While the ref. 116610LV retained the traditional 40mm scenario diameter of all Submariner Day products previous it, the shape of the case was revamped. Submariner watches that belong into the 11661x household 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/