Ships in 1-2 business days | Based in Olathe, KS | Est. 1996

The COROS Apex 4 Sport Watch is built for training, racing, and beating your personal best. Premium features such as ultra-precise GPS, best-in-class battery, zero-lag mapping, a microphone and speaker, plus advanced training and recovery tools, give you the needed information to train as your best self. Made with alpine-grade materials, the touchscreen display is built for life outside, giving you peace of mind on adventures. Take on your biggest goals with the COROS Apex 4 supporting you along every step.

Features:

Long-lasting battery to get you through your longest days, even while using the GPS
Powerful mapping with free Global Maps, street and trail names, turn-by-turn navigation, and POIs
Precision dual-frequency GPS with vertical algorithms built for alpine terrain and sheer walls
Memory-in-Pixel touch screen with sharp contrast and easy readability in sun, snow, or shadows
Titanium bezel and sapphire glass deliver a lightweight feel with alpine-grade durability
Built-in speaker and mic for pace alerts, Voice Pins, and hands-free calls
Track and manage your recovery, HRV, sleep, SpO2, and training load for a 360-degree view of your training
Study every step of your training and race with 3D flyovers and adventure journaling

Includes:

Apex 4 Sport Watch
USB-C charging adaptor
Charging adaptor keyring case
**UCB-C charging cable NOT included

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Specs

Dimensions:

42mm: 1.7" Dia x 0.55"H | 42.6mm Dia x 14mm H
46mm: 1.8" Dia x 0.54"H | 46.2mm Dia x 13.7mm H

Display Size:

42mm: 1.2" | 3cm
46mm: 1.3" | 3.3cm

Weight:

42mm: 1.9oz | 56g
46mm: 2.3oz | 64g

Display Resolution:

42mm: 240 x 240 pixels
46mm: 260 x 260 pixels

Display Type: 3rd Generation Memory-in-Pixel touch screen

Watch band:

42mm:
- Width: 0.87" | 22mm
- Size: 5.3" - 8.1" | 135 - 205mm
- Installation Type: Quick Release
46mm:
- Width: 0.94" | 24mm
- Size: 5.5" - 8.5" | 140 - 215mm
- Installation Type: Quick Release

Water Resistance: 5ATM suitable for surface water activities and not for diving

Working temperature: -4°F to 122°F | -20°C to 50°C

Connectivity: Bluetooth and Data Sync over Wi-Fi/ COROS App

Estimated charging time: less than 2 hours

Memory:

Internal Memory: 23GB
Activity Memory: 1200 hours (estimates based on outdoor activities)

Battery Life:

	42mm	46mm
Endurance All Systems (GPS, GLONASS, Galileo, Beidou, QZSS)	41 hours 11 hours (with offline music playing)	65 hours 17 hours (with offline music playing)
High All Systems (GPS, GLONASS, Galileo, Beidou, QZSS)	34 hours 10 hours (with offline music playing)	53 hours 16 hours (with offline music playing)
Max Daily Frequency (GPS, GLONASS, Galileo, Beidou, QZSS)	26 hours 9 hours (with offline music playing)	41 hours 15 hours (with offline music playing)
Daily Use & Sleep Tracking	15 days	24 days

Sensors:

Speaker to take hands-free calls or play activity alerts out loud
Microphone to record training logs, use voice commands, and save voice pins
Optical heart rate monitor (may not work over tattoos)
Barometric altimeter
Accelerometer
Gyroscope
3D compass
Thermometer
Optical pulse oximeter
Electrocardiogram sensor

Training Features:

Effort pace (A personalized metric that represents true effort when running)
EvoLab (recovery, fatigue, training load, race predictor, VO2 max, threshold zones, and more metrics
Activity alerts (cadence, distance, pace, heart rate, power, and more)
Basic interval training
Pre-planned workouts
Training plans
Running fitness
Resting heart rate
Action camera control (supports select GoPro, DJI, Insta360 cameras
Virtual pacer
Virtual Run
Altitude mode (regular evaluation of SpO2 and fitness when at high altitudes
Touch scroll (swipe to scroll data pages during training)
Extender

Daily Features

Daily stress
Wellness check
Message/call alert (supports daily use and during training)
Sleep (with REM tracking)
Alarm
Timer
Stopwatch
Daily data (active calories, exercise time, storm, and more alerts)
Updateable firmwear (with Wi-Fi and the COROS app)
Find my phone
Find my watch
Always-on display
HRV
Music (plays offline music when paired with supported Bluetooth headsets)

Geo Location:

Satellite Systems: GPS, GLONASS, Galileo, Beidou, QZSS
GNSS Chipset: All-Satellite Dual-Frequency

Navigation:

Map Layer: Landscape (with trail and street names), Topo
Additional Features:
- Checkpoint
- Back-to-start
- Deviation alert
- Touchscreen-enabled map control
- Safety alerts

Materials:

Screen: Sapphire Glass
Bezel & Cover: Grade 5 Titanium Alloy and Fiber Reinforced Polymer
Band: Silicone

Made in China

***Discounts are not available on COROS products

COROS

Apex 4 Sport Watch by COROS