Although the ref. 116610LV retained the common 40mm case diameter of all Submariner Date types preceding it, the shape of the case was revamped. Submariner watches that belong to the 11661x family members of references have what is referred to as the “Tremendous Circumstance” – characterised by a thicker profile, https://www.watchesworld.com/summer-delights-top-watches-for-men-and-women/