{"listing": {"id": "h_7102713692243", "title": "A. Lange & Söhne Datograph Perpetual Tourbillon | 740.056 | White Gold", "brand": "A. Lange & Söhne", "model": "Datograph Perpetual Tourbillon | 740.056 | White Gold", "reference": "740.056", "price_usd": 198000.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "18k White Gold", "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_740.056FE_whitegold_A_Collected_Man_London_Thumbnail_00.jpg?v=1700487374", "detail_url": "https://mostexpensivewatches.net/listing/h_7102713692243", "buy_url": "https://mostexpensivewatches.net/out/h_7102713692243", "available": false}, "lang": "en", "url": "https://mostexpensivewatches.net/listing/h_7102713692243", "alternatives_url": "https://mostexpensivewatches.net/api/v1/listing/h_7102713692243/alternatives", "lower_priced": [], "similar_listings": [], "cohort": {"count": 2, "median": 199000.0, "low": 198000.0, "high": 200000.0, "brands": 1, "merchants": 1, "listing_price": 198000.0, "position": "lowest", "delta_vs_median_pct": -0.5}, "reference": {"slug": "a-lange-sohne-datograph-perpetual-tourbillon", "ref": "740.036", "brand": "A. Lange & Söhne", "model": "Datograph Perpetual Tourbillon", "url": "https://mostexpensivewatches.net/reference/a-lange-sohne-datograph-perpetual-tourbillon", "alternatives_url": "https://mostexpensivewatches.net/api/alternatives/a-lange-sohne-datograph-perpetual-tourbillon"}, "cross_reference_alternatives": [{"reference": {"slug": "a-lange-sohne-lange-1-tourbillon", "brand": "A. Lange & Söhne", "ref": "720.025", "model": "Lange 1 Tourbillon Perpetual", "case_material": "Platinum", "url": "https://mostexpensivewatches.net/reference/a-lange-sohne-lange-1-tourbillon", "description": "The A. Lange & Söhne Lange 1 Tourbillon Perpetual Calendar reference 720.025 in platinum was introduced in 2012 and remained in production until approximately 2021. This reference is powered by the self-winding caliber L082.1, which features a peripheral month ring to maintain the asymmetrical Lange 1 dial layout. The movement consists of 624 parts and incorporates a patented stop-seconds mechanism for the tourbillon, visible only through the sapphire caseback. The 41.9mm platinum case houses a solid silver rhodium-colored dial with a moon phase indicator accurate for 122.6 years. Collectors value this reference for its mechanical complexity and the discreet execution of the tourbillon. On the secondary market, this model typically trades in the low-to-mid six-figure range, often between $220,000 and $280,000. A notable variant is the \"Handwerkskunst\" edition, limited to 15 pieces, which features a tremblage-engraved dial and relief-engraved movement components."}, "score": 28, "why_compare": "Same a. lange & söhne collector universe; shared search intent: lange, perpetual; similar platinum case profile.", "listing_stats": {"count": 7, "median": 198000.0, "low": 160000.0, "high": 207770.0, "brands": 1, "merchants": 2}, "top_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}, "auction_comp_count": 2, "review_url": "https://mostexpensivewatches.net/review/a-lange-sohne-lange-1-tourbillon", "alternatives_url": "https://mostexpensivewatches.net/alternatives/a-lange-sohne-lange-1-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-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": 21, "why_compare": "Same a. lange & söhne collector universe; shared search intent: datograph, lange.", "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"}, {"reference": {"slug": "a-lange-s-hne-403", "brand": "A. Lange & Söhne", "ref": "403", "model": "Datograph", "case_material": "Platinum", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/a-lange-s-hne-403", "description": "The A. Lange & Söhne Datograph reference 403.035 in platinum was produced between 1999 and 2012. Collectors prioritize this reference as the original execution of the Datograph, featuring a 39mm case and the manual-wind caliber L951.1. The movement is noted for its flyback chronograph complication, instantaneous jumping minute counter, and intricate depth created by German silver bridges and hand-engraved balance cocks. The dial follows a symmetrical layout with a signature oversized date at twelve o'clock and silver sub-dials against a black background. On the secondary market, prices typically range from $85,000 to $110,000 depending on condition and the presence of original documentation. A notable production variant is the \"Meter\" dial, found on early examples, which features a tachymeter scale starting at 400 rather than the standard 300, often commanding a premium at international auctions."}, "score": 20, "why_compare": "Same a. lange & söhne collector universe; shared search intent: datograph, lange; similar platinum case profile.", "listing_stats": {"count": 21, "median": 71000.0, "low": 47000.0, "high": 320000.0, "brands": 1, "merchants": 3}, "top_listing": {"id": "h_15362366669177", "title": "A. Lange & Söhne Datograph Handwerkskunst | 405.048F | Yellow Gold", "brand": "A. Lange & Söhne", "model": "Datograph Handwerkskunst | 405.048F | Yellow Gold", "reference": "405.048F", "price_usd": 320000.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "18k Yellow Gold", "case_size_mm": 40.0, "movement": "Automatic", "complications": [], "merchant_slug": "a-collected-man", "merchant_name": "A Collected Man", "image_url": "https://cdn.shopify.com/s/files/1/0606/5325/files/A_Lange_Sohne_Datograph_Handwerkskunst_405_048F_yellow_gold_A_Collected_Man_London_Thumbnail_00.jpg?v=1771407476", "detail_url": "https://mostexpensivewatches.net/listing/h_15362366669177", "buy_url": "https://mostexpensivewatches.net/out/h_15362366669177", "available": true}, "auction_comp_count": 1, "review_url": "https://mostexpensivewatches.net/review/a-lange-s-hne-403", "alternatives_url": "https://mostexpensivewatches.net/alternatives/a-lange-s-hne-403"}]}