{"reference": {"slug": "patek-philippe-5068r", "brand": "Patek Philippe", "ref": "5068R", "model": "Aquanaut Luce Rainbow", "case_material": "18k Rose Gold", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/patek-philippe-5068r", "description": "The Patek Philippe Aquanaut Luce Rainbow reference 5068R-001 was produced between approximately 2010 and 2018. This 35.6mm 18k rose gold timepiece is valued for its factory gem-setting, featuring a bezel set with 40 baguette-cut diamonds and 40 sapphires in a multi-color gradient. It utilizes the self-winding Caliber 324 S C, a movement also found in larger Nautilus and Aquanaut models, providing a 45-hour power reserve and a date complication. The dial features the embossed Aquanaut pattern in white with applied gold numerals. On the secondary market, this reference typically trades in the mid-to-high six-figure range, often exceeding $250,000 depending on condition and the presence of original documentation. While the 5068R was marketed as a ladies' model, its mechanical movement and 35.6mm diameter have led to increased crossover interest among collectors of mid-sized sports watches."}, "lang": "en", "url": "https://mostexpensivewatches.net/alternatives/patek-philippe-5068r", "reference_url": "https://mostexpensivewatches.net/reference/patek-philippe-5068r", "review_url": "https://mostexpensivewatches.net/review/patek-philippe-5068r", "listing_stats": {"count": 0, "median": 0, "low": 0, "high": 0}, "auction_comp_count": 1, "alternatives": [{"reference": {"slug": "patek-philippe-aquanaut-5168g", "brand": "Patek Philippe", "ref": "5168G", "model": "Aquanaut Jumbo", "case_material": "18k White Gold", "url": "https://mostexpensivewatches.net/reference/patek-philippe-aquanaut-5168g", "description": "The Patek Philippe Aquanaut Jumbo reference 5168G was introduced in 2017 to commemorate the collection's 20th anniversary and remains in current production. This reference is distinguished by its 42.2mm case diameter, an increase from the standard 40.8mm 5167 series, and its construction in 18k white gold. It features the self-winding Caliber 26-330 S C (formerly Caliber 324 S C) and a gradient embossed dial, available in midnight blue or khaki green with matching composite straps. Collectors value the 5168G for its modern proportions and its status as the first \"Jumbo\" Aquanaut in precious metal. On the secondary market, prices typically range from $65,000 to $95,000 depending on the dial color and condition. The khaki green variant, released in 2019, often commands a premium over the blue version due to its distinct aesthetic and lower relative supply in the pre-owned market."}, "score": 24, "why_compare": "Same patek philippe collector universe; shared search intent: 18k, aquanaut; similar gold case profile.", "listing_stats": {"count": 6, "median": 40250.0, "low": 29500.0, "high": 97500.0, "brands": 1, "merchants": 3}, "top_listing": {"id": "h_7030056452305", "title": "Patek Philippe Aquanaut 5168G-001", "brand": "Patek Philippe", "model": "Aquanaut 5168G-001", "reference": "5168G-001", "price_usd": 97500.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "18k White Gold", "case_size_mm": 42.2, "movement": "Automatic", "complications": [], "merchant_slug": "material-good", "merchant_name": "Material Good", "image_url": "https://cdn.shopify.com/s/files/1/0561/5190/0369/products/PATEKAQUANAUTWHITEGOLDBLUEDIAL42MM0621_1.jpg?v=1655739651", "detail_url": "https://mostexpensivewatches.net/listing/h_7030056452305", "buy_url": "https://mostexpensivewatches.net/out/h_7030056452305", "available": true}, "auction_comp_count": 0, "review_url": "https://mostexpensivewatches.net/review/patek-philippe-aquanaut-5168g", "alternatives_url": "https://mostexpensivewatches.net/alternatives/patek-philippe-aquanaut-5168g"}, {"reference": {"slug": "patek-philippe-5164r-001", "brand": "Patek Philippe", "ref": "5164R-001", "model": "Aquanaut Travel Time", "case_material": "18k Rose Gold", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/patek-philippe-5164r-001", "description": "The Patek Philippe Aquanaut Travel Time 