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COROS Apex 4 GPS Watch
COROS Apex 4 GPS Watch
COROS Apex 4 GPS Watch
COROS Apex 4 GPS Watch
COROS Apex 4 GPS Watch
COROS Apex 4 GPS Watch
COROS Apex 4 GPS Watch
COROS Apex 4 GPS Watch
COROS Apex 4 GPS Watch
COROS Apex 4 GPS Watch
COROS Apex 4 GPS Watch
COROS Apex 4 GPS Watch
COROS Apex 4 GPS Watch
COROS Apex 4 GPS Watch
COROS Apex 4 GPS Watch
COROS Apex 4 GPS Watch
COROS Apex 4 GPS Watch
COROS Apex 4 GPS Watch
COROS Apex 4 GPS Watch
COROS Apex 4 GPS Watch
COROS Apex 4 GPS Watch
COROS Apex 4 GPS Watch
COROS Apex 4 GPS Watch
COROS Apex 4 GPS Watch
COROS Apex 4 GPS Watch
COROS Apex 4 GPS Watch
COROS Apex 4 GPS Watch
COROS Apex 4 GPS Watch
COROS Apex 4 GPS Watch
COROS Apex 4 GPS Watch
COROS Apex 4 GPS Watch
COROS Apex 4 GPS Watch

COROS Apex 4 GPS Watch

by COROS
$429.00 - $479.00
$429.00
$429.00 - $479.00
$429.00

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COROS Apex 4 GPS Watch

The ultimate mountain sports watch built for training, racing, and beating your personal best.

  • 65hrs of GPS battery (46mm) or 41hrs (42mm), enough to get you through your longest days.
  • Our most 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.
  • 1.3 inch Memory-in-Pixel touch screen (46mm) or 1.2 inch (42mm), with sharp contrast and easy readability in sun, snow, or shadows.
  • A 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 racing with 3D Flyovers and Adventure Journaling.



FAQs

  • How fast does APEX 4 charge?
    0 to 100% in under 2 hours.
  • Can I use it while charging?
    Yes. Continue recording activities while the watch charges.
  • Does it support dual-frequency GPS?
    Absolutely. Our latest chipset is designed for tough GPS conditions.
  • Can I upload routes?
    Yes. Use GPX files or sync from Strava, Komoot, and more.
  • Is APEX 4 waterproof?
    WR50 certified.
  • Does it offer training insights?
    Yes. Including VO2 Max, FTP, Training Load, Recovery, and more.
  • Can I use it for strength workouts?
    Yes. Create and follow workouts with on-watch guidance.
  • Does it sync with Apple Health / Strava / Google Fit?
    Yes to all.
  • Does it support external sensors?
    Yes. BLE for HRM, cycling power, and more.
  • Does it have music or payments?
    Payment is not supported. Offline MP3 music is available directly from your watch.
  • How often are updates released?
    3–4 free firmware updates per year.

Specifications

Size and Weight

  • Dimensions (46mm): 46.2 x 46.2 x 13.7mm (Height excludes optical heart rate sensor)
  • Dimensions (42mm): 42.6 x 42.6 x 14mm (Height excludes optical heart rate sensor)
  • Weight (46mm): 64g (silicone), 51g (nylon)
  • Weight (42mm): 56g (silicone), 44g (nylon)

Display

  • Display Size: 1.3" (46mm) | 1.2" (42mm)
  • Resolution: 260 x 260 (46mm) | 240 x 240 (42mm)
  • Display Type: 3rd Generation Memory-in-Pixel Touchscreen

Materials

  • Screen: Sapphire Glass
  • Bezel: Grade 5 Titanium Alloy
  • Cover: Fiber Reinforced Polymer
  • Band: Silicone / Nylon

Watch Band

  • Width: 24mm (46mm) | 22mm (42mm)
  • Nylon Size: 140–215mm (46mm) | 135–205mm (42mm)
  • Silicone Size: 140–215mm (46mm) | 135–205mm (42mm)
  • Installation: Quick Release

