Bear Grylls stars in the latest Samsung Gear S3 frontier commercial... he also eats a grub

Bear Grylls is the star of a new commercial for Samsung's Gear S3 frontier smartwatch. The British explorer, who is famous for showing off his epic survival skills on TV, demonstrates some of the key features of the more adventurous variant of Sammie's latest intelligent timepiece.

The device's barometer, water and dust resistance, altimeter, S Health and weather apps, and overall build are being put to test in the 90-second video, while at one point, Mr. Grylls also reminds us why his shows are so entertaining by doing what he does best – getting a taste of ...