It estimates that shipments of wearables will reach 75 million in 2015, a 158 percent increase compared to last year.
And the Apple watch will account for over a quarter of wearables that ship this year, it believes.
Analysts at the company believe that Apple will sell about 20 million watches by the end of this year. But if Apple is wrong – and the jury is still very much out on the future of such devices, it’s likely to hurt the entire wearables category of technology.
Right now, it’s fitness bands that are driving growth with products from companies like Fitbit and Jawbone.
It thinks that sales of these devices will double in 2015 to 40 million units.
It also says action cameras was the second biggest category in 2014, with six million of them selling in 2014.