{"listing": {"id": "h_6865535926347", "title": "IWC IWC Pilot Mark XVIII IW3270-01", "brand": "IWC", "model": "IWC Pilot Mark XVIII IW3270-01", "reference": "IW3270", "price_usd": 3875.0, "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-Pilot-Mark-XVIII-IW3270-01-10-10-IWC-F2X3VS-0d500c10481b_42e203c1-5180-4576-9df8-10e603146ff2.jpg?v=1698081955", "detail_url": "https://mostexpensivewatches.net/listing/h_6865535926347", "buy_url": "https://mostexpensivewatches.net/out/h_6865535926347", "available": false}, "lang": "en", "url": "https://mostexpensivewatches.net/listing/h_6865535926347", "alternatives_url": "https://mostexpensivewatches.net/api/v1/listing/h_6865535926347/alternatives", "lower_priced": [], "similar_listings": [], "cohort": {"count": 3, "median": 3875.0, "low": 3875.0, "high": 4200.0, "brands": 1, "merchants": 1, "listing_price": 3875.0, "position": "lowest", "delta_vs_median_pct": 0.0}, "reference": {"slug": "iwc-iw327007", "ref": "IW327007", "brand": "IWC", "model": "Pilot Tribute to Mark XI'", "url": "https://mostexpensivewatches.net/reference/iwc-iw327007", "alternatives_url": "https://mostexpensivewatches.net/api/alternatives/iwc-iw327007"}, "cross_reference_alternatives": [{"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": 20, "why_compare": "Same iwc collector universe; shared search intent: iwc, pilot; similar steel case profile.", "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/review/iwc-iw500912", "alternatives_url": "https://mostexpensivewatches.net/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": 20, "why_compare": "Same iwc collector universe; shared search intent: iwc, pilot; similar steel case profile.", "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/review/iwc-iw501002", "alternatives_url": "https://mostexpensivewatches.net/alternatives/iwc-iw501002"}, {"reference": {"slug": "iwc-iw5036-05", "brand": "IWC", "ref": "IW5036-05", "model": "Big Pilot's Watch Perpetual Calendar", "case_material": "Stainless Steel", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/iwc-iw5036-05", "description": "The IWC Big Pilot’s Watch Perpetual Calendar reference IW5036-05 was introduced in 2021 as a core collection model and remains in current production. This reference is distinguished by its combination of a 46.2mm stainless steel case and a sunray-finished blue dial, a pairing previously reserved for limited editions like the \"Le Petit Prince\" series. It utilizes the IWC-manufactured caliber 52615, an automatic movement featuring a Pellaton winding system, ceramic components, and a seven-day power reserve via twin barrels. The perpetual calendar complication, originally engineered by Kurt Klaus, displays the date, day, month, and year in four digits, alongside a double moon phase for both hemispheres. On the secondary market, this reference typically trades between $22,000 and $28,000. While not a limited production, it represents the first time this specific blue and steel configuration entered the permanent Big Pilot catalog without boutique-exclusive branding."}, "score": 20, "why_compare": "Same iwc collector universe; shared search intent: iwc, pilot; similar steel case profile.", "listing_stats": {"count": 0, "median": 0, "low": 0, "high": 0}, "top_listing": null, "auction_comp_count": 2, "review_url": "https://mostexpensivewatches.net/review/iwc-iw5036-05", "alternatives_url": "https://mostexpensivewatches.net/alternatives/iwc-iw5036-05"}, {"reference": {"slug": "iwc-6b", "brand": "IWC", "ref": "6B", "model": "Mark XI", "case_material": "Stainless Steel", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/iwc-6b", "description": "The IWC Mark XI 6B/346 was produced from 1948 until the early 1980s, primarily serving as a navigation timepiece for the British Royal Air Force. Collectors value this reference for its chronometer-grade Calibre 89 manual-wind movement, which features a hacking seconds function and a soft-iron inner cage for magnetic resistance. The 36mm stainless steel case houses a matte black dial characterized by a white outer minute track and the \"Broad Arrow\" military mark. Early versions featured radium luminous material, later replaced by tritium, denoted by a circled \"T\" on the dial. On the secondary market, these watches typically trade between $7,000 and $12,000 depending on provenance and military markings. A notable variant is the \"White 12\" dial, an early production run featuring a luminous numeral at the twelve o'clock position instead of the standard triangle, which commands a significant premium at auction."