Samsung is working on the Galaxy Watch 4, according to some reports. Android Headlines leaks renders of one model and gives us a glimpse at the prototype.The company will also launch a classic Samsung Galaxy Watch 4 Classic, aside from the Galaxy Watch 4 Active. Both models will be running the One UI-based Wear experience that Google co-developed, but the Classic model is aimed at a wider audience than the Active model.Android Headlines reports the Galaxy Watch 4 Classic will be available in three sizes and three colours. Customers will have the option of choosing from a 42mm, 44mm, or 46mm size. This is in addition to the sleek design and rotating bezel. The Watch 4 Classic is available in three colors: black, gray, or white.