5164R-001 in 18k rose gold was introduced in 2016 and remains in current production. Collectors prioritize this reference for its integration of the caliber 324 S C FUS, a self-winding movement featuring a dual time zone mechanism operated by two pushers on the left side of the 40.8mm case. The dial features a brown embossed pattern with gold applied numerals and two aperture-style day/night indicators. This model is noted for being the first precious metal execution of the modern Aquanaut complication, bridging the gap between sports utility and luxury dress aesthetics. On the secondary market, prices typically fluctuate within the low-to-mid six-figure range, often between $150,000 and $190,000 depending on condition and provenance. While the steel 5164A preceded it, the 5164R is produced in lower annual volumes, maintaining high demand among brand loyalists."}, "score": 24, "why_compare": "Same patek philippe collector universe; shared search intent: 18k, aquanaut; similar gold case profile.", "listing_stats": {"count": 6, "median": 101725.0, "low": 55500.0, "high": 114500.0, "brands": 1, "merchants": 3}, "top_listing": {"id": "h_7694336721105", "title": "Patek Philippe Patek Philippe Aquanaut Travel Time 5164A-001", "brand": "Patek Philippe", "model": "Patek Philippe Aquanaut Travel Time 5164A-001", "reference": "5164A-001", "price_usd": 98500.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "Stainless Steel", "case_size_mm": 40.8, "movement": "Automatic", "complications": [], "merchant_slug": "material-good", "merchant_name": "Material Good", "image_url": "https://cdn.shopify.com/s/files/1/0561/5190/0369/files/Patek_Philippe_Aquanaut_Travel_Time_5164A-001.jpg?v=1777668318", "detail_url": "https://mostexpensivewatches.net/listing/h_7694336721105", "buy_url": "https://mostexpensivewatches.net/out/h_7694336721105", "available": true}, "auction_comp_count": 1, "review_url": "https://mostexpensivewatches.net/review/patek-philippe-5164r-001", "alternatives_url": "https://mostexpensivewatches.net/alternatives/patek-philippe-5164r-001"}, {"reference": {"slug": "patek-philippe-5101g", "brand": "Patek Philippe", "ref": "5101G", "model": "10-Day Tourbillon", "case_material": "18k White Gold", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/patek-philippe-5101g", "description": "The Patek Philippe Reference 5101G was produced between approximately 2007 and 2012, following the initial 2003 release of the platinum version. This reference is valued for its rectangular Art Deco-inspired Tonda case crafted in 18k white gold, featuring triple-stepped flanks and a sapphire crystal caseback. It houses the manual-wind Caliber TO 28-20 REC 10J PS IRM, which integrates a one-minute tourbillon with two mainspring barrels providing a 240-hour power reserve. The dial is finished in blue with applied Breguet numerals and includes a power reserve indicator at 12 o’clock and sub-seconds at 6 o’clock. On the secondary market, the 5101G typically trades in the low-to-mid six-figure range, often between $130,000 and $180,000 depending on provenance. While the platinum 5101P is more common, the 5101G represents a smaller production run, making it a rarer find for collectors of high-complication Patek Philippe form watches."}, "score": 20, "why_compare": "Same patek philippe 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/review/patek-philippe-5101g", "alternatives_url": "https://mostexpensivewatches.net/alternatives/patek-philippe-5101g"}, {"reference": {"slug": "patek-philippe-calatrava-5196", "brand": "Patek Philippe", "ref": "5196", "model": "Calatrava", "case_material": "18k Yellow Gold", "url": "https://mostexpensivewatches.net/reference/patek-philippe-calatrava-5196", "description": "The Patek Philippe Calatrava reference 5196J in 18k yellow gold was produced from 2004 until its discontinuation in 2022. Collectors value this reference for its direct lineage to the 1932 reference 96, maintaining the signature flat bezel, integrated lugs, and 37mm case diameter that modernized the classic dress watch proportions. It features a solid caseback concealing the manual-wind Caliber 215 PS, a movement known for its slim profile and Gyromax balance. The dial utilizes applied gold baton markers and a sub-seconds register at six o'clock. On the secondary market, the 5196J typically trades between $18,000 and $24,000 depending on condition and the inclusion of original paperwork. While the yellow gold is the most traditional iteration, the reference was also produced in rose gold, white gold, and a platinum version featuring Breguet numerals and a two-tone sector dial."