The COROS APEX 4 bridges the gap between everyday training watch and expedition-ready tool. Sleek enough for daily wear yet built with a titanium bezel and sapphire lens, it’s equally at home in the office, on the trail or clipped to a pack strap as a trusted navigation and training companion.

Its bright, always-on display is easy to read in harsh midday sun or pre-dawn starts, while multi-band GPS and outdoor sensors track pace, distance, altitude and weather-related changes with confidence. Runners, hikers and climbers all benefit from in-depth training metrics, wrist-based heart rate and recovery insights that help guide smarter sessions rather than just longer ones.

With long-lasting battery, quick-release straps and seamless sync to the COROS app and popular third-party platforms, the APEX 4 slots neatly into an active life. From local bush tracks to alpine missions, it offers a durable, no-fuss way to keep an eye on progress and stay oriented when adventure calls.

Features

• 65hrs of GPS battery (46mm) or 41hrs (42mm), enough to get you through your longest days.
  
• Coros' most powerful mapping with free Global Maps, street and trail names, turn-by-turn navigation, and POI's
  
• 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.