{"reference": {"slug": "iwc-3770", "brand": "IWC", "ref": "3770", "model": "Grande Complication", "case_material": "Platinum", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/iwc-3770", "description": "The IWC Grande Complication reference 3770 in platinum was produced between 1990 and approximately 2005. This reference is significant for being the first wristwatch to integrate a perpetual calendar, chronograph, and minute repeater into a single movement, the caliber 79091. Based on a Valjoux 7750 architecture, the movement features a Kurt Klaus-designed calendar module that is synchronized via the crown. The platinum case measures 42.2mm in diameter and houses a solid silver dial with four sub-dials and a moon phase indicator. Production was limited to 50 pieces per year, contributing to its scarcity. On the secondary market, the reference 3770 in platinum typically trades between $80,000 and $120,000 depending on condition and provenance. A notable production detail is the inclusion of a slide on the left case flank to activate the minute repeater, which utilizes two gongs to chime hours, quarters, and minutes."}, "lang": "ja", "url": "https://mostexpensivewatches.net/ja/alternatives/iwc-3770", "reference_url": "https://mostexpensivewatches.net/ja/reference/iwc-3770", "review_url": "https://mostexpensivewatches.net/ja/review/iwc-3770", "listing_stats": {"count": 0, "median": 0, "low": 0, "high": 0}, "auction_comp_count": 3, "alternatives": [{"reference": {"slug": "iwc-3770-25", "brand": "IWC", "ref": "3770-25", "model": "Grande Complication", "case_material": "18k Pink Gold", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/iwc-3770-25", "description": "The IWC Grande Complication reference 3770-25 in 18k pink gold was produced during the 1990s and early 2000s as part of a limited annual production run of 50 pieces per year across all metals. Collectors target this reference for the caliber 79091 movement, which integrates a perpetual calendar, moon phase, minute repeater, and chronograph within a 42.2mm case. The dial features four sub-dials and a four-digit year display, a signature of the Kurt Klaus calendar system. This specific reference is noted for its solid gold case construction and the mechanical complexity of housing 659 parts. On the secondary market, this model typically trades in the $60,000 to $95,000 range depending on service history and the presence of original accessories. A notable production detail is that the minute repeater slide is positioned on the left side of the case, activating two hammers that strike tuned gongs."}, "score": 17, "why_compare": "Same iwc collector universe; shared search intent: complication, grande.", "listing_stats": {"count": 0, "median": 0, "low": 0, "high": 0}, "top_listing": null, "auction_comp_count": 3, "review_url": "https://mostexpensivewatches.net/ja/review/iwc-3770-25", "alternatives_url": "https://mostexpensivewatches.net/ja/alternatives/iwc-3770-25"}, {"reference": {"slug": "iwc-iw502801", "brand": "IWC", "ref": "IW502801", "model": "Big Pilot Le Petit Prince' Unique Piece", "case_material": "Platinum", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/iwc-iw502801", "description": "The IWC Big Pilot’s Watch Perpetual Calendar Edition \"Le Petit Prince\" reference IW502801 is a unique piece produced in 2013 for the Sotheby’s Geneva auction to benefit the Antoine de Saint-Exupéry Youth Foundation. This specific reference is distinguished by its 46mm case constructed from 950 platinum and a midnight blue sunray-brushed dial. It houses the caliber 51613 automatic movement, featuring a seven-day power reserve and a perpetual calendar with a specialized moon phase display at 12 o'clock, which depicts the Little Prince standing on his planet. The exhibition case back reveals a 21-carat gold medallion on the rotor engraved with the same motif. At its 2013 auction debut, the watch sold for 173,000 CHF. Given its status as a unique piece, secondary market availability is non-existent, though its valuation remains in the mid-to-high six-figure range based on its historical significance as the first \"Le Petit Prince\" perpetual calendar."