That "niche" appears to have consisted of 21.1M watches in 2016, so roughly 80% the size of the Swiss watch industry (25.4M watches): http://www.scmp.com/tech/a

That "niche" appears to have consisted of 21.1M watches in 2016, so roughly 80% the size of the Swiss watch industry (25.4M watches): http://www.scmp.com/tech/article/2067481/smartwatch-market-hits-record-211-million-sales-2016-apple-pulls-ahead-samsung http://www.scmp.com/tech/article/2067481/smartwatch-market-h...