{"reference": {"slug": "iwc-iw322702", "brand": "IWC", "ref": "IW322702", "model": "Ingenieur Automatic", "case_material": "Boron Carbide", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/iwc-iw322702", "description": "The IWC Ingenieur Automatic IW322702 was produced between approximately 2005 and 2008 as a limited edition of 1,000 pieces. This reference is distinguished by its 42.5mm case constructed from titanium with a bezel and crown guards made of boron carbide, a ceramic material noted for its extreme hardness. Collectors value the model for its use of the in-house caliber 80110, which features the Pellaton winding system and an integrated shock absorption mechanism. The dial is black with a textured \"I\" pattern and lacks the \"AMG\" branding found on other contemporary collaborations. On the secondary market, the IW322702 typically trades between $6,000 and $9,000 depending on condition and the presence of original accessories. A notable production detail is that this was the first time IWC utilized boron carbide, a material more commonly used in tank armor and industrial abrasives, in watchmaking."}, "lang": "it", "url": "https://mostexpensivewatches.net/it/alternatives/iwc-iw322702", "reference_url": "https://mostexpensivewatches.net/it/reference/iwc-iw322702", "review_url": "https://mostexpensivewatches.net/it/review/iwc-iw322702", "listing_stats": {"count": 2, "median": 7375.0, "low": 4500.0, "high": 10250.0, "brands": 1, "merchants": 2}, "auction_comp_count": 1, "alternatives": [{"reference": {"slug": "iwc-9225", "brand": "IWC", "ref": "9225", "model": "Ingenieur", "case_material": "18k Yellow Gold", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/iwc-9225", "description": "The IWC Ingenieur reference 9225 is an 18k yellow gold timepiece produced during the mid-to-late 1980s as part of the \"Skinny\" Ingenieur generation. Collectors value this reference for its 34mm Gérald Genta-inspired case design and its use of the ultra-thin caliber 2102, a quartz movement based on the ETA 210 series. This specific reference is noted for its integrated solid gold bracelet and the \"SL\" branding on the dial, signifying its lineage within the Steel Line heritage despite its precious metal construction. Due to low production volumes for solid gold variants during this era, the 9225 is relatively rare compared to its steel counterparts. On the secondary market, prices typically range from $12,000 to $18,000 depending on bracelet stretch and the presence of original documentation. A notable production detail is the use of a screw-down crown and sapphire crystal, maintaining the line's technical specifications."}, "score": 13, "why_compare": "Same iwc collector universe; shared search intent: ingenieur, iwc.", "listing_stats": {"count": 12, "median": 6325.0, "low": 3000.0, "high": 18000.0, "brands": 1, "merchants": 4}, "top_listing": {"id": "h_16292299047257", "title": "IWC IWC Ingenieur Automatic SL Khanjar Dial ref 3505 Steel and Gold Execution", "brand": "IWC", "model": "IWC Ingenieur Automatic SL Khanjar Dial ref 3505 Steel and Gold Execution", "reference": "3505", "price_usd": 10250.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "Stainless Steel", "case_size_mm": 40.0, "movement": "Automatic", "complications": [], "merchant_slug": "bulang-and-sons", "merchant_name": "Bulang & Sons", "image_url": "https://cdn.shopify.com/s/files/1/0961/8613/8969/files/W-3752IWCIngenieurAutomaticSLKhanjardial_283_1x1_38b36e15-b18c-46b8-b1f1-017a8a7f92ce.jpg?v=1778224443", "detail_url": "https://mostexpensivewatches.net/listing/h_16292299047257", "buy_url": "https://mostexpensivewatches.net/out/h_16292299047257", "available": true}, "auction_comp_count": 2, "review_url": "https://mostexpensivewatches.net/it/review/iwc-9225", "alternatives_url": "https://mostexpensivewatches.net/it/alternatives/iwc-9225"}, {"reference": {"slug": "iwc-3508", "brand": "IWC", "ref": "3508", "model": "Ingenieur 500,000 A/m", "case_material": "Stainless Steel", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/iwc-3508", "description": "Produced between 1989 and 1992, the IWC Ingenieur 500,000 A/m reference 3508 represents a technical peak in anti-magnetic watchmaking. Collectors value this reference for its Caliber 35790, which utilized a niobium-zirconium balance hairspring to achieve magnetic resistance far exceeding its name, tested to over 3.7 million A/m without a soft-iron inner cage. The 34mm stainless steel case, designed by Gérald Genta, maintains a slim profile of 8.8mm. Production was limited due to high manufacturing costs and low yields of the specialized hairspring, with approximately 2,700 total units produced across all metals. On the secondary market, stainless steel examples typically range from $6,000 to $10,000 depending on condition and the presence of original papers. A notable production detail is the \"500,000 A/m\" inscription on the case flank, a feature unique to this specific technical iteration of the Ingenieur line."