COROS APEX 4 GPS Outdoor Watch, 42 mm, Black

Outdoor athletes often struggle with watches that lose GPS signal in challenging terrain or run out of battery mid-adventure. The COROS APEX 4 GPS Outdoor Watch solves this with dual-frequency GPS and up to 75 hours of full GPS battery life, keeping you on track through the toughest conditions.

Who is it for

Built for trail runners, hikers, and mountaineers who demand reliable navigation, durable construction, and long battery endurance. The 42 mm titanium case and sapphire glass withstand harsh environments, while the always-on memory LCD remains readable in direct sunlight.

Main features

• Dual-frequency GPS with support for GPS, GLONASS, Galileo, Beidou, and QZSS for precise positioning even in canyons or dense forests.
• Up to 75 hours of battery life in full GPS mode and up to 30 days in daily use, minimizing recharge interruptions.
• Global offline landscape and topo maps with touchscreen navigation for route planning without cell service.
• Optical heart rate sensor, barometric altimeter, pulse oximeter, and thermometer for comprehensive health and environment monitoring.
• 5 ATM water resistance rating, suitable for swimming and rain exposure.
• Music storage for phone-free listening during workouts.

Specifications

• Display: 1.3-inch always-on memory LCD, 260 x 260 pixels, touchscreen
• Case material: Titanium alloy bezel, sapphire glass screen
• Strap: Quick release, 22 mm width
• Connectivity: Bluetooth, Wi-Fi
• Sensors: Optical HR, barometric altimeter, accelerometer, gyroscope, compass, thermometer, pulse oximeter
• Battery life: Up to 75 hours (full GPS), up to 30 days (daily use)
• Water resistance: 5 ATM (50 meters)
• Operating temperature: -20°C to 50°C (-4°F to 122°F)

Tips

For optimal GPS accuracy, ensure the watch is worn snugly on your wrist and sync it regularly with the COROS app to update satellite data. To maximize battery life, disable features like music playback or continuous heart rate monitoring when not needed.