Design

  • Digital Dial
  • Back Button
  • Action Button (shortcuts to maps, Pins, and more)

Connectivity

  • Bluetooth (Phone & Accessories)
  • Wi-Fi / COROS App Data Sync

Durability

  • 5 ATM Water Resistance (Surface use only, not diving)
  • Working Temp: -4°F to 122°F (-20°C to 50°C)
  • Storage Temp: -4°F to 140°F (-20°C to 60°C)

Battery

  • Endurance All Systems: 65 hrs (46mm) | 41 hrs (42mm)
  • Offline Music: 17 hrs (46mm) | 11 hrs (42mm)
  • High All Systems: 53 hrs (46mm) | 34 hrs (42mm)
  • Offline Music: 16 hrs (46mm) | 10 hrs (42mm)
  • Max Dual Frequency: 41 hrs (46mm) | 26 hrs (42mm)
  • Offline Music: 15 hrs (46mm) | 9 hrs (42mm)
  • Daily Use & Sleep: 24 days (46mm) | 15 days (42mm)
  • Charging Time: Under 2 Hours

Memory

  • 32GB Internal Storage
  • 1200 Hours Activity Memory (Outdoor estimate)

Geo Location & Navigation

  • GPS, GLONASS, Galileo, Beidou, QZSS
  • All-Satellite Dual-Frequency GNSS
  • Landscape & Topo Maps with Trail and Street Names
  • Downloadable Global Maps

Sensors

  • Speaker (activity alerts & hands-free calls)
  • Microphone / Dual-Mic with Noise Reduction (Voice Pins & logs)
  • Optical Heart Rate Monitor
  • Electrocardiogram (ECG) Sensor
  • Barometric Altimeter
  • Accelerometer
  • Gyroscope
  • 3D Compass
  • Thermometer (with compatible accessory)
  • Optical Pulse Oximeter (SpO2)

Training Features

  • Effort Pace
  • EvoLab (Recovery, VO2 Max, Training Load, Race Predictor, etc.)
  • Activity Alerts (pace, HR, cadence, power, distance)
  • Interval Training
  • Pre-Planned Workouts & Training Plans
  • Running Fitness
  • Resting & Underwater HR
  • Action Camera Control
  • Virtual Pacer & Virtual Run
  • Running Form Test (Requires COROS POD)
  • Altitude Mode
  • Touch Scroll
  • Extender Mode

Daily Features

  • Daily Stress & Wellness Check
  • Message/Call Alerts
  • Sleep Tracking (REM)
  • HRV
  • Alarm, Timer, Stopwatch
  • Daily Data (calories, exercise time, storm alerts)
  • Always-On Display
  • Find My Phone / Find My Watch
  • Offline Music (Bluetooth headphones)
  • Firmware Updates via Wi-Fi & COROS App

3rd Party Integration

  • Nike Run Club, Komoot, TrainingPeaks, Strava, Relive, adidas Running
  • Apple Health, Stryd, Final Surge, Runalyze, Running Quotient, Decathlon

Features

  • Alpine-Grade Engineering
    Lightweight titanium. Reinforced lugs. Touchscreen sapphire display.
  • More Detailed Maps
    Global maps with trail and street names, POIs, plus turn-by-turn navigation.
  • Battery Life
    Built to last through your longest days.
    APEX 4 (46mm): 65 hours
    APEX 4 (42mm): 41 hours
  • 3D Activity Flyover
    Study every step.
  • Accurate Data, All the Time
    Dual-frequency GPS
    Dual-range barometer
    Vertical GPS algorithms
  • 30x Faster Map & Graphic Rendering
  • COROS App — Where Your Journey Lives
    Plan and track while reliving every memory, stat, and summit in one place.
  • Speaker + Microphone
    Receive audio alerts during activities, record Voice Pins, and take hands-free calls.
  • Environments & Weather
    View real-time weather, air pressure, wind, and more.
  • Memory-in-Pixel Advantage
    An always-on MIP display that’s easy to read in sun, snow, or shadows.



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