}, "score": 13, "why_compare": "Same iwc collector universe; shared search intent: ingenieur, iwc.", "listing_stats": {"count": 0, "median": 0, "low": 0, "high": 0}, "top_listing": null, "auction_comp_count": 1, "review_url": "https://mostexpensivewatches.net/it/review/iwc-3508", "alternatives_url": "https://mostexpensivewatches.net/it/alternatives/iwc-3508"}, {"reference": {"slug": "iwc-1832", "brand": "IWC", "ref": "1832", "model": "Ingenieur SL", "case_material": "Stainless Steel", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/iwc-1832", "description": "The IWC Ingenieur SL Reference 1832 was produced between 1976 and approximately 1983. Designed by Gérald Genta, this reference is valued for its place in the \"Jumbo\" integrated-bracelet era and its anti-magnetic construction, featuring a soft-iron inner cage. It utilizes the in-house caliber 8541B Pellaton automatic movement. The 40mm steel case earned the nickname \"Jumbo\" due to its dimensions relative to contemporary standards. Production was limited, with estimates suggesting fewer than 600 stainless steel units were manufactured, making it significantly rarer than its peers from the same period. On the secondary market, prices typically range from $25,000 to $45,000 depending on condition and provenance. A notable variant is the \"checkerboard\" or \"graph paper\" dial texture, which is a primary identifier for the reference. Rare examples featuring the \"IWC\" logo at 12 o'clock instead of the full brand name occasionally appear at auction."}, "score": 13, "why_compare": "Same iwc collector universe; shared search intent: ingenieur, iwc.", "listing_stats": {"count": 12, "median": 6325.0, "low": 3000.0, "high": 18000.0, "brands": 1, "merchants": 4}, "top_listing": {"id": "h_16292299047257", "title": "IWC IWC Ingenieur Automatic SL Khanjar Dial ref 3505 Steel and Gold Execution", "brand": "IWC", "model": "IWC Ingenieur Automatic SL Khanjar Dial ref 3505 Steel and Gold Execution", "reference": "3505", "price_usd": 10250.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "Stainless Steel", "case_size_mm": 40.0, "movement": "Automatic", "complications": [], "merchant_slug": "bulang-and-sons", "merchant_name": "Bulang & Sons", "image_url": "https://cdn.shopify.com/s/files/1/0961/8613/8969/files/W-3752IWCIngenieurAutomaticSLKhanjardial_283_1x1_38b36e15-b18c-46b8-b1f1-017a8a7f92ce.jpg?v=1778224443", "detail_url": "https://mostexpensivewatches.net/listing/h_16292299047257", "buy_url": "https://mostexpensivewatches.net/out/h_16292299047257", "available": true}, "auction_comp_count": 2, "review_url": "https://mostexpensivewatches.net/it/review/iwc-1832", "alternatives_url": "https://mostexpensivewatches.net/it/alternatives/iwc-1832"}, {"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/it/review/iwc-431", "alternatives_url": "https://mostexpensivewatches.net/it/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/it/review/iwc-iw502709", "alternatives_url": "https://mostexpensivewatches.net/it/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/it/review/iwc-iw500912", "alternatives_url": "https://mostexpensivewatches.net/it/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/it/review/iwc-iw501002", "alternatives_url": "https://mostexpensivewatches.net/it/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/it/review/iwc-iw502704", "alternatives_url": "https://mostexpensivewatches.net/it/alternatives/iwc-iw502704"}, {"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": 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/it/review/iwc-iw502801", "alternatives_url": "https://mostexpensivewatches.net/it/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": 11, "why_compare": "Same iwc collector universe; shared search intent: iwc.", "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/it/review/iwc-iw500402", "alternatives_url": "https://mostexpensivewatches.net/it/alternatives/iwc-iw500402"}, {"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/it/review/iwc-iw503607", "alternatives_url": "https://mostexpensivewatches.net/it/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/it/review/iwc-iw501004", "alternatives_url": "https://mostexpensivewatches.net/it/alternatives/iwc-iw501004"}]}