Dear friends, just want to update everyone my search for the ultimate one to fill in the last spot of my collection. I have posted here couple weeks ago to choose between a Lange Datograph (First generation,Pre owned) and the Nautilus 5990. The update news is that I still cannot make a decision!! Although most people here and from other forum voted mostly on Dato, I still cannot make a decision because I have a weak spot on the Nautilus series. As a result, I have decided to wait for couple weeks/months in order to take my mind off these two models completely. Hopefully by the end I shall be able to make up my mind. Thanks again for everyone's input. I shall definitely let you know what's the final winner. Here is a picture of the Dato sit next to my Lange 1 and my 5980 next to a friends 5990