By HIGHLIGHTS OnePlus could launch its first smartwatch on March 23 OnePlus 9 series launch set for March 23 in India OnePlus Watch teased ahead of OnePlus 9 series launch on March 23 in India OnePlus has dropped the first teaser for its first smartwatch that could simply be called the OnePlus Watch. The OnePlus 9 series is set to launch on March 23 in India and as previously rumoured, the OnePlus Watch may tag along as well. OnePlus officially confirmed during the launch of the OnePlus 8T last year that it was working on its first smartwatch followed by rumours that it will launch in 2021 alongside the OnePlus 9 series.