OnePlus' first smartwatch is confirmed to be announced at the beginning of this year and for now, we only know that it will adopt a round, classic design. And the most recent leak, if we can call it that, suggests that the device is about to be announced real soon. A listing from the Indian BIS (Bureau of Indian Standards) shows that OnePlus' smartwatch has been certified and will come in two variants judging by the model numbers - W501GB and W301GB. We suspect that the two versions correspond to a Wi-Fi only version and an LTE model. Sadly, the listing doesn't reveal anything other...
Source: https://www.gsmarena.com/oneplus_watch_gets_certified_launch_imminent-news-47371.php