AU Optronics says that nine fashion brands have adopted the company's 1.2" and 1.4" round AMOLED displays for future smartwatch products. AUO will begin shipping the displays to these products in Q2 2017 - with shipments expected to reach a million panels per quarter in the second half of 2017.
AUO started producing its 1.4" circular AMOLED display in 2015. The company already ships those to smartwatch makers in China. You can find out more information on AUO's round AMOLED here.