Coros Apex comes with 30-day battery life and a personal trainer on the wrist

After revealing its first sports watch earlier this year, Coros has announced its return with the Apex. A potential challenger to the multi-sport heavyweights from the likes of Garmin, Suunto and Polar, the company indicates that the Apex will last up to 30 days in normal battery mode. During GPS tracking, the watch will last…