{"listing": {"id": "h_6592113999955", "title": "Patek Philippe 3940P | Platinum", "brand": "Patek Philippe", "model": "3940P | Platinum", "reference": "3940P", "price_usd": 52500.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "Platinum", "case_size_mm": 36.0, "movement": "Automatic", "complications": [], "merchant_slug": "a-collected-man", "merchant_name": "A Collected Man", "image_url": "https://cdn.shopify.com/s/files/1/0606/5325/products/Patek_Philippe_3940_Platinum_Anthracite_A_Collected_Man_London_9_5e49b726-6a16-4696-b57c-57edf5586fc4.jpg?v=1629099058", "detail_url": "https://mostexpensivewatches.net/listing/h_6592113999955", "buy_url": "https://mostexpensivewatches.net/out/h_6592113999955", "available": false}, "lang": "en", "url": "https://mostexpensivewatches.net/listing/h_6592113999955", "alternatives_url": "https://mostexpensivewatches.net/api/v1/listing/h_6592113999955/alternatives", "lower_priced": [], "similar_listings": [], "cohort": {"count": 2, "median": 58750.0, "low": 52500.0, "high": 65000.0, "brands": 1, "merchants": 1, "listing_price": 52500.0, "position": "lowest", "delta_vs_median_pct": -10.6}, "reference": {"slug": "patek-philippe-3940p", "ref": "3940P", "brand": "Patek Philippe", "model": "Perpetual Calendar (Platinum Anniversary)", "url": "https://mostexpensivewatches.net/reference/patek-philippe-3940p", "alternatives_url": "https://mostexpensivewatches.net/api/alternatives/patek-philippe-3940p"}, "cross_reference_alternatives": [{"reference": {"slug": "patek-philippe-3974", "brand": "Patek Philippe", "ref": "3974", "model": "Minute Repeater Perpetual Calendar", "case_material": "Platinum", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/patek-philippe-3974", "description": "Patek Philippe produced the Reference 3974 between 1989 and approximately 2000 to commemorate the brand’s 150th anniversary. Collectors prioritize this reference because it was the first automatic minute repeater with a perpetual calendar, powered by the 467-part Caliber R 27 Q. The platinum variant is particularly rare, as the majority of the estimated 120 total units were cased in yellow gold. Early examples feature cases hand-forged by Jean-Pierre Hagmann, identified by his hallmark on the lug. The dial displays the day, month, leap year, 24-hour cycle, and moon phase. On the secondary market, platinum 3974 models typically command prices between $1,200,000 and $2,000,000 depending on provenance and condition. A notable auction result occurred at Christie’s in 2022, where a platinum specimen with a black dial and Breguet numerals sold for over $2.5 million, reflecting the premium placed on rare dial configurations."}, "score": 24, "why_compare": "Same patek philippe collector universe; shared search intent: calendar, patek; similar platinum case profile.", "listing_stats": {"count": 0, "median": 0, "low": 0, "high": 0}, "top_listing": null, "auction_comp_count": 3, "review_url": "https://mostexpensivewatches.net/review/patek-philippe-3974", "alternatives_url": "https://mostexpensivewatches.net/alternatives/patek-philippe-3974"}, {"reference": {"slug": "patek-philippe-5970", "brand": "Patek Philippe", "ref": "5970", "model": "Perpetual Calendar Chronograph", "case_material": "Platinum", "url": "https://mostexpensivewatches.net/reference/patek-philippe-5970", "description": "The Patek Philippe Reference 5970 was produced between 2004 and 2011, serving as the final perpetual calendar chronograph from the brand to utilize a Lemania-based movement. The 5970P platinum variant was manufactured specifically between 2009 and 2011, marking the end of the reference's production cycle. Collectors prioritize this model for its 40mm case diameter, which bridges the gap between vintage and modern proportions, and the Caliber CH 27-70 Q movement. The platinum version is distinguished by its solid black dial and a single Top Wesselton diamond set between the lugs at 6 o’clock. On the secondary market, the 5970P typically commands prices in the mid-to-high six-figure range, often between $350,000 and $450,000 depending on provenance. A notable production detail is that the 5970P was produced in significantly lower quantities than the yellow, rose, or white gold iterations."}, "score": 24, "why_compare": "Same patek philippe collector universe; shared search intent: calendar, patek; similar platinum case profile.", "listing_stats": {"count": 9, "median": 155000.0, "low": 120000.0, "high": 340000.0, "brands": 1, "merchants": 3}, "top_listing": {"id": "h_15262733730169", "title": "Patek Philippe Perpetual Calendar Chronograph | 3970E | Platinum", "brand": "Patek Philippe", "model": "Perpetual Calendar Chronograph | 3970E | Platinum", "reference": "3970E", "price_usd": 340000.