When the ref. 116610LV retained the basic 40mm scenario diameter of all Submariner Date models previous it, the shape of the case was revamped. Submariner watches that belong into the 11661x family of references have what is known as the “Tremendous Case” – characterised by a thicker profile, fatter lugs, https://www.watchesworld.com/summer-delights-top-watches-for-men-and-women/