![Patek Philippe & Cie, Genève, No 722708, case No 306210, Ref. 2523 HU (Heures Universelles). Made in 1953, sold on January 24, 1956. Extremely fine and extremely rare, "World Time", 18K yellow Patek Philippe & Cie, Genève, No 722708, case No 306210, Ref. 2523 HU (Heures Universelles). Made in 1953, sold on January 24, 1956. Extremely fine and extremely rare, "World Time", 18K yellow](https://antiquorum-swiss-assets.s3.us-west-2.amazonaws.com/images/114/lots/529/529.jpg)
Patek Philippe & Cie, Genève, No 722708, case No 306210, Ref. 2523 HU (Heures Universelles). Made in 1953, sold on January 24, 1956. Extremely fine and extremely rare, "World Time", 18K yellow
![Auctions: Hands-On With The Ultra-Rare Patek Philippe Ref. 2523 'Eurasia Dial' Hitting The Block At Phillips - Hodinkee Auctions: Hands-On With The Ultra-Rare Patek Philippe Ref. 2523 'Eurasia Dial' Hitting The Block At Phillips - Hodinkee](https://hodinkee-production.s3.amazonaws.com/uploads/images/5ef7b99f-d9bd-42c2-ad44-9e885a27cb70/L1030187-2.jpg)
Auctions: Hands-On With The Ultra-Rare Patek Philippe Ref. 2523 'Eurasia Dial' Hitting The Block At Phillips - Hodinkee
![PHILLIPS Watches on X: "The “Silk Road” Patek Philippe Ref. 2523 with cloisonné enamel dial achieved CHF 7,048,000 (including buyer's premium) at a rare “white glove” session during which all 130 lots PHILLIPS Watches on X: "The “Silk Road” Patek Philippe Ref. 2523 with cloisonné enamel dial achieved CHF 7,048,000 (including buyer's premium) at a rare “white glove” session during which all 130 lots](https://pbs.twimg.com/media/E07eQfqWQAYol6S.jpg:large)
PHILLIPS Watches on X: "The “Silk Road” Patek Philippe Ref. 2523 with cloisonné enamel dial achieved CHF 7,048,000 (including buyer's premium) at a rare “white glove” session during which all 130 lots
![A one-of-three Patek Philippe Ref. 2523 'North America Dial' could fetch US$7.1m in Hong Kong | Feature Series | THE VALUE | Art News A one-of-three Patek Philippe Ref. 2523 'North America Dial' could fetch US$7.1m in Hong Kong | Feature Series | THE VALUE | Art News](https://assets.thevalue.com/869e21218b198661f8cfef91b5e441d6885f34bc/mobile/d28b3e07e0488c6e427ca09dfe25f1ba3467724e.jpg?1684506116)
A one-of-three Patek Philippe Ref. 2523 'North America Dial' could fetch US$7.1m in Hong Kong | Feature Series | THE VALUE | Art News
![Auctions: Hands-On With The Ultra-Rare Patek Philippe Ref. 2523 'Eurasia Dial' Hitting The Block At Phillips - Hodinkee Auctions: Hands-On With The Ultra-Rare Patek Philippe Ref. 2523 'Eurasia Dial' Hitting The Block At Phillips - Hodinkee](https://hodinkee.imgix.net/uploads/images/1104ceca-a6b2-4a74-9b7e-cb8ccf210f54/L1030169-Edit.jpg?ixlib=rails-1.1.0&fm=jpg&q=55&auto=format&usm=12&fit=crop&ch=Width%2CDPR%2CSave-Data&alt=)