With an even more durable exterior, redesigned GPS antenna for stronger performance, enhanced navigation experience, next generation optical heart rate sensor, and longer GPS battery life, the APEX 2 Pro watch is the most powerful wrist-worn tools to guide your training and track your movements across the wilderness. Get ready to train smarter and go longer.The ultimate outdoor sports watch balances durability and functionality, which is why Coros have carefully engineered every single detail with performance in mind. With the APEX 2 Pro, you'll have a watch that lasts just as long as you. And more.Any climate, anywhere. The APEX 2 Pro works in on-wrist operating temperatures ranging from -20to 50, so you can test the limits of exploration. Rain, snow, puddles, mud, you name it. The APEX 2 Pro stays dry in any condition. Built with 5 ATM water resistance, this watch also withstands pressures up to a depth of 50m.Thanks to the low power consumption from the latest satellite signal sy