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