{"reference": {"slug": "jaeger-lecoultre-q3828420", "brand": "Jaeger-LeCoultre", "ref": "Q3828420", "model": "Reverso Classique", "case_material": "Stainless Steel", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/jaeger-lecoultre-q3828420", "description": "The Jaeger-LeCoultre Reverso Classique Large reference Q3828420 is a contemporary production model introduced around 2016 as part of the brand’s streamlined collection. Collectors prioritize this reference for its adherence to the original 1931 proportions, featuring a stainless steel case measuring 45.6mm by 27.4mm with a slim 8.5mm profile. It utilizes the manual-wind Calibre 822/2, a shaped movement with a 42-hour power reserve. The silvered dial features a guilloché center, black transferred Arabic numerals, and blued steel baton hands, omitting a seconds hand for a minimalist aesthetic. On the secondary market, this reference typically trades between $5,500 and $7,500 depending on condition and provenance. A notable production detail is the solid caseback on the reverse side, which provides a blank canvas for personalized engraving, a traditional functional element of the Reverso line that maintains the model's historical purpose of protecting the crystal."}, "listing_stats": {"count": 0, "median": 0, "low": 0, "high": 0}, "listings": [], "auction_lots": [{"slug": "jaeger-lecoultre-q3828420-2023", "brand": "Jaeger-LeCoultre", "reference": "Q3828420", "model": "Reverso Classique", "case_material": "Stainless Steel", "hammer_usd": 8890, "year_sold": 2023, "venue": "Sotheby's New York", "lot_summary": "Features a special 'Hammer' engraving on the reverse side, part of the Alan Hammer collection.", "source_url": "https://www.sothebys.com/en/buy/auction/2023/important-watches-2/reference-q3828420-reverso-a-stainless-steel", "provenance": "ai_generated_grounded", "url": "https://mostexpensivewatches.net/auctions/jaeger-lecoultre-q3828420-2023"}]}