historien

Swiss Chronometry Society (SSC) calls for conference speakers!

Tuesday, February 10, 2026, is the deadline for submitting a presentation for the Study Day on September 29, 2026. The theme: “The spark of movement: when an idea becomes a…

Dave-W. Grandjean, writer in secret

He arrived home, opened his bag and said, “It’s for you! It’s a detective book with a special dedication that tears at my eyes. “Sur La Trace Des Diamants Perdus”…

Amazing: it was Louis Moinet who invented the chronograph!

March 21, 2013 (first posted). Incredible! Imagine if a video was released of a man walking on the moon ten years before Neil Armstrong and that the scientists of Houston…

Recents posts

Le cadran, par le Dr. Helmut CROTT

The work of a lifetime, the book “Le Cadran” by Dr. Helmut Crott (edited by Joël A. Grandjean), the history of the dial in the 20th century, the prestigious history of the Stern dials and of a family that took over the Patek Philippe brand

Top categories

JSH