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COROS Apex 4 GPS Outdoor Watch
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The ultimate mountain sports watch built for training, racing, and beating your personal best.
- 46mm: 24 days of regular use / 65 hours of full GPS
- 42mm: 15 days of regular use / 41 hours of full GPS
Regular use include Sleep, Daily Stress and Daily HR Readings - Our most powerful mapping with free Global Maps, street and trail names, turn-by-turn navigation, and POl's
- Precision dual-frequency GPS with vertical algorithms built for alpine terrain and sheer walls.
- 1.3 inch (46mm), 1.2 inch (42mm) Memory-in-Pixel touch screen 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.

alpine-grade engineering
LIGHTWEIGHT TITANIUM, REINFORCED LUGS.
TOUCHSCREEN SAPPHIRE DISPLAY.

MORE DETAILED MAPS
GLOBAL MAPS WITH TRAIL AND STREET NAMES, POI'S, PLUS TURN-BY-TURN

ACCURATE DATA, ALL THE TIME
DUAL-FREQUENCY GPS
DUAL-RANGE BAROMETER
VERTICAL GPS ALGORITHMS
RAZOR-SHARP ACCURACY, WITHOUT LIMITS
APEX 4 delivers industry-leading accuracy across GPS, pace, heart rate, and elevation tracking, along with the ultra-long battery life you come to expect from COROS.

SPEAKER + MICROPHONE
RECEIVE AUDIO ALERTS DURING ACTIVITIES, RECORD VOICE PINS, AND TAKE HANDS-FREE CALLS

faster map and graphics rendering speed

Environments and Weather
VIEW REAL-TIME WEATHER, AIR PRESSURE, WIND, AND MORE

battery
LONG ENOUGH TO LAST 160km AROUND THE MONT BLANC, OR LINKING UP THE GRAND TRAVERSE.
Apex 4 (46mm) 65 Hours
Apex 4 (42mm) 41 Hours

SYNC, CONNECT AND CONTROL
EASILY LINK TO APPS LIKE STRAVA AND APPLE HEALTH, STAY UPDATED WITH CALLS AND TEXTS, AND CONTROL YOUR CAMERA - ALL FROM YOUR WATCH
Track the turns you earned
Track your vertical in real time, stay oriented on remote descents with advanced map layers, and rely on a display that is always visible. No matter the sun, snow, or your speed.


Topo maps
Read the mountain instantly with contour lines and terrain details made for ski travel
Navigation
Stay on course by syncing a GPX track to your watch, and be alerted when you've gone off-course, even in whiteout conditions.
Long run ready
From your first trail race to your next 100-mile win, APEX 4 provides on-device global maps, 3D terrain views, real-time Effort Pace¹, route planning, and fitness metrics designed to help you track your training.
LOG EVERY SEND
Vertical GPS tuned for climbing and five specialized climbing modes, APEX 4 has everything you need to log every climb with precision, and nothing you don't.


climbing modes
Switch between bouldering, single-pitch, multi-pitch, and mountain climb to have data that fits your exact needs.
automatic fall detection
Detects and records unexpected falls, including fall distance to add crucial detail to your climbing history.

Compare the apex 4
Every athlete is different. Compare COROS watches and choose the one that fits your goals.