“The World of Heidi Horten”; 3–15 Might, Geneva and On-line

Billed as the biggest and most respected non-public jewelry assortment to be auctioned, the jewelry of billionaire Austrian artwork collector Heidi Horten will go beneath the hammer at Christie’s this month in Geneva, with the proceeds benefiting the Heidi Horten Basis. With a pre-sale estimate of greater than US$150 million, the gathering includes highlights corresponding to Bulgari creations spanning the ’70s to the current day, a double-strand jadeite necklace with a Cartier diamond clasp, and extra.

“The Artwork of F. P. Journe”; 12 Might, Geneva

Forty timepieces by F.P. Journe can be provided this month in Geneva at a singular public sale celebrating a single impartial watchmaker. Christie’s “The Artwork of F.P. Journe” includes key creations by the watchmaking manufacture such because the Tourbillon Souverain with a jade dial, the Centigraphe Souverain chronograph with a purple chrome dial, the Octa Calendrier with a black mother-of-pearl dial made for Honest Superb Watches, and an early instance of the Pré-Souscription platinum Chronomètre à Résonance.

“The Imperial Patek Philippe Sale”; 23 Might, Hong Kong

In affiliation with Bacs & Russo, Phillips declares its public sale of the Patek Philippe Reference 96 Quantieme Lune that belonged to the final emperor of the Qing Dynasty, Aisin-Giro Puyi. Solely the eighth identified instance of the Patek Philippe Reference 96 of such complication, this timepiece incorporates a triple date and moonphase, a Victorin Piguet ébauche motion produced in 1929, inside a platinum Calatrava case by Antoine Gerlach.

“The Final Assortment” And “Necessary Watches”; 26 Might, Hong Kong

Later this month, Christie’s Hong Kong will host two stay auctions, “The Final Assortment” for modern and classic tickers, and “Necessary Watches” for very restricted and invaluable timepieces. The previous contains the uncommon Patek Philippe Reference 3448 self-winding perpetual calendar from 1962, whereas the latter is headlined by the Patek Philippe Reference 2523J Twin Crown World Time with a map of North America on the cloisonné enamel dial, with a low pre-sale estimate of HK$55 million.