{"reference": {"slug": "voutilainen-2802-0205", "brand": "Voutilainen", "ref": "2802-0205", "model": "Venturer Tourbillon", "case_material": "18k White Gold", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/voutilainen-2802-0205"}, "lang": "ja", "url": "https://mostexpensivewatches.net/ja/alternatives/voutilainen-2802-0205", "reference_url": "https://mostexpensivewatches.net/ja/reference/voutilainen-2802-0205", "review_url": "https://mostexpensivewatches.net/ja/review/voutilainen-2802-0205", "listing_stats": {"count": 0, "median": 0, "low": 0, "high": 0}, "auction_comp_count": 1, "alternatives": [{"reference": {"slug": "voutilainen-chronograph", "brand": "Voutilainen", "ref": "CHRONOGRAPH", "model": "Chronograph Masterpiece", "case_material": "18k White Gold", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/voutilainen-chronograph"}, "score": 20, "why_compare": "Same voutilainen collector universe; shared search intent: 18k, gold; similar gold case profile.", "listing_stats": {"count": 0, "median": 0, "low": 0, "high": 0}, "top_listing": null, "auction_comp_count": 2, "review_url": "https://mostexpensivewatches.net/ja/review/voutilainen-chronograph", "alternatives_url": "https://mostexpensivewatches.net/ja/alternatives/voutilainen-chronograph"}, {"reference": {"slug": "a-lange-s-hne-701", "brand": "A. Lange & Söhne", "ref": "701", "model": "Tourbillon Pour le Mérite", "case_material": "18k White Gold", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/a-lange-s-hne-701", "description": "The A. Lange & Söhne Tourbillon Pour le Mérite reference 701.007 in 18k white gold was produced between 1994 and 1998 as part of the brand’s initial launch collection. Collectors prioritize this reference for its Calibre L902.0 movement, which was the first wristwatch movement to incorporate a fusée-and-chain transmission system to ensure constant force. The white gold variant is particularly rare, with only 19 pieces produced out of the total 200-unit run across all metals. It features a 38.5mm case, a silver dial with blued steel hands, and an aperture at six o'clock revealing the one-minute tourbillon. On the secondary market, this reference typically commands prices in the mid-to-high six-figure range, often exceeding $500,000. A notable auction result occurred in 2021 when a white gold example sold for approximately $800,000, reflecting its scarcity compared to the more common yellow gold and platinum versions."}, "score": 15, "why_compare": "Shared search intent: 18k, gold; similar gold case profile.", "listing_stats": {"count": 0, "median": 0, "low": 0, "high": 0}, "top_listing": null, "auction_comp_count": 4, "review_url": "https://mostexpensivewatches.net/ja/review/a-lange-s-hne-701", "alternatives_url": "https://mostexpensivewatches.net/ja/alternatives/a-lange-s-hne-701"}, {"reference": {"slug": "audemars-piguet-26119bc", "brand": "Audemars Piguet", "ref": "26119BC", "model": "Edward Piguet Tourbillon Grande Date", "case_material": "18k White Gold", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/audemars-piguet-26119bc", "description": "The Audemars Piguet Edward Piguet Tourbillon Grande Date reference 26119BC was produced during the mid-2000s and is no longer in current production. This reference is valued for its rectangular 18k white gold case, which measures 29mm by 49mm, and its integration of a tourbillon with a large date complication. It houses the manual-wind caliber 2891, a movement featuring a 70-hour power reserve and a visible tourbillon carriage at the six o'clock position. The dial typically features a silvered finish with guilloché patterns and applied Arabic numerals. Collectors monitor this reference due to its limited production numbers compared to the Royal Oak line. On the secondary market, this model generally trades in the $40,000 to $65,000 range depending on condition and provenance. A notable variant includes the reference 26009BC, which shares the case silhouette but utilizes the caliber 2886 with a power reserve indicator."