The Galaxy Watch 4 and the Watch 4 Classic is said to be arriving on August 11 at Samsung's Unpacked event. However, many of its features and its UI design has been leaked by a video by Samsung themselves.
The video shows us that the 2 smartwatches will have Google Maps and many other Google services, such as the Google Play Store. The watches support a heart-rate monitor, Sp02 monitoring, SmartThings Find, ECG, body fat composition, a compass, an altimeter, and blood pressure monitoring to top it all off. Other details that are known at this point are that both smartwatches will have a circular super AMOLED display, an Exynos W920 processor, 16GB of storage and 1.5GB of RAM. As for water resistance, they have IP68 dust and water resistance rating, so you can bring them out in the rain - sometimes when released. The Galaxy Watch 4 Classic provides a rotatable bezel to navigate the UI.
Below are two leaked video's that were shared with Sammobile:
The UI seems to be very similar to what we have previously seen with Samsung watches running Tizen. The big news is obviously that this will be the first Samsung watch running Wear OS - Well, Wears OS 3 in this case. It will have Google services and will be able to install many music apps, such as Calm, as others from the extensive list at the Play Store.