There are plenty of smartwatches on the market that can track your daily activity but need to be recharged every day. The Misfit Phase Hybrid Smartwatch is an elegant gadget that tracks your activity and sleep and lasts up to 6 months on battery. It is water resistant to 5 ATM.
The watch alerts you via vibrations when you have a call or notification. It has a smart button to control music or take a selfie. Costs $149 at this time.