When the ref. 116610LV retained the traditional 40mm case diameter of all Submariner Day designs preceding it, the shape of the case was revamped. Submariner watches that belong into the 11661x spouse and children of references have what is recognized as the “Tremendous Circumstance” – characterised by a thicker profile, https://www.watchesworld.com/summer-delights-top-watches-for-men-and-women/