Set goals, track performance and get advanced training analysis with the 42 mm COROS APEX, a lightweight multisport GPS watch that's built for durability, functionality and incredible battery life. Supports route navigation and checkpoint features—designed for mountain athletes who like to go fast and light Offers 24 days of regular battery life and 25 hours in full GPS mode Built with a stainless-steel bezel and a sapphire glass screen Includes an optical heart rate monitor, barometric altimeter, accelerometer, compass, gyroscope and thermometer 24/7 heart rate monitoring, sleep, step and calorie tracking, as well as advanced training analysis and recovery recommendations Interval, structured, triathlon, multisport and strength training modes; training programs and plans created by COROS athletes and coaches available free on the COROS website With over 200 preloaded strength exercises, COROS Training Mode and the COROS app allow you to build customized workouts for running, cycling, swimming and strength training Track Run Mode uses a proprietary algorithm to make sure your track runs and workouts are measured accurately Provides built-in running power metrics from the wrist, plus native and complete integration with Stryd power meters (not included) Features running, cycling, swimming, cardio, strength, winter and water sports modes with ongoing support and updates Fully customizable data screen supports up to 6 different metrics per screen Digital Dial offers easy one-finger operation, even with thick gloves GPS, GLONASS and BEIDOU satellite connections; ANT+/Bluetooth for accessories; Bluetooth for smartphone only Fully customizable data screen supports up to 6 different metrics per screen Working temperature: 14 to 140°F (-10 to 60°C) Water resistance to 10 atm (100 m/328 ft.)