{"reference": {"slug": "philippe-dufour-duality-rose-gold", "brand": "Philippe Dufour", "ref": "Duality", "model": "Duality", "case_material": "18k Rose Gold", "url": "https://mostexpensivewatches.net/reference/philippe-dufour-duality-rose-gold"}, "listing_stats": {"count": 0, "median": 0, "low": 0, "high": 0}, "listings": [], "auction_lots": [{"slug": "philippe-dufour-duality-platinum", "brand": "Philippe Dufour", "reference": "Duality", "model": "Duality", "case_material": "Platinum", "hammer_usd": 1800000, "year_sold": 2017, "venue": "Phillips New York", "lot_summary": "The first wristwatch to feature a dual escapement with a differential system. Only nine examples were ever produced, as the complexity of regulating two balances proved too time-consuming even for Dufour.", "url": "https://mostexpensivewatches.net/auctions/philippe-dufour-duality-platinum"}]}