There is and will be a lot of competition in smartwatches, their marketing will need to be very good to succeed:
Best smartwatch 2016: Apple, Pebble, Samsung, Sony, Tag and more:
http://www.wareable.com/smartwatches/the-best-smartwatches-in-the-world
Smart watch sales:
Apple Watch Scooped Up Over Half The Smartwatch Market In 2015
http://techcrunch.com/2016/01/13/apple-watch-scooped-up-over-half-the-smartwatch-market-in-2015/