}, "score": 15, "why_compare": "Shared search intent: 18k, gold; similar gold case profile.", "listing_stats": {"count": 0, "median": 0, "low": 0, "high": 0}, "top_listing": null, "auction_comp_count": 1, "review_url": "https://mostexpensivewatches.net/ja/review/audemars-piguet-26119bc", "alternatives_url": "https://mostexpensivewatches.net/ja/alternatives/audemars-piguet-26119bc"}, {"reference": {"slug": "audemars-piguet-26730bc", "brand": "Audemars Piguet", "ref": "26730BC", "model": "Royal Oak Flying Tourbillon", "case_material": "18k White Gold", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/audemars-piguet-26730bc", "description": "The Audemars Piguet Royal Oak Selfwinding Flying Tourbillon reference 26730BC.GG.1320BC.01 was introduced in 2022 to commemorate the 50th anniversary of the Royal Oak. This 41mm reference features an 18k white gold case and bracelet finished with a hammered \"Frosted Gold\" technique. It houses the manufacture caliber 2950, a selfwinding movement with a 65-hour power reserve and a flying tourbillon visible at six o'clock. The dial is characterized by a blue \"Dimpled\" texture rather than the traditional Tapisserie pattern. While the 50th-anniversary edition featured a dedicated oscillating weight, subsequent production continues without the anniversary branding. On the secondary market, this reference typically commands prices in the mid-to-high six-figure range, often between $450,000 and $600,000 depending on the specific dial execution and provenance. A notable 2022 auction result for a 50th-anniversary variant reached approximately $630,000, reflecting the premium placed on the initial commemorative production run."}, "score": 15, "why_compare": "Shared search intent: 18k, gold; similar gold case profile.", "listing_stats": {"count": 0, "median": 0, "low": 0, "high": 0}, "top_listing": null, "auction_comp_count": 2, "review_url": "https://mostexpensivewatches.net/ja/review/audemars-piguet-26730bc", "alternatives_url": "https://mostexpensivewatches.net/ja/alternatives/audemars-piguet-26730bc"}, {"reference": {"slug": "bovet-aiom004-01", "brand": "Bovet", "ref": "AIOM004-01", "model": "Amadeo Fleurier 46 Tourbillon Orbis Mundi", "case_material": "18k White Gold", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/bovet-aiom004-01", "description": "The Bovet Amadeo Fleurier 46 Tourbillon Orbis Mundi, reference AIOM004-01, was introduced around 2014 and remains a representative example of the brand’s convertible case design. Collectors prioritize this reference for the Amadeo system, which allows the 18k white gold 46mm case to function as a wristwatch, pocket watch, or desk clock without tools. The manual-wind caliber 13BM01TM-WRI features a seven-day power reserve and a patented double-face tourbillon. The dial side displays a world time function with twenty-four city indications and a power reserve indicator, while the reverse side showcases the movement architecture. Production numbers are low due to the complexity of the hand-finishing. On the secondary market, this reference typically trades in the low-to-mid six-figure range, often between $120,000 and $180,000 depending on condition. A notable variant includes the \"Braveheart\" tourbillon, which shares the Amadeo architecture but utilizes a different escapement."}, "score": 15, "why_compare": "Shared search intent: 18k, gold; similar gold case profile.", "listing_stats": {"count": 1, "median": 14750.0, "low": 14750.0, "high": 14750.0, "brands": 1, "merchants": 1}, "top_listing": {"id": "h_8447996166323", "title": "Bovet Bovet 19Thirty Great Guilloché Turquoise (Pre-owned)", "brand": "Bovet", "model": "Bovet 19Thirty Great Guilloché Turquoise (Pre-owned)", "reference": "—", "price_usd": 14750.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "Stainless Steel", "case_size_mm": 40.0, "movement": "Automatic", "complications": [], "merchant_slug": "collective-horology", "merchant_name": "Collective Horology", "image_url": "https://cdn.shopify.com/s/files/1/0559/0623/8643/files/P1010918.jpg?v=1773338487", "detail_url": "https://mostexpensivewatches.net/listing/h_8447996166323", "buy_url": "https://mostexpensivewatches.net/out/h_8447996166323", "available": false}, "auction_comp_count": 1, "review_url": "https://mostexpensivewatches.net/ja/review/bovet-aiom004-01", "alternatives_url": "https://mostexpensivewatches.net/ja/alternatives/bovet-aiom004-01"}, {"reference": {"slug": "breguet-3357", "brand": "Breguet", "ref": "3357", "model": "Classique Tourbillon", "case_material": "18k White Gold", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/breguet-3357", "description": "The