{"reference": {"slug": "grand-seiko-sbgw263-platinum-engraved", "brand": "Grand Seiko", "ref": "SBGW263", "model": "Masterpiece Collection Engraved", "case_material": "Platinum", "url": "https://mostexpensivewatches.net/reference/grand-seiko-sbgw263-platinum-engraved", "description": "The Grand Seiko Masterpiece Collection SBGW263 was released in 2020 as a limited edition of 20 pieces to commemorate the 60th anniversary of the brand. This reference features a 39mm case constructed from Platinum 950 and is powered by the manual-wind Caliber 9S64, which offers a 72-hour power reserve and an accuracy rating of +5 to -3 seconds per day. Collectors prioritize this model for its hand-engraved 18k white gold dial and handset, executed by master engraver Kiyoshi Terui at the Shizukuishi Watch Studio. The intricate engraving replaces traditional printing for the logo and indices. On the secondary market, this reference typically commands prices between $75,000 and $95,000, depending on condition and provenance. A notable production detail is that the \"Star\" mark at six o'clock signifies the use of precious metal for the hour markers, a hallmark of high-end vintage and modern Grand Seiko pieces."}, "lang": "en", "url": "https://mostexpensivewatches.net/alternatives/grand-seiko-sbgw263-platinum-engraved", "reference_url": "https://mostexpensivewatches.net/reference/grand-seiko-sbgw263-platinum-engraved", "review_url": "https://mostexpensivewatches.net/review/grand-seiko-sbgw263-platinum-engraved", "listing_stats": {"count": 0, "median": 0, "low": 0, "high": 0}, "auction_comp_count": 0, "alternatives": [{"reference": {"slug": "grand-seiko-slga009-white-birch-spring-drive", "brand": "Grand Seiko", "ref": "SLGA009", "model": "Evolution 9 White Birch", "case_material": "Stainless Steel", "url": "https://mostexpensivewatches.net/reference/grand-seiko-slga009-white-birch-spring-drive", "description": "The Grand Seiko Evolution 9 SLGA009 entered production in early 2022 and remains a current catalog offering. Collectors distinguish this reference from the earlier SLGH005 by its Spring Drive Caliber 9RA2, which provides a five-day power reserve and a movement accuracy of +/- 0.5 seconds per day. The 40mm stainless steel case follows the Evolution 9 design language, featuring a lower center of gravity and wider lugs for stability. The dial utilizes a pressed pattern inspired by white birch forests in Shizukuishi, characterized by shallower, more subtle textures than its high-beat predecessor. On the secondary market, the SLGA009 typically trades between $6,500 and $8,000 depending on condition and completeness. A notable technical distinction of this reference is the relocation of the power reserve indicator to the caseback side, resulting in a more symmetrical dial layout compared to previous Spring Drive models."}, "score": 13, "why_compare": "Same grand seiko collector universe; shared search intent: grand, seiko.", "listing_stats": {"count": 4, "median": 6450.0, "low": 6150.0, "high": 100000.0, "brands": 1, "merchants": 2}, "top_listing": {"id": "h_8035586965826", "title": "Grand Seiko Evolution 9 Spring Drive 'White Birch' 40mm SLGA009", "brand": "Grand Seiko", "model": "Evolution 9 Spring Drive 'White Birch' 40mm SLGA009", "reference": "SLGA009", "price_usd": 100000.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "Stainless Steel", "case_size_mm": 40.0, "movement": "Automatic", "complications": [], "merchant_slug": "watch-affinity", "merchant_name": "Watch-Affinity", "image_url": "https://cdn.shopify.com/s/files/1/0683/2449/1586/products/18400337_1.jpg?v=1669845260", "detail_url": "https://mostexpensivewatches.net/listing/h_8035586965826", "buy_url": "https://mostexpensivewatches.net/out/h_8035586965826", "available": false}, "auction_comp_count": 0, "review_url": "https://mostexpensivewatches.net/review/grand-seiko-slga009-white-birch-spring-drive", "alternatives_url": "https://mostexpensivewatches.net/alternatives/grand-seiko-slga009-white-birch-spring-drive"}, {"reference": {"slug": "iwc-set", "brand": "IWC", "ref": "SET", "model": "Vintage Collection Jubilee Edition 1868-2008", "case_material": "Platinum", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/iwc-set", "description": "Released in 2008 to commemorate the brand’s 140th anniversary, the IWC Vintage Collection Jubilee Edition set consists of six watches reimagining foundational models: the Portuguese, Ingenieur, Da Vinci, Aquatimer, Pilot’s Watch, and Portofino. The platinum edition was limited to 500 sets globally, though individual pieces were also sold separately. Collectors value this reference for its use of in-house manufacture movements, such as the caliber 98245 in the Portuguese and the caliber 80111 in the Ingenieur, housed in 950 platinum cases with silver-plated dials and sapphire casebacks. This set represents a transition toward IWC’s modern manufacture era while maintaining historical dimensions. On the secondary market, individual platinum pieces typically trade between $15,000 and $25,000, while complete six-watch sets in the original presentation trunk are rare, often valued in the low-six-figures. A complete platinum set notably realized approximately $130,000 at a major 2015 auction."}, "score": 7, "why_compare": "Shared search intent: collection, platinum; similar platinum case profile.", "listing_stats": {"count": 2, "median": 4762.5, "low": 4350.0, "high": 5175.0, "brands": 1, "merchants": 1}, "top_listing": {"id": "h_7679493275757", "title": "IWC 1988 IWC Quartz Fliegerchronograph 18K YG (Ref. 3740) \"Limited Edition\" W/ Full Set", "brand": "IWC", "model": "1988 IWC Quartz Fliegerchronograph 18K YG (Ref. 3740) \"Limited Edition\" W/ Full Set", "reference": "1988", "price_usd": 5175.