Green Lion Active Pro Smart Watch. The newest smart watch for an active lifestyle is the Green Lion Active Pro Smart Watch. It has a dual-layer display, a circular dial, and an ergonomic design that fits any wrist size. It’s aluminum and plastic construction increases its durability and utility. and its silicone straps give you a smart yet athletic appeal. To keep you in the best shape possible, this smartwatch features an activity tracker and heart rate monitor. The smartwatch is waterproof, so you can go ahead and track your fastest lap.