}, "score": 16, "why_compare": "Same iwc collector universe; shared search intent: iwc, 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/ja/review/iwc-iw502801", "alternatives_url": "https://mostexpensivewatches.net/ja/alternatives/iwc-iw502801"}, {"reference": {"slug": "iwc-iw500402", "brand": "IWC", "ref": "IW500402", "model": "Big Pilot Perpetual", "case_material": "Platinum", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/iwc-iw500402", "description": "The IWC Big Pilot’s Watch Perpetual Calendar reference IW500402 was produced between approximately 2006 and 2012. This reference is distinguished by its 46.2mm case constructed from solid 950 platinum, paired with a silver-plated dial and blue steel hands. It utilizes the IWC manufacture caliber 51612, an automatic movement featuring a Pellaton winding system, a seven-day power reserve, and Kurt Klaus’s perpetual calendar module which displays the year in four digits. Collectors value this specific reference for its significant weight and its position as the first non-limited platinum perpetual calendar in the Big Pilot line. On the secondary market, prices typically range from $28,000 to $38,000 depending on condition and the presence of original documentation. A notable production detail is that while not a numbered limited edition, its high retail price and platinum composition resulted in relatively low production volumes compared to steel counterparts."}, "score": 16, "why_compare": "Same iwc collector universe; shared search intent: iwc, platinum; similar platinum case profile.", "listing_stats": {"count": 1, "median": 19950.0, "low": 19950.0, "high": 19950.0, "brands": 1, "merchants": 1}, "top_listing": {"id": "h_7231910477911", "title": "IWC IWC Big Pilot Top Gun Perpetual Calendar", "brand": "IWC", "model": "IWC Big Pilot Top Gun Perpetual Calendar", "reference": "40970111", "price_usd": 19950.0, "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/AS09258_40970111_IWC_BIGPILOTTOPGUNPERPETUALCALENDAR_IW502902-6.jpg?v=1730498722", "detail_url": "https://mostexpensivewatches.net/listing/h_7231910477911", "buy_url": "https://mostexpensivewatches.net/out/h_7231910477911", "available": false}, "auction_comp_count": 1, "review_url": "https://mostexpensivewatches.net/ja/review/iwc-iw500402", "alternatives_url": "https://mostexpensivewatches.net/ja/alternatives/iwc-iw500402"}, {"reference": {"slug": "iwc-iw504101", "brand": "IWC", "ref": "IW504101", "model": "Portuguese Sidérale Scafusia", "case_material": "Platinum", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/iwc-iw504101", "description": "The IWC Portugieser Sidérale Scafusia reference IW504101 was introduced in 2011 as a built-to-order flagship and remains the most complex timepiece in the brand's history. Production is extremely limited due to the bespoke nature of each piece, which requires approximately one year to manufacture. The watch features the manual-wind caliber 94900, incorporating a constant-force tourbillon, a 96-hour power reserve, and a unique celestial display on the caseback customized to the owner’s specific geographical coordinates. The 46mm platinum case houses a dial displaying both solar time and sidereal time. Collectors value this reference for its astronomical complications, including a perpetual calendar and sunrise/sunset indications. On the secondary market, these timepieces typically command prices in the mid-to-high six-figure range, often between $350,000 and $500,000. A notable aspect of production is that no two examples are identical because the star charts are calibrated to individual locations."}, "score": 16, "why_compare": "Same iwc collector universe; shared search intent: iwc, 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/ja/review/iwc-iw504101", "alternatives_url": "https://mostexpensivewatches.net/ja/alternatives/iwc-iw504101"}, {"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": 16, "why_compare": "Same iwc collector universe; shared search intent: iwc, platinum; similar platinum case profile.", "listing_stats": {"count": 1, "median": 5175.0, "low": 5175.0, "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/ja/review/iwc-set", "alternatives_url": "https://mostexpensivewatches.net/ja/alternatives/iwc-set"}, {"reference": {"slug": "iwc-431", "brand": "IWC", "ref": "431", "model": "B-UHR (Grosse Fliegeruhr)", "case_material": "Stainless Steel", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/iwc-431", "description": "The IWC B-Uhr Reference 431, also known as the Grosse Fliegeruhr, was produced in 1940 for the German Luftwaffe. Collectors value this reference for its historical role as one of the five original manufacturers of the