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "18k Yellow Gold", "case_size_mm": 40.0, "movement": "Automatic", "complications": ["Chronograph"], "merchant_slug": "craft-and-tailored", "merchant_name": "Craft + Tailored", "image_url": "https://cdn.shopify.com/s/files/1/1104/9180/files/Img037364.jpg?v=1751577670", "detail_url": "https://mostexpensivewatches.net/listing/h_7679493275757", "buy_url": "https://mostexpensivewatches.net/out/h_7679493275757", "available": false}, "auction_comp_count": 1, "review_url": "https://mostexpensivewatches.net/review/iwc-set", "alternatives_url": "https://mostexpensivewatches.net/alternatives/iwc-set"}, {"reference": {"slug": "patek-philippe-5208p", "brand": "Patek Philippe", "ref": "5208P", "model": "Grand Complication", "case_material": "Platinum", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/patek-philippe-5208p", "description": "The Patek Philippe Reference 5208P-001 was introduced in 2011 and remained in production until approximately 2018, when it was succeeded by the rose gold 5208R. This reference is a \"Grand Complication\" featuring a minute repeater, a monopusher chronograph, and an instantaneous perpetual calendar with aperture displays. It utilizes the R CH 27 PS QI caliber, a self-winding movement composed of 701 individual parts. The 42mm platinum case is distinguished by its pierced lugs and a single diamond set into the caseband at 6 o’clock. Collectors value the 5208P for its mechanical density and its status as one of the few modern Patek Philippe watches to combine these specific high-order complications. On the secondary market, the 5208P typically commands prices between $750,000 and $950,000. A unique titanium version, Reference 5208T-010, sold for approximately $6.2 million at the 2017 Only Watch auction."}, "score": 7, "why_compare": "Shared search intent: grand, platinum; similar platinum case profile.", "listing_stats": {"count": 3, "median": 110000.0, "low": 51000.0, "high": 178000.0, "brands": 1, "merchants": 2}, "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": 178000.0, "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": 1, "review_url": "https://mostexpensivewatches.net/review/patek-philippe-5208p", "alternatives_url": "https://mostexpensivewatches.net/alternatives/patek-philippe-5208p"}, {"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": 5, "why_compare": "Shared search intent: platinum; 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": 5, "why_compare": "Shared search intent: platinum; 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-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": 5, "why_compare": "Shared search intent: 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-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": 5, "why_compare": "Shared search intent: platinum; similar platinum case profile.", "listing_stats": {"count": 22, "median": 77680.0, "low": 47000.0, "high": 320000.0, "brands": 1, "merchants": 3}, "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-403", "alternatives_url": "https://mostexpensivewatches.net/alternatives/a-lange-s-hne-403"}, {"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": 5, "why_compare": "Shared search intent: platinum; 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-sohne-datograph-405", "brand": "A. Lange & Söhne", "ref": "405.035", "model": "Datograph Up/Down", "case_material": "Platinum", "url": "https://mostexpensivewatches.net/reference/a-lange-sohne-datograph-405", "description": "The A. Lange & Söhne Datograph Up/Down reference 405.035 in platinum was introduced in 2012 as the successor to the original 39mm Datograph and remains in current production. Collectors prioritize this reference for its 41mm case diameter and the addition of a power reserve indicator at six o'clock, which addresses the limited 60-hour autonomy of the manual-wind Calibre L951.6. The movement features a flyback chronograph, a jumping minute counter, and a signature oversized date display. The dial is crafted from solid silver with a black galvanized finish and rhodiumed gold appliques. On the secondary market, this reference typically trades in the low-to-mid six-figure range, generally between $100,000 and $130,000 depending on condition and provenance. While the platinum model is the core production version, the reference 405.034 \"Lumen\" variant, limited to 200 pieces, represents the most significant production departure for this specific caliber."}, "score": 5, "why_compare": "Shared search intent: platinum; similar platinum case profile.", "listing_stats": {"count": 3, "median": 84360.0, "low": 63500.0, "high": 176000.0, "brands": 1, "merchants": 2}, "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": 0, "review_url": "https://mostexpensivewatches.net/review/a-lange-sohne-datograph-405", "alternatives_url": "https://mostexpensivewatches.net/alternatives/a-lange-sohne-datograph-405"}, {"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": 5, "why_compare": "Shared search intent: 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-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": 5, "why_compare": "Shared search intent: platinum; 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-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": 5, "why_compare": "Shared search intent: platinum; similar platinum case profile.", "listing_stats": {"count": 11, "median": 36880.0, "low": 22000.0, "high": 85000.0, "brands": 1, "merchants": 4}, "top_listing": {"id": "h_7643829731415", "title": "A. Lange & Söhne A. Lange & Söhne Little Lange 1 'Onyx'", "brand": "A. Lange & Söhne", "model": "A. Lange & Söhne Little Lange 1 'Onyx'", "reference": "40993166", "price_usd": 78950.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "Stainless Steel", "case_size_mm": 40.0, "movement": "Automatic", "complications": [], "merchant_slug": "analog-shift", "merchant_name": "Analog/Shift", "image_url": "https://cdn.shopify.com/s/files/1/0809/1255/files/AS12161_40993166_A.LANGE_SOHNE_LITTLELANGE1_181.062--6.jpg?v=1779471285", "detail_url": "https://mostexpensivewatches.net/listing/h_7643829731415", "buy_url": "https://mostexpensivewatches.net/out/h_7643829731415", "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"}]}