COROS APEX 4 Mountain Sports GPS Watch
THE ULTIMATE MOUNTAIN SPORTS WATCH BUILT FOR TRAINING, RACING, AND BEATING YOUR PERSONAL BEST.
- 65hrs of GPS battery (46mm) or 41hrs (42mm), enough to get you through your longest days.
- Our 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.
Shaped by years of relentless development and insight from the world’s best mountain athletes, APEX 4 delivers ultra-precise GPS, best in class battery, zero-lag mapping, a microphone and speaker, plus advanced training and recovery tools to help you take on your biggest goals.
ALPINE-GRADE ENGINEERING
- LIGHTWEIGHT TITANIUM. REINFORCED LUGS. SAPPHIRE GLASS.
- Grade 5 Titanium Bezel
- Reinforced Lugs add strength and create a lightweight, comfortable feel
- 51g (46mm) and 44g (42mm) with the nylon band
- Scratch-Resistant Sapphire Glass
- 3rd-Generation Memory-in-Pixel screen
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 have come to expect from COROS.
MORE DETAILED MAPS
Two map layers with 15m zoom plus trail and street names keep you oriented on trails, in the city, or on the slopes.
ELEVATION
Calibrated for rapid weather changes and steep, technical terrain.
30x
Faster map and graphic rendering speeds.
GPS
Precision that holds true in dense forests, steep couloirs, and sheer alpine walls.
BATTERY
Long enough to last 100 miles around Mont Blanc, or linking up the Grand Traverse.
APEX 4 (46mm) 65 HRS / APEX 4 (42mm) 41 HRS
MICROPHONE & SPEAKER
Record Voice Pins to capture beta on the wall or save a note-to-self during your long run to help be better prepared next time. Take hands-free calls and listen to your activity alerts out loud.
IN PLAIN SIGHT
APEX 4's 3rd generation always-on MIP display delivers deeper colors, stays sharp in full sun, deep snow, and shadows.
TRAIL RUNNING
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.
- EFFORT PACE: Effort Pace tells you your equivalent pace on flat terrain so you know when to push, and when to dial back.
- GLOBAL MAPS: Landscape and Topo map layers with street and trail names give you the information you need when you need it, even without cell service.
- NAVIGATION: Turn-by-Turn directions, street names, POI's and Back to Start make sure you always know where you're headed, and where you've been.
- RUNNING FITNESS: Find out Race Prediction times, and what zones to train in to improve specific abilities whether you're prepping for an ultra, or your next 5k all-out effort.
CLIMBING
LOG EVERY SEND
Vertical GPS tuned for climbing and four specialized climbing modes, APEX 4 has everything you need to log every climb with precision, and nothing you don't.
- VOICE PINS: Save beta mid-route with just your voice so you can remember every crux, move, and emotion you felt.
- FOUR CLIMBING MODES: Switch between bouldering, single-pitch, multi- pitch, and mountain climb to have data that fits your exact needs.
SKIING
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 snow, sun, or your speed.
- TOPO MAPS: Read the mountain instantly with contour lines and terrain details made for ski travel.
- WEATHER: Get live conditions so you can make smarter calls on every skin up and descent.
- PRECISION METRICS: Measure vertical, elevation gain, and heart rate with accuracy you can trust.
- 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.