Beobachtungsuhr. The watch features a 55mm matte-finished staybrite stainless steel case designed for wear over flight suits and utilizes the Calibre 52 T.S.C. movement, which includes a central hacking seconds function for precise synchronization. The dial follows the Type A configuration with a luminous triangle and two dots at twelve o'clock. Approximately 1,000 units were manufactured, making it a rare military instrument. On the secondary market, these watches typically command prices in the mid-to-high five-figure range, often between $30,000 and $60,000 depending on condition. A notable auction result occurred at Christie’s in 2015, where a well-preserved example realized approximately $56,000."}, "score": 11, "why_compare": "Same iwc collector universe; shared search intent: iwc.", "listing_stats": {"count": 0, "median": 0, "low": 0, "high": 0}, "top_listing": null, "auction_comp_count": 1, "review_url": "https://mostexpensivewatches.net/ja/review/iwc-431", "alternatives_url": "https://mostexpensivewatches.net/ja/alternatives/iwc-431"}, {"reference": {"slug": "iwc-iw502709", "brand": "IWC", "ref": "IW502709", "model": "Big Pilot Antoine de Saint Exupéry'", "case_material": "18k White Gold", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/iwc-iw502709", "description": "The IWC Big Pilot’s Watch Annual Calendar Edition “Antoine de Saint Exupéry” reference IW502709 was released in 2016 as a limited edition of 250 pieces and is no longer in production. This reference is distinguished by its 46.2mm case constructed from 18k white gold and a tobacco brown sunray-brushed dial featuring an annual calendar complication that displays the month, date, and day in three separate windows. It is powered by the IWC-manufactured caliber 52850, an automatic movement with a seven-day power reserve and a solid 18k gold rotor shaped like a Lockheed P-38 Lightning. On the secondary market, this reference typically trades between $22,000 and $30,000 depending on condition and the presence of original documentation. A notable production detail is the sapphire case back which showcases the specialized rotor, a design specific to the Saint Exupéry series within the Big Pilot line."}, "score": 11, "why_compare": "Same iwc collector universe; shared search intent: iwc.", "listing_stats": {"count": 1, "median": 11600.0, "low": 11600.0, "high": 11600.0, "brands": 1, "merchants": 1}, "top_listing": {"id": "h_6894016921675", "title": "IWC IWC Big Pilot Spitfire Annual Calendar IW5027-02", "brand": "IWC", "model": "IWC Big Pilot Spitfire Annual Calendar IW5027-02", "reference": "IW5027", "price_usd": 11600.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "Stainless Steel", "case_size_mm": 40.0, "movement": "Automatic", "complications": ["Annual Calendar"], "merchant_slug": "hodinkee", "merchant_name": "Hodinkee Shop", "image_url": "https://cdn.shopify.com/s/files/1/0146/0732/products/IWC-Big-Pilot-Spitfire-IW5027-02-10-10-IWC-1VC4QS-7893e2db5bf4.jpg?v=1710687346", "detail_url": "https://mostexpensivewatches.net/listing/h_6894016921675", "buy_url": "https://mostexpensivewatches.net/out/h_6894016921675", "available": false}, "auction_comp_count": 1, "review_url": "https://mostexpensivewatches.net/ja/review/iwc-iw502709", "alternatives_url": "https://mostexpensivewatches.net/ja/alternatives/iwc-iw502709"}, {"reference": {"slug": "iwc-iw500912", "brand": "IWC", "ref": "IW500912", "model": "Big Pilot Le Petit Prince'", "case_material": "Stainless Steel", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/iwc-iw500912", "description": "The IWC Big Pilot’s Watch Edition “Le Petit Prince” reference IW500912 was introduced in 2016 as a successor to the IW500908 and remained in production until approximately 2021. This reference is distinguished by its 46mm stainless steel case and a midnight blue sunray-brushed dial featuring stylized Arabic numerals and a power reserve indicator at 3 o’clock. It houses the IWC-manufactured caliber 51111, an automatic movement providing a seven-day power reserve via a Pellaton winding system. Collectors prioritize this specific reference for its updated dial layout, which moved the \"9\" numeral back into place compared to previous iterations. The case back features an engraving of the Little Prince character. On the secondary market, this model typically trades between $7,500 and $10,500 depending on condition and accessories. While not a limited edition, its production run preceded the downsized 43mm series, maintaining its status as a traditional oversized Big Pilot."