{"reference": {"slug": "iwc-3750", "brand": "IWC", "ref": "3750", "model": "Da Vinci Perpetual Calendar", "case_material": "18k Yellow Gold", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/iwc-3750", "description": "The IWC Da Vinci Perpetual Calendar reference 3750 was produced from 1985 through the early 2000s. Collectors value this reference for introducing the caliber 7906, a movement based on the Valjoux 7750 featuring a perpetual calendar module designed by Kurt Klaus. This module allows all calendar indications, including the four-digit year display and moon phase, to be synchronized and adjusted solely via the crown. The 39mm 18k yellow gold case is characterized by its stepped bezel and hinged lugs. On the secondary market, this reference typically trades between $10,000 and $15,000 depending on condition and the presence of original accessories. A notable production detail is the inclusion of a sealed glass vial containing a century slide for the year display, intended for installation in the year 2200 to ensure the watch remains functional for five centuries."}, "lang": "pt", "url": "https://mostexpensivewatches.net/pt/alternatives/iwc-3750", "reference_url": "https://mostexpensivewatches.net/pt/reference/iwc-3750", "review_url": "https://mostexpensivewatches.net/pt/review/iwc-3750", "listing_stats": {"count": 2, "median": 12200.0, "low": 8900.0, "high": 15500.0, "brands": 1, "merchants": 2}, "auction_comp_count": 1, "alternatives": [{"reference": {"slug": "iwc-iw5022-18", "brand": "IWC", "ref": "IW5022-18", "model": "Portugieser Perpetual Calendar", "case_material": "18k White Gold", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/iwc-iw5022-18", "description": "The IWC Portugieser Perpetual Calendar reference IW5022-18 was produced between approximately 2006 and 2010. This reference is valued by collectors for its 42.3mm 18k white gold case and the caliber 51613 movement, which features Kurt Klaus’s synchronized calendar module and a seven-day power reserve. Unlike later 44mm versions, the IW5022 maintains a more traditional diameter and utilizes a single moon phase display at 12 o’clock rather than the double hemisphere moon. The dial is finished in Ardoise grey with applied Arabic numerals. On the secondary market, this reference typically trades between $18,000 and $24,000 depending on condition and the presence of original documentation. A notable production detail is that this reference belongs to the first generation of Portugieser Perpetual Calendars to transition from the earlier 40mm 3541 reference to the modern Pellaton-winding manufacture movements."}, "score": 24, "why_compare": "Same iwc collector universe; shared search intent: 18k, calendar; 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/pt/review/iwc-iw5022-18", "alternatives_url": "https://mostexpensivewatches.net/pt/alternatives/iwc-iw5022-18"}, {"reference": {"slug": "iwc-3751", "brand": "IWC", "ref": "3751", "model": "Da Vinci Rattrapante", "case_material": "18k Yellow Gold", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/iwc-3751", "description": "The IWC Da Vinci Rattrapante reference 3751 was produced from approximately 1995 through the early 2000s and is no longer in production. Collectors value this reference for its integration of a perpetual calendar and a split-seconds chronograph within a 39mm 18k yellow gold case featuring hinged lugs. It utilizes the caliber 79251, which is based on a Valjoux 7750 modified with Richard Habring’s simplified rattrapante module and Kurt Klaus’s synchronized calendar system. The dial includes a four-digit year indicator, a moon phase, and four sub-dials. On the secondary market, this reference typically trades between $12,000 and $18,000 depending on the presence of the original box and papers. A notable production detail is that the perpetual calendar is programmed to function until 2499, though the century slide must be replaced by a watchmaker when the year 2100 arrives."