Breguet Classique Tourbillon 3357 in 18k white gold was introduced in the 1990s as a direct successor to the reference 3350, the first tourbillon wristwatch produced by the brand. While the 3357 remains in the current catalog, its production spans several decades of the brand’s post-quartz crisis history. Collectors value this reference for the manual-wind Calibre 558.1, which features a 2.5Hz frequency and extensive hand-engraving visible through the sapphire caseback. The 35mm case houses a solid gold dial decorated with three distinct guilloché patterns and an aperture at six o’clock displaying the tourbillon carriage. On the secondary market, this white gold reference typically trades between $35,000 and $50,000 depending on the presence of original documentation. A notable production detail is the shift from \"Breguet\" to \"Breguet Nouvelle\" markings on movements during the transition of ownership to the Swatch Group in 1999."}, "score": 15, "why_compare": "Shared search intent: 18k, gold; similar gold case profile.", "listing_stats": {"count": 3, "median": 52000.0, "low": 38500.0, "high": 52770.0, "brands": 1, "merchants": 2}, "top_listing": {"id": "h_7258994114647", "title": "Breguet Breguet Classique Tourbillon Perpetual Calendar", "brand": "Breguet", "model": "Breguet Classique Tourbillon Perpetual Calendar", "reference": "40992074", "price_usd": 52770.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "Stainless Steel", "case_size_mm": 40.0, "movement": "Automatic", "complications": ["Tourbillon", "Perpetual Calendar"], "merchant_slug": "analog-shift", "merchant_name": "Analog/Shift", "image_url": "https://cdn.shopify.com/s/files/1/0809/1255/files/AS09873_40992074_BREGUET_CLASSIQUEPERPETUALCALENDARTOURBILLON_3757-7.jpg?v=1730502273", "detail_url": "https://mostexpensivewatches.net/listing/h_7258994114647", "buy_url": "https://mostexpensivewatches.net/out/h_7258994114647", "available": true}, "auction_comp_count": 1, "review_url": "https://mostexpensivewatches.net/ja/review/breguet-3357", "alternatives_url": "https://mostexpensivewatches.net/ja/alternatives/breguet-3357"}, {"reference": {"slug": "breguet-3358", "brand": "Breguet", "ref": "3358", "model": "Classique Tourbillon", "case_material": "18k White Gold", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/breguet-3358", "description": "The Breguet Classique Tourbillon 3358 in 18k white gold was introduced in the late 1990s and remained a staple of the brand’s high-complication catalog through the 2010s. Collectors prioritize this reference for its use of the manual-wind Calibre 558.1, a movement developed by Nouvelle Lemania under the direction of Daniel Roth. The 35mm case features a coin-edge profile and straight lugs, while the dial typically showcases traditional hand-guilloché patterns with a signature open aperture at 6 o'clock revealing the one-minute tourbillon. This reference represents the post-Quartz Crisis era of Breguet’s technical revival. On the secondary market, the 3358 generally trades between $35,000 and $55,000 depending on condition and provenance. A notable variant includes the 3358BB/Y2/986, which features a blue mother-of-pearl dial and diamond-set bezel, illustrating the model's transition from strictly traditional aesthetics to more decorative executions."}, "score": 15, "why_compare": "Shared search intent: 18k, gold; similar gold case profile.", "listing_stats": {"count": 3, "median": 52000.0, "low": 38500.0, "high": 52770.0, "brands": 1, "merchants": 2}, "top_listing": {"id": "h_7258994114647", "title": "Breguet Breguet Classique Tourbillon Perpetual Calendar", "brand": "Breguet", "model": "Breguet Classique Tourbillon Perpetual Calendar", "reference": "40992074", "price_usd": 52770.