The Huawei Watch 2 (2018) is official and not much has changed since the Watch 2 Pro. This model is available with nanoSIM or eSIM that connect the smart timepiece to 4G networks, plus a cheaper Bluetooth-only version. The screen is a 1.2" OLED with 390 x 390 px resolution, which is protected by Gorilla Glass. The watch weighs 57g and measures 45 x 48.9 x 12.6 mm, the wrist bands are not easily changed. The casing is IP58 waterproof. Huawei Watch 2 (2018) The Watch 2 (2018) is powered by a Snapdragon 2100 chipset, no surprises here. It has 768 MB of RAM and 4 GB of built-in...
Source: https://www.gsmarena.com/huawei_watch_2_2018_unveiled_esim_nanosim_and_no_sim_versions_now_available-news-31401.php