{"listing": {"id": "h_6594748350547", "title": "A. Lange & Söhne Zeitwerk 140.029 | White Gold", "brand": "A. Lange & Söhne", "model": "Zeitwerk 140.029 | White Gold", "reference": "140.029", "price_usd": 43500.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "18k White 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/products/A._Lange___Sohne_Zeitwerk_140.029_White_Gold_A_Collected_Man_London_9_dca7e924-8555-4dbb-b380-620c3eab623b.jpg?v=1629061877", "detail_url": "https://mostexpensivewatches.net/listing/h_6594748350547", "buy_url": "https://mostexpensivewatches.net/out/h_6594748350547", "available": false}, "lang": "en", "url": "https://mostexpensivewatches.net/listing/h_6594748350547", "alternatives_url": "https://mostexpensivewatches.net/api/v1/listing/h_6594748350547/alternatives", "lower_priced": [], "similar_listings": [], "cohort": {"count": 2, "median": 51250.0, "low": 43500.0, "high": 59000.0, "brands": 1, "merchants": 1, "listing_price": 43500.0, "position": "lowest", "delta_vs_median_pct": -15.1}, "reference": {"slug": "a-lange-s-hne-140", "ref": "140", "brand": "A. Lange & Söhne", "model": "Zeitwerk", "url": "https://mostexpensivewatches.net/reference/a-lange-s-hne-140", "alternatives_url": "https://mostexpensivewatches.net/api/alternatives/a-lange-s-hne-140"}, "cross_reference_alternatives": [{"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": 20, "why_compare": "Same a. lange & söhne collector universe; shared search intent: hne, lange; 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-s-hne-221", "brand": "A. Lange & Söhne", "ref": "221", "model": "1815 Up/Down", "case_material": "Platinum", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/a-lange-s-hne-221", "description": "The A. Lange & Söhne 1815 Up/Down reference 221.025 in platinum was produced between approximately 1997 and 2008. Collectors prioritize this reference for its 35.9mm case diameter, which adheres to traditional proportions compared to the larger modern iterations. It is powered by the manual-wind caliber L942.1, featuring a 45-hour power reserve indicated by the \"AUF/AB\" scale at 8 o'clock and a small seconds sub-dial at 4 o'clock. The solid silver dial utilizes Arabic numerals and blued steel hands, housed in a three-part platinum case with a sapphire crystal caseback. On the secondary market, this reference typically trades between $25,000 and $35,000 depending on the presence of original documentation. A notable production detail is the movement’s finishing, which includes a hand-engraved balance cock and screw-mounted gold chatons. While the yellow and rose gold variants are more common, the platinum reference 221.025 remains the most sought-after metal for this discontinued series."}, "score": 20, "why_compare": "Same a. lange & söhne collector universe; shared search intent: hne, lange; similar platinum case profile.", "listing_stats": {"count": 3, "median": 16850.0, "low": 16850.0, "high": 176000.0, "brands": 1, "merchants": 1}, "top_listing": {"id": "h_6992389701715", "title": "A. Lange & Söhne Datograph up/down \"Lumen\" | 405.034 | Platinum", "brand": "A. Lange & Söhne", "model": "Datograph up/down \"Lumen\" | 405.034 | Platinum", "reference": "405.034", "price_usd": 176000.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "Platinum", "case_size_mm": 40.0, "movement": "Automatic", "complications": ["Skeletonized"], "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_Lumen_405.034_platinum_A_Collected_Man_London_00.jpg?v=1684750536", "detail_url": "https://mostexpensivewatches.net/listing/h_6992389701715", "buy_url": "https://mostexpensivewatches.net/out/h_6992389701715", "available": false}, "auction_comp_count": 1, "review_url": "https://mostexpensivewatches.net/review/a-lange-s-hne-221", "alternatives_url": "https://mostexpensivewatches.net/alternatives/a-lange-s-hne-221"}, {"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: hne, 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"}, {"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": 20, "why_compare": "Same a. lange & söhne collector universe; shared search intent: hne, lange; 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-111", "brand": "A. Lange & Söhne", "ref": "111", "model": "Little Lange 1", "case_material": "Platinum", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/a-lange-s-hne-111", "description": "The A. Lange & Söhne Little Lange 1 reference 111.025 features a 36.1mm platinum case and was produced between approximately 1998 and 2006. Collectors value this reference for its specific proportions, which offer the classic Lange 1 asymmetric dial layout in a smaller diameter compared to the standard 38.5mm model. It is powered by the manual-wind caliber L901.4, featuring a twin mainspring barrel for a 72-hour power reserve and a three-quarter plate made of untreated German silver. The dial is solid silver with rhodiumed gold markers and an outsize date display. On the secondary market, this reference typically trades between $30,000 and $45,000 depending on condition and the presence of original documentation. A notable production detail is that while the \"Little\" designation often implies a feminine target market, the 111.025 is frequently sought by collectors with smaller wrists as a unisex alternative to the original 101.025."}, "score": 20, "why_compare": "Same a. lange & söhne collector universe; shared search intent: hne, lange; similar platinum case profile.", "listing_stats": {"count": 9, "median": 36880.0, "low": 22000.0, "high": 85000.0, "brands": 1, "merchants": 4}, "top_listing": {"id": "h_7675645329617", "title": "A. Lange & Söhne A. Lange & Söhne Grande Lange 1 117.025", "brand": "A. Lange & Söhne", "model": "A. Lange & Söhne Grande Lange 1 117.025", "reference": "117.025", "price_usd": 42500.0, "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/58-00404.jpg?v=1764736835", "detail_url": "https://mostexpensivewatches.net/listing/h_7675645329617", "buy_url": "https://mostexpensivewatches.net/out/h_7675645329617", "available": true}, "auction_comp_count": 1, "review_url": "https://mostexpensivewatches.net/review/a-lange-s-hne-111", "alternatives_url": "https://mostexpensivewatches.net/alternatives/a-lange-s-hne-111"}, {"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"}]}