Whilst the ref. 116610LV retained the common 40mm situation diameter of all Submariner Date designs previous it, The form of the case was revamped. Submariner watches that belong on the 11661x relatives of references have what is known as the “Tremendous Circumstance” – characterised by a thicker profile, fatter lugs, https://www.watchesworld.com/summer-delights-top-watches-for-men-and-women/