Overview
Become an apex runner wherever you run with the COROS APEX 4 GPS Watch 42mm. This watch combines lightweight and powerful performance into a smaller frame, Ideal for runners and athletes who prefer a slimmer and less intrusive design. Without sacrificing durability for a smaller frame, a titanium-grade 5 bezel protects the outside, while sapphire glass provides a strong and durable touchscreen display. Know where you are with a lightning-fast mapping engine that loads maps 30 times faster and turn-by-turn navigation, giving you real-time precision on trails, tracks, and roads.
Built to perform as hard as you do, lasts up to 41 hours in Endurance GPS mode and 15 days in daily-use mode, charging fully in just 1.5 hours via USB-C. It's a 1.2" 3rd-generation Memory-in-Pixel touchscreen that offers brilliant sunlight visibility without draining power. Stay connected to friends and family on the go with a microphone and speaker, allowing for hands-free calls, voice pins, and audio alerts. COROS EvoLab powers your workouts with fitness insights, recovery recommendations, and workout tracking that syncs with all your favourite fitness apps!
Product Details
Model Number: WAPX4-
Features:
- Sapphire glass touchscreen with Grade 5 titanium bezel
- Up to 41 hours in Endurance GPS mode / 15 days of daily use
- Dual-frequency GPS with topo and landscape map support
- Smarter training: EvoLab insights, recovery tools, and training load analysis
- Syncs with COROS app, Strava, TrainingPeaks, and Apple
- Sleep, stress, and heart rate monitoring plus weather and storm alerts
Tech Specs
| Lens Material | Sapphire Glass |
| Bezel Material | Grade 5 Titanium Alloy |
| Strap Material | Nylon (20mm) |
| Touchscreen | ✓ |
| Water Rating | 5 ATM |
| Dimensions | 42.6 mm x 42.6 mm x 15.8 mm |
| Display Resolution | 240 x 240 pixels |
| Screen Size | 1.2 inches |
| Screen Type | 3rd Gen Memory-in-Pixel Touch screen |
| Weight | 45 g |
| Battery Life | 41 hours on Enhanced GPS mode 34 hours in High GPS mode 26 days in watch mode 15 days (with Sleep, Daily Stress, and Daily HR measurements) |
| Charging time | About 1.5 Hours |
| GPS Support System | GPS, GLONASS, GALILEO, BeiDou, QZSS |
| Dual Frequency | Supports L1 + L5 |
Training Features:
EvoLab Fitness Metrics, Training Load, Recovery Timer, Effort Pace, Running Fitness & FTP Tests, Metronome, Heart Rate Broadcast, Custom Workouts & Plans
Wellness tracking: Sleep, Stress, HRV, SpO₂, Wellness Check, Weather Alerts, Storm & Off-Course Notifications