COROS VERTIX GPS Adventure Watch with Heart Rate Monitor, 60h Full GPS Battery, 24/7 Blood Oxygen Monitoring, Sapphire Glass, Barometer, ANT+ & BLE, Strava & Training Peaks (Dark Rock)

Designed for adventures with extreme durability and route navigation/checkpoint features supported with 45 days of regular battery life and 60 hours in full GPS mode Includes optical heart rate monitor, pulse ox monitor, barometric altimeter, accelerometer, compass, gyroscope and thermometer with 24/7 heart rate monitoring, sleep, step, and calorie tracking Built with a Grade 5 titanium alloy bezel and touchscreen-enabled diamond-like coating sapphire glass and weighs just 54 grams Interval, structured, triathlon, multisport and strength training modes with training programs and plans created by COROS athletes and coaches available free on COROS.com Featuring running, cycling, swimming, cardio, strength, winter and water sports modes with ongoing support and updates.