Thank you FX for your review.
I like the 175th anniversary watches very much, much better than the watch presented 5 years ago, where I wrote here: "And now the 1815 "200th Anniversary F.A. Lange"? A big watch with its 40 mm case, and "only" a black dial and limitation number on case back. I agree, sometimes less is more, but here...? No special dial (enamel or two tone black with silver seconds subdial or black with printings in Gold in a Gold version), no inhouse balance spring, no special decoration of the movement (how about a hand-engraved frosted gilt plate similar to the pocket watches)..."