Two-thirds of the Apple Watches sold in the U.S. this year were made with the company’s own products, according to new data from research firm Zacks Investment Research.

The company’s biggest-selling watch this year was the Apple watch, which sold out in seconds.

But Apple Watch sales also outpaced the sales of any other smartwatch ever, Zacks said in a report.

There’s more than one smartwatch: Samsung’s Gear S2 sold out within days of its launch, while Google’s smartwatch sold out days after its launch.

Samsung’s Gear Live, the first smartwatch with a circular face, sold out as soon as it was available.

Google’s smartwatches, including the Google Pixel, sold nearly 4 million units during its launch weekend.

For the most part, the Apple brand is still king, Zack said.

“It’s not like the Samsung Gear Live was the first wearable, it was the third-most-popular wearable,” he said.

“But it’s a great, very smart wearable.”

In addition to Apple Watch, Zards research found that Apple’s other wearable, the Samsung Galaxy line, is a strong contender for the best-selling smartwatch.

Zacks analysts also saw the Samsung Watch and Google Pixel in a close second place, as well as Apple’s Fitbit Blaze and Fitbit Charge HR.

I don’t think we’ll ever see another wearable product that people are going to be excited about buying, Zaks said.

Zacks also expects that wearable sales will continue to grow, as more people ditch their smartphones and wear them on their wrists.