Patek Philippe 5236 (Pre-owned - Good) — USD 103,570 on eBay

The Complications reference 5236P-001, introduced in 2021, is notable for its in-line perpetual calendar display. This configuration presents all calendar indications – day, date, month, and leap year – in a single, elongated aperture below 12 o'clock. This design choice offers a distinct aesthetic and legibility compared to traditional perpetual calendars with multiple subdials or apertures. The reference was a significant addition to Patek Philippe's Complications collection, showcasing a novel approach to a classic grand complication. Its platinum case and blue dial further underscore its position within the brand's high-end offerings. The watch is housed in a platinum case measuring 41.3mm in diameter, with a thickness of 11.07mm. It is powered by the self-winding caliber 31-260 PS QL, a movement specifically developed for this in-line perpetual calendar display. This movement incorporates several technical advancements to achieve its unique calendar presentation and offers a power reserve of 38 to 48 hours. The watch features a sapphire crystal on both the front and the case back, allowing for a view of the meticulously finished movement. As a relatively recent introduction that was subsequently discontinued, the 5236P-001 holds particular interest for collectors who appreciate innovative calendar displays and limited production periods. Its technical sophistication and unique aesthetic appeal to those seeking a distinct perpetual calendar from Patek Philippe. The discontinuation of a model introduced in 2021, while not uncommon for certain high-end references, adds to its potential collectibility, distinguishing it from longer-running production pieces.