Here is an affordable smartwatch that helps you stay connected. The MYKRONOZ ZeRound3 Lite Smartwatch is a HR monitor that helps you monitor your activity level straight on your wrist. It has a battery life of 3 days. It is IP67 rated, so it will survive your workouts.
The ZeRound3 Lite comes with a 22mm interchangeable band. It not only tracks your activity but also lets you make calls and keep up with social media notifications.