{"listing": {"id": "h_7641697517794", "title": "Watch Collectors Patek Philippe Perpetual Calendar 3940J 18k Yellow Gold", "brand": "Watch Collectors", "model": "Patek Philippe Perpetual Calendar 3940J 18k Yellow Gold", "reference": "3940J", "price_usd": 29000.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "18k Yellow Gold", "case_size_mm": 36.0, "movement": "Automatic", "complications": ["Perpetual Calendar", "Moon Phase"], "merchant_slug": "watch-collectors-uk", "merchant_name": "Watch Collectors UK", "image_url": "https://cdn.shopify.com/s/files/1/0628/2218/7234/products/Patek-Philippe-Perpetual-Calendar-3940J-18K-Yellow-Gold-Second-Hand-Watch-Collectors-1-1.jpg?v=1647039054", "detail_url": "https://mostexpensivewatches.net/listing/h_7641697517794", "buy_url": "https://mostexpensivewatches.net/out/h_7641697517794", "available": false}, "lang": "en", "url": "https://mostexpensivewatches.net/listing/h_7641697517794", "alternatives_url": "https://mostexpensivewatches.net/api/v1/listing/h_7641697517794/alternatives", "lower_priced": [{"id": "h_7641694666978", "title": "Watch Collectors Patek Philippe Perpetual Calendar 3940J 18K Yellow Gold", "brand": "Watch Collectors", "model": "Patek Philippe Perpetual Calendar 3940J 18K Yellow Gold", "reference": "3940J", "price_usd": 27500.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "18k Yellow Gold", "case_size_mm": 36.0, "movement": "Automatic", "complications": ["Perpetual Calendar", "Moon Phase"], "merchant_slug": "watch-collectors-uk", "merchant_name": "Watch Collectors UK", "image_url": "https://cdn.shopify.com/s/files/1/0628/2218/7234/products/Patek-Philippe-Perpetual-Calendar-3940J-18K-Yellow-Gold-Second-Hand-Watch-Collectors-1.jpg?v=1647038549", "detail_url": "https://mostexpensivewatches.net/listing/h_7641694666978", "buy_url": "https://mostexpensivewatches.net/out/h_7641694666978", "available": false}], "similar_listings": [], "cohort": {"count": 2, "median": 28250.0, "low": 27500.0, "high": 29000.0, "brands": 1, "merchants": 1, "listing_price": 29000.0, "position": "highest", "delta_vs_median_pct": 2.7}}