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "Platinum", "case_size_mm": 40.0, "movement": "Automatic", "complications": ["Perpetual Calendar", "Chronograph"], "merchant_slug": "a-collected-man", "merchant_name": "A Collected Man", "image_url": "https://cdn.shopify.com/s/files/1/0606/5325/files/Patek_Philippe_Perpetual_Calendar_Chronograph_3970E_platinum_A_Collected_Man_London_Thumbnail_00.jpg?v=1764768413", "detail_url": "https://mostexpensivewatches.net/listing/h_15262733730169", "buy_url": "https://mostexpensivewatches.net/out/h_15262733730169", "available": false}, "auction_comp_count": 0, "review_url": "https://mostexpensivewatches.net/review/patek-philippe-5970", "alternatives_url": "https://mostexpensivewatches.net/alternatives/patek-philippe-5970"}, {"reference": {"slug": "patek-philippe-5970p-perpetual-calendar-chrono-platinum", "brand": "Patek Philippe", "ref": "5970P-001", "model": "Perpetual Calendar Chronograph", "case_material": "Platinum", "url": "https://mostexpensivewatches.net/reference/patek-philippe-5970p-perpetual-calendar-chrono-platinum", "description": "The Patek Philippe 5970P-001 was produced between 2009 and 2010, serving as the final iteration of the 5970 reference before it was replaced by the 5270. This platinum model features a 40mm case with a solid case back and an additional sapphire crystal exhibition back. It utilizes the manual-wind Caliber CH 27-70 Q, based on a Lemania ébauche, which is the last perpetual calendar chronograph movement Patek Philippe sourced from an external supplier. The dial is black with white gold leaf hands and a tachymeter scale. Collectors prioritize this reference for its balanced proportions and its transitional status in the brand's history. Current secondary market prices typically range from $350,000 to $450,000 depending on condition and provenance. Although the 5970 was produced in four metals, the platinum variant had the shortest production run, with an estimated total output of approximately 300 to 500 units."}, "score": 24, "why_compare": "Same patek philippe collector universe; shared search intent: calendar, patek; similar platinum case profile.", "listing_stats": {"count": 9, "median": 155000.0, "low": 120000.0, "high": 340000.0, "brands": 1, "merchants": 3}, "top_listing": {"id": "h_15262733730169", "title": "Patek Philippe Perpetual Calendar Chronograph | 3970E | Platinum", "brand": "Patek Philippe", "model": "Perpetual Calendar Chronograph | 3970E | Platinum", "reference": "3970E", "price_usd": 340000.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "Platinum", "case_size_mm": 40.0, "movement": "Automatic", "complications": ["Perpetual Calendar", "Chronograph"], "merchant_slug": "a-collected-man", "merchant_name": "A Collected Man", "image_url": "https://cdn.shopify.com/s/files/1/0606/5325/files/Patek_Philippe_Perpetual_Calendar_Chronograph_3970E_platinum_A_Collected_Man_London_Thumbnail_00.jpg?v=1764768413", "detail_url": "https://mostexpensivewatches.net/listing/h_15262733730169", "buy_url": "https://mostexpensivewatches.net/out/h_15262733730169", "available": false}, "auction_comp_count": 0, "review_url": "https://mostexpensivewatches.net/review/patek-philippe-5970p-perpetual-calendar-chrono-platinum", "alternatives_url": "https://mostexpensivewatches.net/alternatives/patek-philippe-5970p-perpetual-calendar-chrono-platinum"}, {"reference": {"slug": "patek-philippe-5270p-salmon-perpetual-chrono-platinum", "brand": "Patek Philippe", "ref": "5270P-001", "model": "Perpetual Calendar Chronograph Salmon Dial", "case_material": "Platinum", "url": "https://mostexpensivewatches.net/reference/patek-philippe-5270p-salmon-perpetual-chrono-platinum", "description": "The Patek Philippe 5270P-001 was introduced in 2018 and remained in production until its discontinuation in 2022. This reference is the first platinum iteration of the 5270 series to feature a salmon-colored dial, distinguished by blackened gold Arabic numerals and leaf-shaped hands. It houses the manual-wind Caliber CH 29-535 PS Q, the brand’s first in-house perpetual calendar chronograph movement, which replaced the Lemania-based predecessors. The 41mm platinum case includes a small diamond set between the lugs at 6 o’clock, a signature of the metal for the manufacture. Collectors value this specific model for its combination of a vintage-inspired aesthetic and modern technical reliability. On the secondary market, prices typically range from $165,000 to $210,000 depending on condition and provenance. A notable production detail is the removal of the \"chin\" on the tachymeter scale found in earlier 5270 generations, creating a cleaner dial layout."}, "score": 24, "why_compare": "Same patek philippe collector universe; shared search intent: calendar, patek; similar platinum case profile.", "listing_stats": {"count": 1, "median": 195000.0, "low": 195000.0, "high": 195000.0, "brands": 1, "merchants": 1}, "top_listing": {"id": "h_7690293248209", "title": "Patek Philippe Patek Philippe Grand Complications 5270P-014", "brand": "Patek Philippe", "model": "Patek Philippe Grand Complications 5270P-014", "reference": "5270P-014", "price_usd": 195000.