The Titan version of Polar’s Vantage V smartwatch and fitness tracker comes with all the bells and whistles of a premium multi-sport tracker. The Titan also supports 130 different activities, has a stunning battery life, and is among the best when it comes to providing detailed information about user workout. But what sets it apart are the premium materials it's made of; the Titan is made of titanium, which makes it both incredibly durable and light.