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "Stainless Steel", "case_size_mm": 40.0, "movement": "Automatic", "complications": ["Tourbillon", "Perpetual Calendar"], "merchant_slug": "analog-shift", "merchant_name": "Analog/Shift", "image_url": "https://cdn.shopify.com/s/files/1/0809/1255/files/AS09873_40992074_BREGUET_CLASSIQUEPERPETUALCALENDARTOURBILLON_3757-7.jpg?v=1730502273", "detail_url": "https://mostexpensivewatches.net/listing/h_7258994114647", "buy_url": "https://mostexpensivewatches.net/out/h_7258994114647", "available": true}, "auction_comp_count": 1, "review_url": "https://mostexpensivewatches.net/ja/review/breguet-3358", "alternatives_url": "https://mostexpensivewatches.net/ja/alternatives/breguet-3358"}, {"reference": {"slug": "greubel-forsey-gf05", "brand": "Greubel Forsey", "ref": "GF05", "model": "GMT Tourbillon", "case_material": "18k White Gold", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/greubel-forsey-gf05", "description": "The Greubel Forsey GMT in 18k white gold, featuring the manual-wind caliber GF05, was introduced in 2011 and remained a cornerstone of the brand’s production until the model was phased out around 2021. Collectors prioritize this reference for its technical complexity, specifically the 24-second tourbillon inclined at 25 degrees and the rotating titanium globe that provides a visual representation of world time. The 43.5mm case utilizes an asymmetrical lateral window to display the globe from a profile view. On the secondary market, this white gold reference typically trades in the mid-to-high six-figure range, often between $300,000 and $450,000 depending on condition and provenance. A notable production detail is the limited nature of these pieces; while not a numbered limited edition in white gold, total annual output for the entire GMT line remained extremely low, often fewer than 100 units across all metals."}, "score": 15, "why_compare": "Shared search intent: 18k, gold; similar gold case profile.", "listing_stats": {"count": 1, "median": 228850.0, "low": 228850.0, "high": 228850.0, "brands": 1, "merchants": 1}, "top_listing": {"id": "h_7039374032983", "title": "Greubel Forsey Greubel Forsey Double Tourbillon 30°", "brand": "Greubel Forsey", "model": "Greubel Forsey Double Tourbillon 30°", "reference": "40991872", "price_usd": 228850.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "Stainless Steel", "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/AS07983_40940061_BREITLING_AVENGER_A17331-21.jpg?v=1712763884", "detail_url": "https://mostexpensivewatches.net/listing/h_7039374032983", "buy_url": "https://mostexpensivewatches.net/out/h_7039374032983", "available": false}, "auction_comp_count": 2, "review_url": "https://mostexpensivewatches.net/ja/review/greubel-forsey-gf05", "alternatives_url": "https://mostexpensivewatches.net/ja/alternatives/greubel-forsey-gf05"}, {"reference": {"slug": "jacob-co-at100", "brand": "Jacob & Co", "ref": "AT100", "model": "Astronomia Tourbillon Bucherer BLUE", "case_material": "18k White Gold", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/jacob-co-at100", "description": "The Jacob & Co. Astronomia Tourbillon Bucherer BLUE (Reference AT100.30.AA.AA.A) was released in 2019 as a limited edition of 18 pieces. Collectors value this reference for its 50mm 18k white gold case featuring four sapphire crystal windows and its Bucherer-exclusive blue color scheme. The manual-wind Caliber JCAM10 movement utilizes a four-arm carousel that rotates every twenty minutes, supporting a triple-axis gravitational tourbillon, a 288-facet sapphire \"Jacob Cut\" diamond, a magnesium globe, and a differential-driven time display. This specific collaboration represents a high-complication pillar of the brand’s modern history. On the secondary market, this reference typically commands prices in the mid-to-high six-figure range, often between $400,000 and $600,000 depending on condition. In 2022, a unique piece from this series was sent to the International Space Station and subsequently auctioned for charity, highlighting the technical durability of the movement architecture."}, "score": 15, "why_compare": "Shared search intent: 18k, gold; similar gold case profile.", "listing_stats": {"count": 0, "median": 0, "low": 0, "high": 0}, "top_listing": null, "auction_comp_count": 1, "review_url": "https://mostexpensivewatches.net/ja/review/jacob-co-at100", "alternatives_url": "https://mostexpensivewatches.net/ja/alternatives/jacob-co-at100"}, {"reference": {"slug": "jacob-co-cv201", "brand": "Jacob & Co", "ref": "CV201", "model": "Caviar Tourbillon", "case_material": "18k White Gold", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/jacob-co-cv201", "description": "The Jacob & Co. Caviar Tourbillon CV201 in 18k white gold is a high-jewelry timepiece introduced in the early 2010s