Sober, elegant, legible, this is a good offer from G.P. Now, add an Equation of Time, and make it in white metal, too, and it would be even more interesting! [nt]
Friends, Some details and observations on the Girard-Perregaux 1966 Perpetual Calendar 49547 from the current collection: As I had a chance to play with it some time ago and try it on my wrist, so let me share some observations. As you know, I own the 196...