Although the ref. 116610LV retained the classic 40mm circumstance diameter of all Submariner Day designs preceding it, The form of the case was revamped. Submariner watches that belong for the 11661x spouse and children of references have what is known as the “Super Situation” – characterized by a thicker profile, https://www.watchesworld.com/summer-delights-top-watches-for-men-and-women/