The COROS APEX 4 is a premium GPS outdoor sports watch designed for athletes who train, race and explore in demanding environments. Built with a Grade 5 titanium bezel, reinforced lugs and scratch-resistant sapphire glass, it combines durability with a lightweight design for long days outdoors.

The 42mm APEX 4 features a 3rd-generation always-on Memory-in-Pixel touchscreen with excellent readability in bright sunlight, snow and changing conditions. Its precision dual-frequency GPS, vertical GPS algorithms and dual-range barometer provide accurate positioning and elevation data, making it well suited for trail running, climbing, hiking, cycling, skiing and other mountain sports.

With up to 41 hours of All-Systems GPS battery life, global maps with trail and street names, turn-by-turn navigation and points of interest, the APEX 4 is built for extended adventures. The integrated microphone and speaker also support voice notes, audio alerts and hands-free calls.

Advanced training and recovery features include heart rate monitoring, HRV, sleep tracking, SpO2, stress monitoring, training load, recovery insights and VO2 Max. The watch also supports external Bluetooth sensors, route uploads and connectivity with platforms such as Strava, Komoot, Apple Health and Google Fit.

Key Features:

• Alpine-grade construction
• Scratch-resistant sapphire glass
• Lightweight titanium bezel
• Precision dual-frequency GPS
• Advanced elevation tracking
• Always-on MIP touchscreen
• Detailed global maps and turn-by-turn navigation
• Up to 41 hours of All-Systems GPS battery life
• Built-in speaker and microphone
• Advanced training and recovery metrics
• Sleep, HRV, SpO2 and stress monitoring
• Designed for trail running, climbing, skiing, hiking, cycling and mountain sports