Coros Coros APEX 4 GPS Outdoor Watch 42mm

Built for pure mountain performance, the COROS APEX 4 is engineered for athletes who push into the most demanding environments on earth. Developed with insight from elite mountain athletes, it combines ultra-precise GPS, exceptional battery life, advanced mapping, and powerful training tools to support your biggest adventures.

With a lightweight titanium build, sapphire glass, and a high-contrast MIP display, the APEX 4 is designed for durability and clarity in alpine conditions. Dual-frequency GPS, real-time mapping, and a built-in microphone and speaker ensure you stay informed, connected, and in control whether you're climbing, traversing, or exploring off the grid.

Key Features

• Up to 65 hours GPS battery life (46mm) or 41 hours (42mm) for ultra-endurance adventures


• Grade 5 titanium bezel with reinforced lugs for lightweight durability and strength


• Sapphire glass and 3rd-generation MIP display for excellent visibility in all conditions


• Precision dual-frequency GPS with advanced vertical tracking algorithms


• Real-time global mapping with turn-by-turn navigation, trail names, and POIs


• Built-in microphone and speaker for voice alerts, calls, and Adventure Journal input


• Adventure Journal feature records Voice Pins, terrain photos, and key activity details


• Comprehensive training metrics including HRV, sleep, SpO2, and recovery tracking


• Dual-range barometer for improved elevation accuracy and weather insights


• 3D Flyover analysis for post-activity review and performance insights