Beppe
4
Girard-Perregaux world's first wristwatch
Dear Sirs,
I am researching the history of the 2.000 wristwatches Constantin Girard-Perregaux delivered to Kaiserliche Marine (The German Navy) in 1880.I am trying my best to locate further technical and historical data about these watches.Any help on this fascinating subject will be greatly appreciated.Thanks in advance to all.