The Apple Watch has retained its position as the most popular smartwatch, as the latest data from Strategy Analytics shows the Watch took a incredible 63% piece of the global market pie in the fourth quarter of 2015, with an estimated 5.1 million in sales.

Apple Watch Grabs 63% of Global Smartwatch Market in Q4 2015 - Swiss Watch Sales Continue to Fall

Trailing WAY back in second place was Samsung, with a 16% market share, with an estimated 1.3 million sales. between the two, they accounted for 8 out of 10 smartwatches shipped worldwide in the fourth quarter.

Total global smartwatch sales rose to an estimated 8.1 million units in the quarter, up a whopping 316% year-over-year. Most of the growth was tallied in North America, Western Europe, and Asia.

While smartwatch sales were up, it was just the opposite for the Swiss luxury watch market, which saw a 4.8% year-over-year decline in Q4 2015. Swiss watch sales came to 7.9 million units in the quarter, down from 8.3 million a year ago.

It should be noted that Strategy Analytics figures for Apple Watch are merely estimates, as Apple doesn’t report Apple Watch sales figures separately, instead lumping it into the “Other Products” category, which also includes the iPod, Apple TV, and other products such as Beats products.