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "Platinum", "case_size_mm": 41.0, "movement": "Automatic", "complications": [], "merchant_slug": "material-good", "merchant_name": "Material Good", "image_url": "https://cdn.shopify.com/s/files/1/0561/5190/0369/files/IMG_1955.jpg?v=1767993624", "detail_url": "https://mostexpensivewatches.net/listing/h_7690293248209", "buy_url": "https://mostexpensivewatches.net/out/h_7690293248209", "available": true}, "auction_comp_count": 0, "review_url": "https://mostexpensivewatches.net/review/patek-philippe-5270p-salmon-perpetual-chrono-platinum", "alternatives_url": "https://mostexpensivewatches.net/alternatives/patek-philippe-5270p-salmon-perpetual-chrono-platinum"}, {"reference": {"slug": "patek-philippe-3970ep-038", "brand": "Patek Philippe", "ref": "3970EP-038", "model": "Perpetual Calendar Chronograph Special Edition", "case_material": "Platinum", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/patek-philippe-3970ep-038", "description": "The Patek Philippe 3970 was produced from 1986 to 2004, succeeding the reference 2499. The 3970EP-038 is a specific platinum execution from the fourth series, distinguished by its 36mm case with a screw-down sapphire caseback and a black dial featuring diamond hour markers. It utilizes the manual-wind Caliber CH 27-70 Q, based on a Lemania 2310 ébauche, which collectors value as the first Patek Philippe perpetual calendar chronograph movement not based on a Valjoux blank. This reference represents the transition from vintage to modern proportions and manufacturing techniques. On the secondary market, the 3970EP-038 typically commands prices in the mid-to-high six-figure range, often between $180,000 and $250,000 depending on provenance. A notable production detail is that while standard platinum 3970s featured baton markers, the diamond-dial 038 variant was produced in significantly smaller quantities, increasing its rarity among fourth-series examples."}, "score": 24, "why_compare": "Same patek philippe collector universe; shared search intent: calendar, patek; similar platinum case profile.", "listing_stats": {"count": 2, "median": 244500.0, "low": 149000.0, "high": 340000.0, "brands": 1, "merchants": 1}, "top_listing": {"id": "h_15262733730169", "title": "Patek Philippe Perpetual Calendar Chronograph | 3970E | Platinum", "brand": "Patek Philippe", "model": "Perpetual Calendar Chronograph | 3970E | Platinum", "reference": "3970E", "price_usd": 340000.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "Platinum", "case_size_mm": 40.0, "movement": "Automatic", "complications": ["Perpetual Calendar", "Chronograph"], "merchant_slug": "a-collected-man", "merchant_name": "A Collected Man", "image_url": "https://cdn.shopify.com/s/files/1/0606/5325/files/Patek_Philippe_Perpetual_Calendar_Chronograph_3970E_platinum_A_Collected_Man_London_Thumbnail_00.jpg?v=1764768413", "detail_url": "https://mostexpensivewatches.net/listing/h_15262733730169", "buy_url": "https://mostexpensivewatches.net/out/h_15262733730169", "available": false}, "auction_comp_count": 1, "review_url": "https://mostexpensivewatches.net/review/patek-philippe-3970ep-038", "alternatives_url": "https://mostexpensivewatches.net/alternatives/patek-philippe-3970ep-038"}, {"reference": {"slug": "patek-philippe-5951p-001", "brand": "Patek Philippe", "ref": "5951P-001", "model": "Perpetual Calendar Split-Seconds Chronograph", "case_material": "Platinum", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/patek-philippe-5951p-001", "description": "The Patek Philippe 5951P-001 was introduced in 2010 and remained in production until approximately 2015. This reference is distinguished by its cushion-shaped platinum case and the caliber CHR 27-525 PS Q, which remains the thinnest column-wheel split-seconds chronograph movement with a perpetual calendar ever produced by the manufacture. Collectors prioritize this model for its technical density, as the movement measures only 7.3mm in height despite its 400 components. The dial features a black lacquer finish with red accents and white gold Breguet numerals, a departure from the brand’s traditional aesthetic. On the secondary market, the 5951P-001 typically commands prices in the mid-to-high six-figure range, often between $350,000 and $500,000 depending on provenance. A notable production detail is the single Top Wesselton diamond set into the case at 6 o'clock, signifying its platinum construction. Low production numbers make this reference a rare find at auction."}, "score": 24, "why_compare": "Same patek philippe collector universe; shared search intent: calendar, patek; similar platinum case profile.", "listing_stats": {"count": 0, "median": 0, "low": 0, "high": 0}, "top_listing": null, "auction_comp_count": 1, "review_url": "https://mostexpensivewatches.net/review/patek-philippe-5951p-001", "alternatives_url": "https://mostexpensivewatches.net/alternatives/patek-philippe-5951p-001"}]}