Following its most successful year ever, with a market-leading annual auction total of over US$133 million, Phillips Watches in Association with Bacs & Russo is delighted to announce five extraordinary Patek Philippe wristwatches for this year’s Spring auction season. The full set of Patek Philippe perpetual calendar chronograph reference 2499 series comes from a prestigious single-owner collection that took almost 20 years of dedication to put together, will lead The Geneva Watch Auction XIII, including an ultra-rare 2nd series in pink gold.