Push boundaries with every step Engineered for demanding adventures, the COROS APEX 4 redefines what a multisport GPS watch can do. Designed with a titanium bezel and reinforced lugs, it balances premium durability with lightweight comfort. Featuring a sapphire glass 3rd generation Memory-in-Pixel touch screen, it offers improved sunlight readability and 30 times faster map rendering than its predecessor. With support for dual frequency GPS and topographic mapping, it delivers precision navigation, while onboard sensors including heart rate, barometric altimeter, water depth, and ECG enable deep insights into health and performance. Whether you're running, climbing, or skiing, the APEX 4 is made to perform across diverse environments. Features Dual frequency GPS with landscape and topo map navigation Titanium bezel with sapphire glass for enhanced durability 3rd generation Memory-in-Pixel touch screen for better visibility and responsiveness 30x faster map and graphic loading than APEX 2 Extensive sport modes including trail running, climbing, swimming, and snow sports Environmental alerts for storms, altitude, and off course tracking Sleep tracking, recovery timer, and heart rate variability monitoring 32GB internal storage with Bluetooth music playback Hands-free call support and real-time voice pin marking Compatible with external sensors, GoPro, DJI, and Insta360 via Bluetooth Specifications Claimed Weight: 46mm: 64g with silicone band, 52g with nylon band 42mm: 56g with silicone band, 45g with nylon band Dimensions: 46mm: 46.2 (W) x 46.2 (D) x 15.5 (H) cm 42mm: 42.6 (W) x 42.6 (D) x 15.8 (H) cm Battery Life: 46mm: Endurance GPS Mode: 65 hours High GPS Mode: 53 hours Max GPS Mode: 41 hours Daily Mode: 24 days (with Sleep, Daily Stress, and HR measurements) 42mm: Endurance GPS Mode: 41 hours High GPS Mode: 34 hours Max GPS Mode: 26 hours Daily Mode: 15 days (with Sleep, Daily Stress, and HR measurements) Charging Time: About 1.5 hours (15°C to 45°C) Display: 46mm: 1.3 inch, 260 x 260 pixels 42mm: 1.2 inch, 240 x 240 pixels Band Width: 46mm: 24mm 42mm: 22mm Wrist Size Compatibility: 46mm: Silicone 140–215 mm, Nylon 140–215 mm 42mm: Silicone 135–205 mm, Nylon 135–205 mm Materials: Screen Type: Sapphire Glass Bezel and Backing: Titanium Bezel and High Strength Polymer Backing
