According to both LG and Motorola's Twitter support accounts, the Android Wear 2.0 update is not going to arrive on either the original LG G Watch or the flat-tired Moto 360. These two interactions on Twitter happened on two separate occasions a couple of weeks or so apart. @timo_capa Unfortunately, Moto360 1 Gen will not receive the new update 2.0 Motorola Support (@Moto_Support) June 10, 2016 This news doesn't surprise us as it has almost been two years since the LG G Watch was released on June 25 2014 and the Moto 360 later that year. We don't have high hopes for the Samsung Gear...
Source: http://www.gsmarena.com/lg_g_watch_and_moto_360_will_not_get_android_wear_20_update-news-18809.php