When the ref. 116610LV retained the common 40mm situation diameter of all Submariner Date types preceding it, The form of the case was revamped. Submariner watches that belong on the 11661x spouse and children of references have what is recognized as the “Super Situation” – characterised by a thicker profile, https://www.watchesworld.com/summer-delights-top-watches-for-men-and-women/