{"listing": {"id": "h_7004663349331", "title": "A. Lange & Söhne Tourbillon Perpetual Calendar | 720.025F | Platinum", "brand": "A. Lange & Söhne", "model": "Tourbillon Perpetual Calendar | 720.025F | Platinum", "reference": "720.025F", "price_usd": 160000.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "Platinum", "case_size_mm": 40.0, "movement": "Automatic", "complications": ["Tourbillon", "Perpetual Calendar"], "merchant_slug": "a-collected-man", "merchant_name": "A Collected Man", "image_url": "https://cdn.shopify.com/s/files/1/0606/5325/files/A._Lange___Sohne_Tourbillon_Perpetual_Calendar_720.025F_platinum_A_Collected_Man_London_00_Thumbnail.jpg?v=1689240359", "detail_url": "https://mostexpensivewatches.net/listing/h_7004663349331", "buy_url": "https://mostexpensivewatches.net/out/h_7004663349331", "available": true}, "lang": "en", "url": "https://mostexpensivewatches.net/listing/h_7004663349331", "alternatives_url": "https://mostexpensivewatches.net/api/v1/listing/h_7004663349331/alternatives", "lower_priced": [], "similar_listings": [], "cohort": {"count": 1, "median": 160000.0, "low": 160000.0, "high": 160000.0, "brands": 1, "merchants": 1, "listing_price": 160000.0, "position": "median", "delta_vs_median_pct": 0.0}, "reference": {"slug": "a-lange-sohne-lange-1-tourbillon", "ref": "720.025", "brand": "A. Lange & Söhne", "model": "Lange 1 Tourbillon Perpetual", "url": "https://mostexpensivewatches.net/reference/a-lange-sohne-lange-1-tourbillon", "alternatives_url": "https://mostexpensivewatches.net/api/alternatives/a-lange-sohne-lange-1-tourbillon"}, "cross_reference_alternatives": [{"reference": {"slug": "a-lange-sohne-datograph-perpetual-tourbillon", "brand": "A. Lange & Söhne", "ref": "740.036", "model": "Datograph Perpetual Tourbillon", "case_material": "Platinum", "url": "https://mostexpensivewatches.net/reference/a-lange-sohne-datograph-perpetual-tourbillon", "description": "The A. Lange & Söhne Datograph Perpetual Tourbillon reference 740.036 was introduced in 2016 as a limited edition of 100 pieces in platinum. This reference features a black solid silver dial and houses the manual-wind caliber L952.2, which integrates a flyback chronograph, a perpetual calendar with a moon phase, and a one-minute tourbillon visible through the sapphire caseback. Collectors value this reference for its technical density and the inclusion of a stop-seconds mechanism for the tourbillon, a rare feature in high-complication movements. The 41.5mm platinum case houses 729 individual components. On the secondary market, this reference typically commands prices in the mid-to-high six-figure range, often between $600,000 and $800,000 depending on condition and provenance. A notable production variant is the 740.056, released in 2019 with a \"salmon\" pink gold dial, which was also limited to 100 pieces."}, "score": 28, "why_compare": "Same a. lange & söhne collector universe; shared search intent: lange, perpetual; similar platinum case profile.", "listing_stats": {"count": 5, "median": 198000.0, "low": 190000.0, "high": 205000.0, "brands": 1, "merchants": 1}, "top_listing": {"id": "h_7362555052115", "title": "A. Lange & Söhne Datograph Perpetual Tourbillon | Platinum", "brand": "A. Lange & Söhne", "model": "Datograph Perpetual Tourbillon | Platinum", "reference": "CCWPT_A1946", "price_usd": 205000.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "Platinum", "case_size_mm": 40.0, "movement": "Automatic", "complications": ["Tourbillon", "Perpetual Calendar"], "merchant_slug": "a-collected-man", "merchant_name": "A Collected Man", "image_url": "https://cdn.shopify.com/s/files/1/0606/5325/files/A_Lange___Sohne_Datograph_Perpetual_Tourbillon_740_036FE_platinum_A_Collected_Man_London_Thumbnail_00_v2.jpg?v=1718097372", "detail_url": "https://mostexpensivewatches.net/listing/h_7362555052115", "buy_url": "https://mostexpensivewatches.net/out/h_7362555052115", "available": false}, "auction_comp_count": 0, "review_url": "https://mostexpensivewatches.net/review/a-lange-sohne-datograph-perpetual-tourbillon", "alternatives_url": "https://mostexpensivewatches.net/alternatives/a-lange-sohne-datograph-perpetual-tourbillon"}, {"reference": {"slug": "a-lange-s-hne-421", "brand": "A. Lange & Söhne", "ref": "421", "model": "1815 Rattrapante Perpetual Calendar", "case_material": "Platinum", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/a-lange-s-hne-421", "description": "The A. Lange & Söhne 1815 Rattrapante Perpetual Calendar reference 421.025 in platinum was introduced in 2013 and remains in the current catalog. Collectors prioritize this reference for the caliber L101.1, a manual-wind movement comprising 631 parts that integrates a split-seconds chronograph with a perpetual calendar and moon phase. The 41.9mm case houses a solid silver dial with Arabic numerals and a railway-track minute scale, distinguishing it from the Datograph series. Its technical significance lies in being one of the brand's most complex serial production pieces, winning the Grand Complication prize at the 2013 GPHG. On the secondary market, this platinum model typically trades in the $140,000 to $180,000 range. A notable production variant is the \"Handwerkskunst\" edition, limited to 20 pieces, which features a tremblage-engraved dial and blue enamel, commanding significantly higher premiums at specialized auctions."