While the ref. 116610LV retained the vintage 40mm case diameter of all Submariner Day versions preceding it, The form of the case was revamped. Submariner watches that belong on the 11661x relatives of references have what is recognized as the “Super Situation” – characterized by a thicker profile, fatter lugs, https://www.watchesworld.com/summer-delights-top-watches-for-men-and-women/