Forerunner 245 model came right after Forerunner 235 . The model is currently the best Garmin running watch. It is very light and it offers all the modern sporttesters' features, such as bluetooth connection with your phone, alerts, wrist heart rate monitor, calories burned, step count and more. In addition, it can also measure blood oxygenation or estimate your physique, measure stress levels, and the music version even offers its own music storage. You can find everything in our detailed review.