{"query": "311", "brand": null, "total": 2, "limit": 10, "matches": [{"slug": "omega-311", "brand": "Omega", "ref": "311", "model": "Speedmaster", "case_material": "Stainless Steel", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/omega-311", "description": "The Omega Speedmaster Professional reference 311.30.42.30.01.005 was produced from approximately 2014 until its discontinuation in early 2021. Collectors target this reference as the final standard-production Moonwatch to feature the manual-wind Calibre 1861 movement and a hesalite crystal. It utilizes a 42mm stainless steel case with a solid caseback and 20mm lug width. This specific reference is noted for its \"big box\" presentation set, which included NATO and astronaut-style straps, a loupe, and a branded paperweight. On the secondary market, examples typically trade between $4,500 and $6,500 depending on condition and the inclusion of the original accessories. A notable variant within the 311 prefix family is the \"Silver Snoopy Award\" 45th Anniversary limited edition (311.32.42.30.04.003), which features a white dial and ceramic bezel, often commanding prices exceeding $40,000 at auction and through private dealers.", "score": 198}, {"slug": "vacheron-constantin-43031", "brand": "Vacheron Constantin", "ref": "43031", "model": "Patrimony Perpetual Calendar", "case_material": "18k Yellow Gold", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/vacheron-constantin-43031", "description": "The Vacheron Constantin reference 43031 in 18k yellow gold was produced from approximately 1983 until 2002. Collectors prioritize this reference for its ultra-thin caliber 1120/1, which utilizes a Jaeger-LeCoultre 920 base movement featuring a full-sized rotor with a beryllium rail. The 36mm case design is characterized by stepped lugs and a slim profile of roughly 7.5mm. The dial typically features \"sigma\" markings at six o'clock, indicating the use of solid gold indices, and displays the day, date, month, and moon phase without a leap year indicator. As of 2024, secondary market prices generally range between $35,000 and $55,000 depending on condition and the presence of original accessories. A notable variant includes the skeletonized reference 43032, though the 43031 remains the foundational perpetual calendar of the brand’s post-Quartz Crisis era. One example sold at Phillips in 2023 for approximately $40,000.", "score": 71}]}