}, "score": 11, "why_compare": "Same iwc collector universe; shared search intent: iwc.", "listing_stats": {"count": 4, "median": 5475.0, "low": 4500.0, "high": 7850.0, "brands": 1, "merchants": 1}, "top_listing": {"id": "h_6893951582283", "title": "IWC IWC Big Pilot IW5009-01", "brand": "IWC", "model": "IWC Big Pilot IW5009-01", "reference": "IW5009", "price_usd": 7850.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "Stainless Steel", "case_size_mm": 40.0, "movement": "Automatic", "complications": [], "merchant_slug": "hodinkee", "merchant_name": "Hodinkee Shop", "image_url": "https://cdn.shopify.com/s/files/1/0146/0732/products/IWC-Big-Pilot-IW5009-01-10-10-IWC-5CZHLQ-28e464c08f0d.jpg?v=1703277980", "detail_url": "https://mostexpensivewatches.net/listing/h_6893951582283", "buy_url": "https://mostexpensivewatches.net/out/h_6893951582283", "available": false}, "auction_comp_count": 1, "review_url": "https://mostexpensivewatches.net/ja/review/iwc-iw500912", "alternatives_url": "https://mostexpensivewatches.net/ja/alternatives/iwc-iw500912"}, {"reference": {"slug": "iwc-iw501002", "brand": "IWC", "ref": "IW501002", "model": "Big Pilot Le Petit Prince'", "case_material": "Stainless Steel", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/iwc-iw501002", "description": "The IWC Big Pilot’s Watch Edition “Le Petit Prince” reference IW501002 was introduced in 2017 as a core collection model and remains in production. Collectors prioritize this reference for its 46.2mm stainless steel case and the signature midnight blue sunray-brushed dial, which distinguishes the \"Le Petit Prince\" sub-series from standard black-dialed heritage models. It is powered by the IWC-manufactured caliber 52110, an automatic movement featuring a Pellaton winding system and a seven-day power reserve indicated at the 3 o'clock position. The case includes a soft-iron inner shell for magnetic field protection and a screw-down crown providing 6 bar of water resistance. On the secondary market, this reference typically trades between $8,500 and $10,500 depending on condition and completeness. A notable production detail is the caseback engraving, which depicts the Little Prince character from Antoine de Saint-Exupéry’s novella."}, "score": 11, "why_compare": "Same iwc collector universe; shared search intent: iwc.", "listing_stats": {"count": 3, "median": 4800.0, "low": 4500.0, "high": 6150.0, "brands": 1, "merchants": 1}, "top_listing": {"id": "h_6858354229323", "title": "IWC IWC Pilot Le Petit Prince Double Chronograph Limited Edition IW3718-07", "brand": "IWC", "model": "IWC Pilot Le Petit Prince Double Chronograph Limited Edition IW3718-07", "reference": "IW3718", "price_usd": 6150.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "Stainless Steel", "case_size_mm": 40.0, "movement": "Automatic", "complications": ["Chronograph"], "merchant_slug": "hodinkee", "merchant_name": "Hodinkee Shop", "image_url": "https://cdn.shopify.com/s/files/1/0146/0732/products/IWC-Pilot-Le-Petit-Prince-IW3718-07-10-10-IWC-FZ7GNM-7700304b24bf.jpg?v=1696266330", "detail_url": "https://mostexpensivewatches.net/listing/h_6858354229323", "buy_url": "https://mostexpensivewatches.net/out/h_6858354229323", "available": false}, "auction_comp_count": 1, "review_url": "https://mostexpensivewatches.net/ja/review/iwc-iw501002", "alternatives_url": "https://mostexpensivewatches.net/ja/alternatives/iwc-iw501002"}, {"reference": {"slug": "iwc-iw502704", "brand": "IWC", "ref": "IW502704", "model": "Big Pilot Le Petit Prince' Only Watch", "case_material": "18k Red Gold", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/iwc-iw502704", "description": "The IWC Big Pilot’s Watch Annual Calendar Edition “Le Petit Prince” reference IW502704 is a unique piece manufactured in 2016 specifically for the Only Watch charity auction. This reference is distinguished by its 46.2mm case constructed from 18k red gold and a midnight blue sunray-brushed dial featuring an annual calendar complication. It houses the manufacture caliber 52850, which provides a seven-day power reserve. Collectors value this specific watch for its unique movement execution; the solid gold oscillating weight is sandblasted and shaped to depict the Little Prince standing on an asteroid. As a unique piece, it does not have a standard secondary market price range, though it sold at the 2016 Christie’s Only Watch auction for 38,000 CHF. It remains the only example of this reference ever produced, marking a significant entry in the brand’s partnership with the Antoine de Saint-Exupéry Youth Foundation."