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