I don’t own many, but love both of them. The Seiko Spring Drive and the Alain Silberstein are keepers and have been around a while now. The AS since 1995 and the Spring Drive since 2005.
The UN Trilogy pieces, are a dear friend’s and I have had the pleasure of snapping these pics. A dream set of watches. There’s a bit more going on than just the moonphase, however I wanted to share them as examples of the brilliance of Astronomical watches and my appreciation of them. A reminder of our small part in the cosmos😉
Ludwig Oechslin’s genius on display in full force.
The Planeterium:
The Astrolabium:
The Tellurium:
These two below are mine…

Cheers and HAGWE,
Tim