The Patek Philippe Ref. 5131P is already an icon. I am grateful to the “Watch Professor” for providing this “Owner’s Review” of the watch. The

The Patek Philippe Ref. 5131P is already an icon. I am grateful to the “Watch Professor” for providing this “Owner’s Review” of the watch. The
The Patek Philippe Ref. 5575G is a unique watch for many reasons. For one, it combines the world time complication with a moon-phase.