This is the ultimate mountain sports watch, built for training, racing, and beating your personal best. Mountain sports have unique demands, and the COROS APEX 4 is designed to provide everything you need to succeed, from your first trail race to your next big summit.

Alpine-Grade Engineering: Lightweight titanium, reinforced lugs, sapphire glass

Zero-Lag Mapping: Get on-device global maps and 3D terrain views, with real-time navigation that never slows down.

Climbing Precision: Features specialized Vertical GPS and four dedicated climbing modes to log every ascent with precision.

Real-Time Data: Track your vertical in real time, use Effort Pace for training, and rely on fitness metrics and advanced map layers to stay oriented.

Always Ready: Accurate data, incredible battery life, and a display that's always visible set you up for success, no matter the snow, sun, or your speed.

What's New in the Apex 4?

More accurate GPS
Durable built: titanium bezel and scratch-free sapphire glass display
More detailed maps – both on street and trail
Dual-range barometer calibrated for rapid elevation and terrain changes
30x faster mapping graphic rendering speed
Exceptional battery life: last 100 miles (up to 41hrs) or 15 days of daily use
Built-in microphone and speaker for hands-free calls and voice notes
Always-on MIP display - better colours and sharp

Specifications

Dimensions: 42.6 x 42.6 x 14mm
Weight: 56g (with silicone band) or 44g (with nylon band)
Display: 1.2 inches
Display Resolution: 240 x 240 pixels
Watch Band: 22mm
Water Resistance: 5 ATM
Battery Life: up to 41 hours on Endurance All Systems mode / 15 days on Daily Use mode

COROS APEX 4

COROS Apex 4 46mm GPS Watch

COROS Apex 4 42mm GPS Watch