Recents posts
Antiquorum

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…

10:101stECO NEWSHISTORICAL FEATURESMARKETSMODELS & COLLECTIONSOPINION
Presque 20 millions pour une Rolex en acier: au-delà du placement!
Les ventes aux enchères horlogères se sont-elles emballées? Pourtant utile à l’image de l’horlogerie mécanique, la course aux records risque d’éclipser l’intérêt du public pour les nouveautés ou le simple…
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