}, "score": 24, "why_compare": "Same a. lange & söhne collector universe; shared search intent: lange, perpetual; similar platinum case profile.", "listing_stats": {"count": 1, "median": 199500.0, "low": 199500.0, "high": 199500.0, "brands": 1, "merchants": 1}, "top_listing": {"id": "h_7647422185559", "title": "A. Lange & Söhne A. Lange & Söhne 1815 Rattrapante Perpetual Calendar", "brand": "A. Lange & Söhne", "model": "A. Lange & Söhne 1815 Rattrapante Perpetual Calendar", "reference": "1815", "price_usd": 199500.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "Stainless Steel", "case_size_mm": 40.0, "movement": "Automatic", "complications": ["Perpetual Calendar", "Split-Seconds Chronograph"], "merchant_slug": "analog-shift", "merchant_name": "Analog/Shift", "image_url": "https://cdn.shopify.com/s/files/1/0809/1255/files/AS12159_40993164_A.LANGE_SOHNE_1815RATTRAPANTEPERPETUALCALENDAR_421.032FE-1.jpg?v=1778519685", "detail_url": "https://mostexpensivewatches.net/listing/h_7647422185559", "buy_url": "https://mostexpensivewatches.net/out/h_7647422185559", "available": true}, "auction_comp_count": 1, "review_url": "https://mostexpensivewatches.net/review/a-lange-s-hne-421", "alternatives_url": "https://mostexpensivewatches.net/alternatives/a-lange-s-hne-421"}, {"reference": {"slug": "a-lange-sohne-703-025f-cabaret-tourbillon", "brand": "A. Lange & Söhne", "ref": "703.025F", "model": "Cabaret Tourbillon Handwerkskunst", "case_material": "Platinum", "url": "https://mostexpensivewatches.net/reference/a-lange-sohne-703-025f-cabaret-tourbillon", "description": "The A. Lange & Söhne Cabaret Tourbillon Handwerkskunst reference 703.025F was released in 2021 as a limited edition of 30 pieces. This platinum-cased model is the seventh entry in the Handwerkskunst series and utilizes the rectangular caliber L042.1. Collectors value this reference for its technical innovation, as it features the world’s first stop-seconds mechanism for a tourbillon, and its decorative execution, including a solid white gold dial with semi-transparent grey enamel and manual tremblage engraving. The movement bridges are decorated with black rhodium and granular frosting rather than traditional Glashütte stripes. On the secondary market, this reference typically commands prices in the mid-to-high six-figure range, often exceeding $350,000 depending on provenance. A notable production detail is that this model was launched thirteen years after the original Cabaret Tourbillon was discontinued, serving as a final tribute to the brand’s only rectangular tourbillon movement."}, "score": 24, "why_compare": "Same a. lange & söhne collector universe; shared search intent: lange, platinum; similar platinum case profile.", "listing_stats": {"count": 0, "median": 0, "low": 0, "high": 0}, "top_listing": null, "auction_comp_count": 0, "review_url": "https://mostexpensivewatches.net/review/a-lange-sohne-703-025f-cabaret-tourbillon", "alternatives_url": "https://mostexpensivewatches.net/alternatives/a-lange-sohne-703-025f-cabaret-tourbillon"}, {"reference": {"slug": "a-lange-s-hne-704", "brand": "A. Lange & Söhne", "ref": "704", "model": "Lange 1 Tourbillon", "case_material": "Platinum", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/a-lange-s-hne-704", "description": "The A. Lange & Söhne Lange 1 Tourbillon reference 704.025 in platinum was released in 2000 as a limited edition of 150 pieces to mark the turn of the century. It features the manual-wind caliber L961.1, which incorporates 378 components, twin mainspring barrels for a 72-hour power reserve, and a one-minute tourbillon visible through a dial aperture at 4 o'clock. The 38.5mm case houses a solid silver dial with the signature offset layout and oversized date. Collectors value this reference as the first tourbillon in the Lange 1 family and for its technical execution, including the patented stop-seconds mechanism that allows for precise synchronization. On the secondary market, this platinum reference typically trades in the $120,000 to $160,000 range depending on provenance. A notable 2000 production detail is the use of two diamond endstones for the tourbillon cage, a traditional high-grade finishing touch."