Even though the ref. 116610LV retained the classic 40mm case diameter of all Submariner Day types previous it, the shape of the case was revamped. Submariner watches that belong towards the 11661x family of references have what is called the “Super Circumstance” – characterized by a thicker profile, fatter lugs, https://www.watchesworld.com/summer-delights-top-watches-for-men-and-women/