Even though the ref. 116610LV retained the classic 40mm situation diameter of all Submariner Day products preceding it, the shape of the case was revamped. Submariner watches that belong into the 11661x relatives of references have what is called the “Tremendous Situation” – characterized by a thicker profile, fatter lugs, https://www.watchesworld.com/summer-delights-top-watches-for-men-and-women/