Antiquorum

“Moses, one of the rarest automaton watches

This rare timepiece, proposed by the collector Dr. Helmut Crott, embodies the quintessence of the watch’s complications, the good taste of Empress Eugenie and the top level of Geneva’s early…

Dr. Helmut Crott, a memorable birthday video

On Thursday, November 2, 2023, at the Restaurant “Il Salento” in Genève-Acacias, a rare gathering of horological icons was reached. Dr. Helmut Crott, the world-renowned expert and father of watch…

Astrid Soyez, watch auctions and light

The world of auction house watch departments never stops revealing personalities worth meeting. Antiquorum has a radiant face coming out of the shadows. Françoise Garnier / Journal Suisse d’Horlogerie JSH…

Spectacular ultra-complicated watch of Henri Grandjean, founder of the Neuchâtel Observatory

It’s popping up again! 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…

Antiquorum Geneva auction, CHF 8.833 million and outstanding lots

Beau-Rivage Geneva, November 5 and 6, 2022. The experts at Antiquorum, a Geneva-based pioneer in wristwatch auctions founded in 1974, brought together a selection of 481 lots. Three major lots…

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…

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…

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…

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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

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