Recents posts
Rolex

10:10PRESS REL.
Optimum Chronometer by F.P.Journe, unique piece for the benefit of the Prince Albert II of Monaco Foundation
Unique piece auctioned for the benefit of the Prince Albert II of Monaco Foundation and sold for SG$ 1’480’000 during the “Ball in Monaco” in Singapore Une sélection de Shaniah…

10:101stEVENTS & PEOPLEJSH onlineJSH® PRINTOPINIONSUPPLIERSW'NEWSW'NEWS
JSH Magazine’s Special SSC issue: “Transmission in every sense of the word”
Together with the Swiss Chronometry Society (SSC), the Swiss watchmaking journal JSH® (since 1876) is issuing a special edition devoted to the last International Congress of Chronometry at EPFL. And…

10:101stEVENTS & PEOPLEFEEDBACK FROM FACTORIESJSH® PRINTW'NEWS
Between Elton John and Bono, Boris Petitpierre and his set of watchmaking tools
As head of his eponymous company, which has been added like a manufacturing gem to the industrial necklace of Acrotec Group, Boris Petitpierre in Cortaillod (NE) is still not believing…

10:10HISTORICAL FEATURESW'NEWS
Auction: L. Leroy et Cie, Paris n°18902, unique Observatory chronometer 1st prize, gold medal
Antiquorum, November 6th 2022. Specially crafted for scientific purposes to measure several intervals to the 10th of a second at the same time, this precious timepiece endowed with a high-frequency…

10:101stHISTORICAL FEATURESFAMOUS WATCHMAKERSW'NEWS
Antiquorum’s Record! A splendid ultra-complicated watch of Henri Grandjean, founder of the Neuchâtel Observatory, hit the auctions market
It rocked! This gold pocket watch with eight complications rarely combined in a single piece is one of the most complex ever made by Henri Grandjean. This chronometric treasure was back…
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













