Huawei Watch 3 with Harmony OS and e-sim support could be the next OnePlus Watch rival Huawei Watch 3 is expected to launch soon. It will come with the new Harmony OS, e-sim and mobile payment support. Ayush Chourasia | April 8, 2021 | Updated 17:02 IST Huawei Watch 2 It is expected to ship with Harmony OS. It is expected to bring support for more third-party applications and mobile payments. Huawei may soon launch the successor to the Huawei Watch 2 that was launched back in 2017. As per a tipster on Weibo, the Huawei Watch 3 will make a way in May. To remind you, the last iteration of the Huawei Watch, i.e. Huawei Watch 2, came with Google's very own Wear-OS.