Patek Philippe 5139 (Pre-owned - Good) — USD 47,000 on eBay

The Patek Philippe Grand Complications reference 5139 is a perpetual calendar wristwatch that succeeded the reference 3940. It is characterized by its ultra-thin profile and the integration of a perpetual calendar complication within a classic Patek Philippe design language. This reference maintains the brand's tradition of producing highly complicated timepieces with a focus on legibility and refined aesthetics, positioning it as a significant offering within the Grand Complications collection. The watch features a case typically crafted from precious metals, housing the self-winding caliber 240 Q. This movement is known for its micro-rotor construction, contributing to the watch's slim profile, and provides a power reserve suitable for daily wear. The crystal protecting the dial is sapphire, ensuring durability and clarity for the display of time and calendar indications. For collectors, the 5139 represents a continuation of Patek Philippe's perpetual calendar lineage, appealing to those who appreciate traditional watchmaking and high complications in a discreet package. Its design, with a focus on thinness and a well-proportioned dial layout, makes it a notable reference for enthusiasts of classic complicated wristwatches. The model was available in various precious metal configurations.