While the ref. 116610LV retained the common 40mm scenario diameter of all Submariner Day models preceding it, The form of the case was revamped. Submariner watches that belong for the 11661x family of references have what is known as the “Tremendous Scenario” – characterised by a thicker profile, fatter lugs, https://www.watchesworld.com/summer-delights-top-watches-for-men-and-women/