When the ref. 116610LV retained the vintage 40mm situation diameter of all Submariner Date types preceding it, the shape of the case was revamped. Submariner watches that belong towards the 11661x household of references have what is recognized as the “Super Circumstance” – characterized by a thicker profile, fatter lugs, https://www.watchesworld.com/summer-delights-top-watches-for-men-and-women/