Smartwatches outsold traditional watches in the fourth quarter of 2018. The category saw a 51 percent increase in dollar sales for last year, along with a 61 percent increase in unit sales, according to recent data from NPD Group. One in four Americans aged 18 to 34 now own a
smartwatch, and that is likely to increase. However, traditional watches did regain the majority of the market in Q1 2019.