amanico[JLC Moderator]
403308
Lange & Sohne Datograph Perpetual Tourbillon Platinum Black or White Gold Salmon?
2016, the Platinum Black dial:

Or White Gold Salmon?

The backside is spectacular. Pure Horological Art. And the tourbillon has the good taste to be on the back.
Platinum Black for me. For you?
Best,
Nicolas