and remains available via special order. Collectors value this reference for its \"invisible setting,\" a technique where 424 baguette-cut diamonds are set into the case and dial without visible prongs, creating a seamless surface of stones. The watch is powered by the manual-wind Caliber JCBM05, which features a one-minute flying tourbillon and a 100-hour power reserve. Its 47mm case is constructed from 18k white gold and is fully paved, including the crown and lugs. On the secondary market, this reference typically commands prices in the mid-to-high six-figure range, often between $400,000 and $700,000 depending on stone quality. A notable production variant includes the \"Black Caviar,\" which utilizes black sapphires instead of white diamonds to achieve a monochromatic aesthetic."}, "score": 15, "why_compare": "Shared search intent: 18k, gold; similar gold case profile.", "listing_stats": {"count": 0, "median": 0, "low": 0, "high": 0}, "top_listing": null, "auction_comp_count": 1, "review_url": "https://mostexpensivewatches.net/ja/review/jacob-co-cv201", "alternatives_url": "https://mostexpensivewatches.net/ja/alternatives/jacob-co-cv201"}, {"reference": {"slug": "patek-philippe-5101g", "brand": "Patek Philippe", "ref": "5101G", "model": "10-Day Tourbillon", "case_material": "18k White Gold", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/patek-philippe-5101g", "description": "The Patek Philippe Reference 5101G was produced between approximately 2007 and 2012, following the initial 2003 release of the platinum version. This reference is valued for its rectangular Art Deco-inspired Tonda case crafted in 18k white gold, featuring triple-stepped flanks and a sapphire crystal caseback. It houses the manual-wind Caliber TO 28-20 REC 10J PS IRM, which integrates a one-minute tourbillon with two mainspring barrels providing a 240-hour power reserve. The dial is finished in blue with applied Breguet numerals and includes a power reserve indicator at 12 o’clock and sub-seconds at 6 o’clock. On the secondary market, the 5101G typically trades in the low-to-mid six-figure range, often between $130,000 and $180,000 depending on provenance. While the platinum 5101P is more common, the 5101G represents a smaller production run, making it a rarer find for collectors of high-complication Patek Philippe form watches."}, "score": 15, "why_compare": "Shared search intent: 18k, gold; similar gold case profile.", "listing_stats": {"count": 0, "median": 0, "low": 0, "high": 0}, "top_listing": null, "auction_comp_count": 1, "review_url": "https://mostexpensivewatches.net/ja/review/patek-philippe-5101g", "alternatives_url": "https://mostexpensivewatches.net/ja/alternatives/patek-philippe-5101g"}, {"reference": {"slug": "patek-philippe-6002g", "brand": "Patek Philippe", "ref": "6002G", "model": "Sky Moon Tourbillon", "case_material": "18k White Gold", "url": "https://mostexpensivewatches.net/reference/patek-philippe-6002g", "description": "The Patek Philippe Sky Moon Tourbillon reference 6002G-001 was introduced in 2013 as the successor to the 5002, remaining in production until approximately 2016 before being replaced by the 6002G-010. This double-faced wristwatch features the manual-wind caliber R TO 27 QR SID LU CL, incorporating twelve complications including a minute repeater with cathedral gongs, a tourbillon, a perpetual calendar with retrograde date, and a celestial map. Collectors prioritize this reference for its 18k white gold case, which requires over 100 hours of hand-engraving, and its blue champlevé and cloisonné enamel dial. Due to its complexity, production is limited to very few units annually. On the secondary market, the 6002G typically commands prices between $3,000,000 and $6,000,000 depending on provenance. A notable auction result occurred in 2023 when a 6002G-001 sold for approximately $5.8 million, setting a record for a watch sold via an online auction platform."}, "score": 15, "why_compare": "Shared search intent: 18k, gold; similar gold case profile.", "listing_stats": {"count": 0, "median": 0, "low": 0, "high": 0}, "top_listing": null, "auction_comp_count": 1, "review_url": "https://mostexpensivewatches.net/ja/review/patek-philippe-6002g", "alternatives_url": "https://mostexpensivewatches.net/ja/alternatives/patek-philippe-6002g"}]}