Although the ref. 116610LV retained the vintage 40mm scenario diameter of all Submariner Day styles previous it, the shape of the case was revamped. Submariner watches that belong on the 11661x spouse and children of references have what is known as the “Tremendous Case” – characterized by a thicker profile, https://www.watchesworld.com/summer-delights-top-watches-for-men-and-women/