}, "score": 11, "why_compare": "Same iwc collector universe; shared search intent: iwc.", "listing_stats": {"count": 1, "median": 11600.0, "low": 11600.0, "high": 11600.0, "brands": 1, "merchants": 1}, "top_listing": {"id": "h_6894016921675", "title": "IWC IWC Big Pilot Spitfire Annual Calendar IW5027-02", "brand": "IWC", "model": "IWC Big Pilot Spitfire Annual Calendar IW5027-02", "reference": "IW5027", "price_usd": 11600.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "Stainless Steel", "case_size_mm": 40.0, "movement": "Automatic", "complications": ["Annual Calendar"], "merchant_slug": "hodinkee", "merchant_name": "Hodinkee Shop", "image_url": "https://cdn.shopify.com/s/files/1/0146/0732/products/IWC-Big-Pilot-Spitfire-IW5027-02-10-10-IWC-1VC4QS-7893e2db5bf4.jpg?v=1710687346", "detail_url": "https://mostexpensivewatches.net/listing/h_6894016921675", "buy_url": "https://mostexpensivewatches.net/out/h_6894016921675", "available": false}, "auction_comp_count": 1, "review_url": "https://mostexpensivewatches.net/ja/review/iwc-iw502704", "alternatives_url": "https://mostexpensivewatches.net/ja/alternatives/iwc-iw502704"}, {"reference": {"slug": "iwc-iw503607", "brand": "IWC", "ref": "IW503607", "model": "Big Pilot Toto Wolff'", "case_material": "Ceratanium", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/iwc-iw503607", "description": "The IWC Big Pilot’s Watch Perpetual Calendar Edition \"Toto Wolff\" (Reference IW503607) was released in 2022 as a limited edition of 100 units. This reference is notable for its 46.2mm case constructed from Ceratanium, a proprietary alloy combining the lightness of titanium with the scratch resistance of ceramic. It features a tinted sapphire crystal dial that exposes the IWC-manufactured 52615 caliber, a movement equipped with a Pellaton winding system and a seven-day power reserve. The perpetual calendar complication tracks the date, day, month, and year in four digits, including a moon phase display. On the secondary market, this reference typically commands prices between $45,000 and $60,000 depending on condition and provenance. A significant production detail is its association with the Mercedes-AMG Petronas Formula One Team; the final piece of the edition, number 100, was auctioned by Bonhams in 2022 for £160,000 to benefit charity."}, "score": 11, "why_compare": "Same iwc collector universe; shared search intent: iwc.", "listing_stats": {"count": 0, "median": 0, "low": 0, "high": 0}, "top_listing": null, "auction_comp_count": 1, "review_url": "https://mostexpensivewatches.net/ja/review/iwc-iw503607", "alternatives_url": "https://mostexpensivewatches.net/ja/alternatives/iwc-iw503607"}, {"reference": {"slug": "iwc-iw501004", "brand": "IWC", "ref": "IW501004", "model": "Big Pilot's Watch Heritage", "case_material": "Titanium", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/iwc-iw501004", "description": "The IWC Big Pilot’s Watch Heritage reference IW501004 was introduced in 2017 and remains a part of the brand’s catalog. Collectors target this reference for its 46.2mm Grade 5 titanium case, which offers a lighter alternative to the traditional steel Big Pilot while maintaining the historical oversized aesthetic. It features a black dial with high-contrast beige luminescence designed to mimic the radium patina of the 1940s 52 T.S.C. military observers. The watch is powered by the IWC-manufactured caliber 52110, an automatic movement featuring a Pellaton winding system and a seven-day power reserve displayed at 3 o'clock. On the secondary market, this reference typically trades between $8,500 and $11,000 depending on condition and completeness. A notable production detail is the inclusion of a soft-iron inner case for protection against magnetic fields, adhering to original pilot specifications."}, "score": 11, "why_compare": "Same iwc collector universe; shared search intent: iwc.", "listing_stats": {"count": 0, "median": 0, "low": 0, "high": 0}, "top_listing": null, "auction_comp_count": 1, "review_url": "https://mostexpensivewatches.net/ja/review/iwc-iw501004", "alternatives_url": "https://mostexpensivewatches.net/ja/alternatives/iwc-iw501004"}]}