Platinum case. The power reserve indicator is better included, in this open dial. It won't beat the Dato first generation for me, but it is cool looking, like this. Best, Nicolas ...
It may be in part due to the lovely blue/grey dial colour which is one of my favourite colours for a dial as well as the way everything is so clean and legible and I really like the big date. I know what i have said may be considered blasphemy by some but...
first or second is fine. I was really excited about the first Lumen (the Zeitwerk) but the novelty worn off after the second release for me. This Dato Lumen is the forth Lumen I believe.