Difficult....
By: samwan : February 18th, 2021-00:47
I can think of at least six or seven watches that are of grail calibre. Maybe the Roger Smith Series 2, though the Lange & Sohne 1815 Rattrapante PC Handwerkskunst, Observatoire, FP Journe Titanium Tourbillon, Patek 5070P, Patek 5370P, De Bethune DB25 are...