Girard Perregaux Vintage 1945 original movement, Cal 91.
By: amanico : April 1st, 2015-00:11
I found some interesting documents about the movement which was housed in the Vintage 1945, I mean the original Watch whose 70th birthday is celebrated this year. The Cal 91, very GP in its finish, with its bridge " three bridges " shaped. And the technic...