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COROS APEX 4 Mountain Sports GPS Watch (Open Box)

by COROS
Authorized Dealer PlayBetter is a trusted Authorized Dealer for this brand. All purchases are eligible for full manufacturer warranty protection.
$479.00
$429.00 - $479.00
$479.00
$455.00
$408.00 - $455.00
$455.00

Need Help?

Talk with an expert Need expert advice?

The COROS APEX 4 GPS Watch delivers titanium strength, dual-frequency precision, 65-hour battery, and global maps with turn-by-turn navigation. Track HRV, recovery, and SpO₂ for elite mountain performance.

COROS APEX 4 Mountain Sports GPS Watch (Open Box)
Dave from Chase The Summit
COROS is keeping the MIP display alive, and I feel like some of you are going to be very happy about that (with) the new COROS APEX 4.
Chase The Summit - YouTube Channel

COROS APEX 4 Mountain Sports GPS Watch (Open Box)

by COROS
Authorized Dealer PlayBetter is a trusted Authorized Dealer for this brand. All purchases are eligible for full manufacturer warranty protection.
$429.00
$429.00 - $479.00
$429.00
$455.00
$408.00 - $455.00
$455.00

Need Help?

Talk with an expert Need expert advice?

The COROS APEX 4 GPS Watch delivers titanium strength, dual-frequency precision, 65-hour battery, and global maps with turn-by-turn navigation. Track HRV, recovery, and SpO₂ for elite mountain performance.

Model: White

COROS APEX 4 Mountain Sports GPS Watch with titanium design, dual-frequency GPS, free global maps, 65-hour battery, HRV tracking, and 3D Flyovers for training and adventure.

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WHAT'S INCLUDED IN THE BOX?

COROS APEX 4 GPS Watch (Open Box)

USB-C Keychain Adapter

Alpine-Grade Strength, Featherweight Build

The APEX 4 is engineered for the extremes. Built with a titanium bezel, reinforced lugs, and a sapphire glass touchscreen, it delivers strength without the bulk. Every detail is optimized for mountain conditions — durable, lightweight, and ready to perform above the clouds.

  • Titanium bezel with alpine-grade durability
  • Reinforced lugs resist stress from intense activity
  • Sapphire glass touchscreen for scratch resistance
  • Lightweight design for all-day comfort
  • 46mm and 42mm sizes for a custom fit

Dual-Frequency GPS Accuracy for Rugged Terrain

Go anywhere with confidence. The APEX 4’s dual-frequency GPS and vertical algorithms ensure you stay locked on your route even in deep valleys, thick forests, or steep walls. No more dropped signals — just precision tracking where it matters most.

  • Dual-frequency GPS for accurate tracking in challenging terrain
  • Vertical GPS algorithms built for mountain environments
  • Multi-band support for fast signal acquisition
  • 30× faster map rendering and graphic performance
  • Dual-range barometer for reliable altitude data

Ultimate Mapping and Navigation Tools

Explore smarter with COROS’s most advanced mapping system yet. The APEX 4 includes free global maps with street and trail names, POIs, and turn-by-turn navigation to guide your every move. Plan routes, log summits, and relive your climbs with 3D Flyovers and Adventure Journaling in the COROS app.

  • Free global maps with detailed topography
  • Turn-by-turn navigation with street and trail names
  • POI display and route planning integration
  • 3D Flyovers and Adventure Journaling in the COROS app
  • 30× faster map rendering for smooth visuals on the go

Smarter Training, Recovery, and Connectivity

Train harder and recover smarter. The APEX 4 gives you a full view of your body’s performance with HRV tracking, recovery scores, sleep monitoring, and SpO₂ data. Built-in speaker and microphone deliver pace alerts, let you record voice notes, and even take hands-free calls during workouts.

  • Tracks HRV, training load, recovery, sleep, and SpO₂
  • Real-time health metrics to optimize training intensity
  • Built-in speaker for pace and navigation alerts
  • Record Voice Pins or take hands-free calls
  • COROS app sync for detailed performance insights

COROS APEX 4 (Open Box) FAQs

Additional Information on COROS APEX 4 Mountain Sports GPS Watch (Open Box)

Specs

46mm: 46.2 × 46.2 × 13.7 mm (height does not include optical heart rate sensor)

42mm: 42.6 × 42.6 × 14 mm (height does not include optical heart rate sensor)

46mm Weight: 64 g (with silicone band)

46mm Weight: 51 g (with nylon band)

42mm Weight: 56 g (with silicone band)

42mm Weight: 44 g (with nylon band)

Display Size: 1.3 inches / 1.2 inches

Display Resolution: 260 × 260 pixels / 240 × 240 pixels

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

Screen Material: Sapphire Glass

Bezel Material: Grade 5 Titanium Alloy

Cover Material: Fiber Reinforced Polymer

Band Material: Silicone / Nylon