}, "score": 20, "why_compare": "Same iwc collector universe; shared search intent: iwc, mark; similar steel case profile.", "listing_stats": {"count": 143, "median": 5400.0, "low": 3000.0, "high": 45000.0, "brands": 1, "merchants": 5}, "top_listing": {"id": "h_7504443965527", "title": "IWC IWC Aquatimer 'Super Compressor'", "brand": "IWC", "model": "IWC Aquatimer 'Super Compressor'", "reference": "40970130", "price_usd": 16500.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "Grade 5 Titanium", "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/AS10976_40970130_IWC_AQUATIMER_812-6.jpg?v=1762720382", "detail_url": "https://mostexpensivewatches.net/listing/h_7504443965527", "buy_url": "https://mostexpensivewatches.net/out/h_7504443965527", "available": true}, "auction_comp_count": 2, "review_url": "https://mostexpensivewatches.net/review/iwc-6b", "alternatives_url": "https://mostexpensivewatches.net/alternatives/iwc-6b"}, {"reference": {"slug": "iwc-iw3881-02", "brand": "IWC", "ref": "IW3881-02", "model": "Pilot's Watch Chronograph 41", "case_material": "Stainless Steel", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/iwc-iw3881-02", "description": "The IWC Pilot's Watch Chronograph 41 reference IW3881-02 was introduced in 2021 and remains in current production. This reference is distinguished by its 41mm stainless steel case, a reduction from the previous 43mm standard, and its blue sunray dial with a day-date complication. Collectors value this model for the integration of the IWC-manufactured caliber 69385, a column-wheel chronograph movement visible through a sapphire crystal caseback, marking a shift from the third-party movements used in earlier iterations. The watch features the EasX-CHANGE system for tool-free strap replacement and a water resistance rating of 10 bar. On the secondary market, this reference typically trades between $5,500 and $7,000 depending on condition and completeness. A notable production detail is the inclusion of a stainless steel bracelet with a fine-adjustment clasp, which differentiates it from the leather-strap variant, reference IW3881-01, despite sharing identical technical specifications."}, "score": 20, "why_compare": "Same iwc collector universe; shared search intent: iwc, pilot; similar steel case profile.", "listing_stats": {"count": 5, "median": 5750.0, "low": 4025.0, "high": 6500.0, "brands": 1, "merchants": 2}, "top_listing": {"id": "h_7016094761047", "title": "IWC IWC X Collective Horology Pilot's Watch Chronograph C.03", "brand": "IWC", "model": "IWC X Collective Horology Pilot's Watch Chronograph C.03", "reference": "40970117", "price_usd": 6500.0, "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": "analog-shift", "merchant_name": "Analog/Shift", "image_url": "https://cdn.shopify.com/s/files/1/0809/1255/files/AS09474_40970117_IWC_PILOT_SWATCHCHRONOGRAPH41_IW388105-6.jpg?v=1710340294", "detail_url": "https://mostexpensivewatches.net/listing/h_7016094761047", "buy_url": "https://mostexpensivewatches.net/out/h_7016094761047", "available": false}, "auction_comp_count": 1, "review_url": "https://mostexpensivewatches.net/review/iwc-iw3881-02", "alternatives_url": "https://mostexpensivewatches.net/alternatives/iwc-iw3881-02"}, {"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": 18, "why_compare": "Same iwc collector universe; shared search intent: iwc, stainless; similar steel case profile.", "listing_stats": {"count": 0, "median": 0, "low": 0, "high": 0}, "top_listing": null, "auction_comp_count": 1, "review_url": "https://mostexpensivewatches.net/review/iwc-431", "alternatives_url": "https://mostexpensivewatches.net/alternatives/iwc-431"}]}