging cables and nonbattery accessories separately have 6-month coverage. Local consumer-law rights may differ.

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Sources

We read 19 sources for this smartwatch. The numbers match the markers in the sheet.

  1. Maker product pagecoros.com/pace4/specs
    Read 8 October 2026Backs 40 fields
  2. Maker product pagecoros.com/pace4
    Read 8 October 2026Backs 2 fields
  3. Maker product pagecoros.com/buy/pace4
    Read 8 October 2026Backs 1 field
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  19. Read 23 October 2026Backs 1 field

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PredecessorCOROS PACE 3