}, "score": 24, "why_compare": "Same a. lange & söhne collector universe; shared search intent: lange, platinum; similar platinum case profile.", "listing_stats": {"count": 12, "median": 195000.0, "low": 47000.0, "high": 290000.0, "brands": 1, "merchants": 2}, "top_listing": {"id": "h_7635928416343", "title": "A. Lange & Söhne A. Lange & Söhne Lange 1815 Tourbillon", "brand": "A. Lange & Söhne", "model": "A. Lange & Söhne Lange 1815 Tourbillon", "reference": "1815", "price_usd": 195000.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "Platinum", "case_size_mm": 40.0, "movement": "Automatic", "complications": ["Tourbillon"], "merchant_slug": "analog-shift", "merchant_name": "Analog/Shift", "image_url": "https://cdn.shopify.com/s/files/1/0809/1255/files/AS11814_40992980_A.LANGE_SOHNE_1815TOURBILLION_730.079F-6.jpg?v=1778080197", "detail_url": "https://mostexpensivewatches.net/listing/h_7635928416343", "buy_url": "https://mostexpensivewatches.net/out/h_7635928416343", "available": true}, "auction_comp_count": 5, "review_url": "https://mostexpensivewatches.net/review/a-lange-s-hne-704", "alternatives_url": "https://mostexpensivewatches.net/alternatives/a-lange-s-hne-704"}, {"reference": {"slug": "a-lange-sohne-zeitwerk-147", "brand": "A. Lange & Söhne", "ref": "147.025", "model": "Zeitwerk Minute Repeater", "case_material": "Platinum", "url": "https://mostexpensivewatches.net/reference/a-lange-sohne-zeitwerk-147", "description": "The A. Lange & Söhne Zeitwerk Minute Repeater reference 147.025 was introduced in 2015 as the first mechanical wristwatch to combine a jumping numerals display with a decimal minute repeater. Housed in a 44.2mm platinum case, this reference features the manual-wind caliber L043.5, which utilizes a constant-force escapement to manage the energy required for the instantaneous disc jumps. Unlike traditional repeaters that chime quarters, this model sounds ten-minute intervals, matching the digital time display. The rhodium-colored dial is made of solid silver with a bridge crafted from black-rhodiumed German silver. While the model remains in the current catalog, production is limited by technical complexity to approximately 30 units per year. On the secondary market, this reference typically commands prices between $350,000 and $450,000. A notable technical constraint is the safety system that prevents the time from being adjusted while the striking mechanism is active."}, "score": 20, "why_compare": "Same a. lange & söhne collector universe; shared search intent: lange, platinum; 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/a-lange-sohne-zeitwerk-147", "alternatives_url": "https://mostexpensivewatches.net/alternatives/a-lange-sohne-zeitwerk-147"}, {"reference": {"slug": "a-lange-s-hne-410", "brand": "A. Lange & Söhne", "ref": "410", "model": "Datograph Perpetual", "case_material": "18k Pink Gold", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/a-lange-s-hne-410", "description": "The A. Lange & Söhne Datograph Perpetual reference 410.032 in 18k pink gold was introduced in 2015 and remains in the brand’s current catalog. Collectors prioritize this reference for its integration of a column-wheel flyback chronograph with a perpetual calendar and the signature outsize date. It houses the manual-wind caliber L952.1, a 556-component movement featuring a silver-plated dial with solid silver sub-dials and luminous alpha hands. The 41mm case measures 13.5mm in thickness, offering a larger profile than the original 39mm Datograph. On the secondary market, this reference typically trades in the low-to-mid six-figure range, generally between $130,000 and $160,000 depending on condition and provenance. A notable production detail is the rapid-correction pusher at 10 o’clock, which advances all calendar displays simultaneously, a technical distinction from the separate recessed adjusters found on many high-complication perpetual calendars."}, "score": 19, "why_compare": "Same a. lange & söhne collector universe; shared search intent: lange, perpetual.", "listing_stats": {"count": 6, "median": 196500.0, "low": 94770.0, "high": 205000.0, "brands": 1, "merchants": 2}, "top_listing": {"id": "h_7366968213591", "title": "A. Lange & Söhne A. Lange & Söhne Datograph Perpetual Calendar", "brand": "A. Lange & Söhne", "model": "A. Lange & Söhne Datograph Perpetual Calendar", "reference": "40992201", "price_usd": 94770.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "Stainless Steel", "case_size_mm": 40.0, "movement": "Automatic", "complications": ["Perpetual Calendar"], "merchant_slug": "analog-shift", "merchant_name": "Analog/Shift", "image_url": "https://cdn.shopify.com/s/files/1/0809/1255/files/AS10236_40992201_A.LANGE_SOHNE_DATOGRAPH_410.025-6.jpg?v=1739302805", "detail_url": "https://mostexpensivewatches.net/listing/h_7366968213591", "buy_url": "https://mostexpensivewatches.net/out/h_7366968213591", "available": true}, "auction_comp_count": 1, "review_url": "https://mostexpensivewatches.net/review/a-lange-s-hne-410", "alternatives_url": "https://mostexpensivewatches.net/alternatives/a-lange-s-hne-410"}]}