}, "score": 20, "why_compare": "Same iwc 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": 1, "review_url": "https://mostexpensivewatches.net/pt/review/iwc-3751", "alternatives_url": "https://mostexpensivewatches.net/pt/alternatives/iwc-3751"}, {"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": 20, "why_compare": "Same iwc collector universe; shared search intent: 18k, gold; similar gold case profile.", "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/pt/review/iwc-9225", "alternatives_url": "https://mostexpensivewatches.net/pt/alternatives/iwc-9225"}, {"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": 19, "why_compare": "Same iwc collector universe; shared search intent: calendar, iwc.", "listing_stats": {"count": 0, "median": 0, "low": 0, "high": 0}, "top_listing": null, "auction_comp_count": 2, "review_url": "https://mostexpensivewatches.net/pt/review/iwc-iw5036-05", "alternatives_url": "https://mostexpensivewatches.net/pt/alternatives/iwc-iw5036-05"}, {"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": 18, "why_compare": "Same iwc collector universe; shared search intent: 18k, gold; similar gold case profile.", "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/pt/review/iwc-iw502709", "alternatives_url": "https://mostexpensivewatches.net/pt/alternatives/iwc-iw502709"}, {"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": 18, "why_compare": "Same iwc collector universe; shared search intent: 18k, gold; similar gold case profile.", "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/pt/review/iwc-iw502704", "alternatives_url": "https://mostexpensivewatches.net/pt/alternatives/iwc-iw502704"}, {"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": 18, "why_compare": "Same iwc 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": 3, "review_url": "https://mostexpensivewatches.net/pt/review/iwc-3770-25", "alternatives_url": "https://mostexpensivewatches.net/pt/alternatives/iwc-3770-25"}, {"reference": {"slug": "iwc-1868", "brand": "IWC", "ref": "1868", "model": "Il Destriero Scafusia", "case_material": "18k White Gold", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/iwc-1868", "description": "The IWC Il Destriero Scafusia reference 1868 was produced between 1993 and 1999 to commemorate the brand’s 125th anniversary. Limited to 125 pieces in each metal, the white gold variant is valued for housing the manual-wind caliber 18680, which integrates 22 complications. These include a flying tourbillon, a perpetual calendar with a four-digit year display, a split-seconds chronograph, and a minute repeater. The 42mm case features a hunter-style caseback that opens to reveal the movement, which is hand-engraved and skeletonized. Collectors prioritize this reference as the most complex wristwatch produced by IWC during the mechanical revival era. 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 provenance. A notable production detail is that the movement was based on a heavily modified Valjoux 7750 architecture, re-engineered by Richard Habring and Kurt Klaus."}, "score": 18, "why_compare": "Same iwc 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/pt/review/iwc-1868", "alternatives_url": "https://mostexpensivewatches.net/pt/alternatives/iwc-1868"}, {"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": 17, "why_compare": "Same iwc collector universe; shared search intent: iwc, perpetual.", "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/pt/review/iwc-iw500402", "alternatives_url": "https://mostexpensivewatches.net/pt/alternatives/iwc-iw500402"}, {"reference": {"slug": "audemars-piguet-26394or-code-11-59-perpetual-calendar", "brand": "Audemars Piguet", "ref": "26394OR.OO.D321CR.01", "model": "Code 11.59 Perpetual Calendar", "case_material": "18k Pink Gold", "url": "https://mostexpensivewatches.net/reference/audemars-piguet-26394or-code-11-59-perpetual-calendar", "description": "The Audemars Piguet Code 11.59 Perpetual Calendar reference 26394OR.OO.D321CR.01 was introduced in 2019 as part of the collection's initial launch and remains in the current catalog. This reference features an 18k pink gold case with a complex three-piece architecture, including an octagonal middle section and hollowed lugs. Collectors focus on the aventurine glass dial, which mimics a starry night sky and includes a photorealistic moon phase at 6 o’clock. It is powered by the self-winding Calibre 5134, an ultra-thin movement measuring 4.31mm in thickness that provides a 40-hour power reserve and displays the week of the year via a dedicated central hand. On the secondary market, this model typically trades in the $75,000 to $95,000 range. A notable production detail is that the aventurine dial requires a specific manufacturing process where copper inclusions are infused into glass to create the reflective effect."}, "score": 15, "why_compare": "Shared search intent: 18k, calendar; similar gold case profile.", "listing_stats": {"count": 11, "median": 98500.0, "low": 15900.0, "high": 275000.0, "brands": 1, "merchants": 4}, "top_listing": {"id": "h_7739650343121", "title": "Audemars Piguet Audemars Piguet Royal Oak Perpetual Calendar 25810OR.OO.0944OR.01", "brand": "Audemars Piguet", "model": "Audemars Piguet Royal Oak Perpetual Calendar 25810OR.OO.0944OR.01", "reference": "0944OR.01", "price_usd": 245000.