Although the ref. 116610LV retained the classic 40mm case diameter of all Submariner Day styles preceding it, the shape of the case was revamped. Submariner watches that belong to your 11661x relatives 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/