Although the ref. 116610LV retained the typical 40mm situation diameter of all Submariner Day styles previous it, The form of the situation was revamped. Submariner watches that belong on the 11661x family of references have what is known as the “Super Case” – characterized by a thicker profile, fatter lugs, https://www.watchesworld.com/summer-delights-top-watches-for-men-and-women/