NEW YORK (TheStreet) -- Apple (AAPL) has sold nearly 2.8 million Apple Watches since the device was launched in April, according to Reuters, which cites data from Slice Intelligence.

By comparison, Google (GOOG) shipped 750,000 Android Wear watches in all of 2014, according to Slice's data. Taking the numbers together, MacRumors.com editor Joseph Rossignol called the Apple Watch sales figure "really impressive," especially given the fact that the wearable device has only been on the market for about two months.

The Apple Watch is the top-selling wearable product on the market right now, notes Rossignol. And not only are consumers buying the actual devices, they're also spending extra on accessories like additional watch bands for them. Slice found that about 17% of Apple Watch buyers purchased more than one band, with the $49 black sport band being the most popular, followed by the $149 Milanese loop. That's giving Apple an extra supplement to Apple Watch sales, further boosting profits, according to Rossignol.

Rossignol said that some predictions of how many Apple Watches the company might sell this year look overly optimistic to him. He sees it as difficult to gauge momentum or formulate a sales target based on Slice's data, which it cultivated from analyzing 2 million people's email receipts. Instead, he focused on the targets put forth by Wall Street analysts, who are expecting Apple Watch sales to land anywhere from 15 million units to 39 million units this year. Rossignol believes Apple will come in on the low end of that range or even a bit below it. However, even that, he points out, would be an impressive feat in the wearables market.

More from Investing

Street Stats: The Mid-Term Elections May Be a Rollercoaster Ride for Investors

Street Stats: The Mid-Term Elections May Be a Rollercoaster Ride for Investors

Trump's Oil Tweets Ruining the Stock Market's Rebound?

Trump's Oil Tweets Ruining the Stock Market's Rebound?

A BJ's Wholesale IPO Is Logical Next Step

A BJ's Wholesale IPO Is Logical Next Step

Tesla Investor Pushing for More Board Changes

Tesla Investor Pushing for More Board Changes

What You Need to Know About Facebook and Europe's New Privacy Rules

What You Need to Know About Facebook and Europe's New Privacy Rules