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "18k Rose Gold", "case_size_mm": 39.0, "movement": "Automatic", "complications": ["Perpetual Calendar"], "merchant_slug": "material-good", "merchant_name": "Material Good", "image_url": "https://cdn.shopify.com/s/files/1/0561/5190/0369/files/Audemars_Piguet_Royal_Oak_Perpetual_Calendar_25810OR.OO.0944.01.jpg?v=1777670209", "detail_url": "https://mostexpensivewatches.net/listing/h_7739650343121", "buy_url": "https://mostexpensivewatches.net/out/h_7739650343121", "available": true}, "auction_comp_count": 0, "review_url": "https://mostexpensivewatches.net/pt/review/audemars-piguet-26394or-code-11-59-perpetual-calendar", "alternatives_url": "https://mostexpensivewatches.net/pt/alternatives/audemars-piguet-26394or-code-11-59-perpetual-calendar"}, {"reference": {"slug": "audemars-piguet-5516", "brand": "Audemars Piguet", "ref": "5516", "model": "Perpetual Calendar with Leap Year Indication", "case_material": "18k Yellow Gold", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/audemars-piguet-5516", "description": "Audemars Piguet produced the reference 5516 between 1955 and 1957, with a total production of only 12 units. This reference is historically significant as the first perpetual calendar wristwatch to feature a leap year indicator on the dial. The 36.5mm 18k yellow gold case houses the caliber 13VZSSQP, a manual-wind movement based on a Valjoux ebauche. Collectors distinguish between two primary dial configurations: the first three pieces featured the moon phase at 12 o’clock, while the subsequent nine units placed the moon phase at 6 o’clock with the leap year cycle at 12 o’clock. Due to its extreme rarity and technical importance, the reference 5516 commands prices in the high-six-figure to low-seven-figure range. A notable example sold at auction in 2015 for over $540,000, though current market valuations for well-preserved specimens often exceed $1,000,000."}, "score": 15, "why_compare": "Shared search intent: 18k, calendar; 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/pt/review/audemars-piguet-5516", "alternatives_url": "https://mostexpensivewatches.net/pt/alternatives/audemars-piguet-5516"}, {"reference": {"slug": "audemars-piguet-25654ba", "brand": "Audemars Piguet", "ref": "25654BA", "model": "Royal Oak Perpetual Calendar", "case_material": "18k Yellow Gold", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/audemars-piguet-25654ba", "description": "Produced between 1982 and 1993, the Audemars Piguet Royal Oak Perpetual Calendar reference 25654BA represents an early evolution of the ultra-thin perpetual calendar complication within the Royal Oak line. Collectors prioritize this reference for its 39mm \"Jumbo\" case proportions and the caliber 2120/2800, a movement derived from a Jaeger-LeCoultre base that allowed for a case thickness of approximately 8.2mm. Unlike modern iterations, the 25654BA lacks a leap year indicator on the dial, a characteristic of early AP perpetual calendars. Approximately 422 units were manufactured in 18k yellow gold. On the secondary market, these timepieces typically trade in the $100,000 to $160,000 range depending on the presence of original paperwork and dial condition. A notable variant includes the \"Yves Klein\" electric blue smooth dial, which commands a significant premium over the standard champagne or white tapisserie versions at international auctions."}, "score": 15, "why_compare": "Shared search intent: 18k, calendar; similar gold case profile.", "listing_stats": {"count": 6, "median": 147500.0, "low": 92000.0, "high": 275000.0, "brands": 1, "merchants": 3}, "top_listing": {"id": "h_7739650343121", "title": "Audemars Piguet Audemars Piguet Royal Oak Perpetual Calendar 25810OR.OO.0944OR.01", "brand": "Audemars Piguet", "model": "Audemars Piguet Royal Oak Perpetual Calendar 25810OR.OO.0944OR.01", "reference": "0944OR.01", "price_usd": 245000.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "18k Rose Gold", "case_size_mm": 39.0, "movement": "Automatic", "complications": ["Perpetual Calendar"], "merchant_slug": "material-good", "merchant_name": "Material Good", "image_url": "https://cdn.shopify.com/s/files/1/0561/5190/0369/files/Audemars_Piguet_Royal_Oak_Perpetual_Calendar_25810OR.OO.0944.01.jpg?v=1777670209", "detail_url": "https://mostexpensivewatches.net/listing/h_7739650343121", "buy_url": "https://mostexpensivewatches.net/out/h_7739650343121", "available": true}, "auction_comp_count": 1, "review_url": "https://mostexpensivewatches.net/pt/review/audemars-piguet-25654ba", "alternatives_url": "https://mostexpensivewatches.net/pt/alternatives/audemars-piguet-25654ba"}]}