}, "score": 20, "why_compare": "Same patek philippe collector universe; shared search intent: 18k, gold; similar gold case profile.", "listing_stats": {"count": 256, "median": 26500.0, "low": 5150.0, "high": 155000.0, "brands": 1, "merchants": 5}, "top_listing": {"id": "h_7308331810903", "title": "Patek Philippe Patek Philippe Calatrava Cloisonné 'Iris & Night Fireflies'", "brand": "Patek Philippe", "model": "Patek Philippe Calatrava Cloisonné 'Iris & Night Fireflies'", "reference": "40930534", "price_usd": 129850.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "Stainless Steel", "case_size_mm": 40.0, "movement": "Automatic", "complications": [], "merchant_slug": "analog-shift", "merchant_name": "Analog/Shift", "image_url": "https://cdn.shopify.com/s/files/1/0809/1255/files/AS10160_40930534_PATEKPHILIPPE_CALATRAVA_IRIS_NIGHTFIREFLIES__5077P-087-6.jpg?v=1730513754", "detail_url": "https://mostexpensivewatches.net/listing/h_7308331810903", "buy_url": "https://mostexpensivewatches.net/out/h_7308331810903", "available": true}, "auction_comp_count": 0, "review_url": "https://mostexpensivewatches.net/review/patek-philippe-calatrava-5196", "alternatives_url": "https://mostexpensivewatches.net/alternatives/patek-philippe-calatrava-5196"}, {"reference": {"slug": "patek-philippe-7234g-calatrava-pilot-travel-time", "brand": "Patek Philippe", "ref": "7234G-001", "model": "Calatrava Pilot Travel Time", "case_material": "18k White Gold", "url": "https://mostexpensivewatches.net/reference/patek-philippe-7234g-calatrava-pilot-travel-time", "description": "The Patek Philippe Calatrava Pilot Travel Time 7234G-001 was introduced in 2020 as a white gold mid-size addition to the pilot collection, following the 2018 rose gold version. This reference features a 37.5mm case, making it a smaller alternative to the 42mm 5524G. It utilizes the self-winding Caliber 324 S C FUS, which incorporates a dual-time zone mechanism with two central hour hands and day/night indicators for both local and home time. The dial is finished in navy blue lacquer with applied gold numerals coated in Super-LumiNova. Collectors monitor this reference for its wearable dimensions and its role in Patek Philippe’s modern expansion into tool-watch aesthetics. On the secondary market, the 7234G-001 typically trades between $30,000 and $38,000. While the 7234G remains a staple of the contemporary catalog, its production volume is lower than the standard Calatrava dress models."}, "score": 20, "why_compare": "Same patek philippe collector universe; shared search intent: 18k, gold; similar gold case profile.", "listing_stats": {"count": 10, "median": 48500.0, "low": 42450.0, "high": 89500.0, "brands": 1, "merchants": 2}, "top_listing": {"id": "h_7497919725655", "title": "Patek Philippe Patek Philippe Calatrava Pilot Travel Time Flyback Chronograph", "brand": "Patek Philippe", "model": "Patek Philippe Calatrava Pilot Travel Time Flyback Chronograph", "reference": "40930861", "price_usd": 89500.0, "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/AS11407_40930861_PATEKPHILIPPE_PILOTTRAVELTIMECHRONO_5924G-010-6.jpg?v=1762461016", "detail_url": "https://mostexpensivewatches.net/listing/h_7497919725655", "buy_url": "https://mostexpensivewatches.net/out/h_7497919725655", "available": true}, "auction_comp_count": 0, "review_url": "https://mostexpensivewatches.net/review/patek-philippe-7234g-calatrava-pilot-travel-time", "alternatives_url": "https://mostexpensivewatches.net/alternatives/patek-philippe-7234g-calatrava-pilot-travel-time"}, {"reference": {"slug": "patek-philippe-1463j", "brand": "Patek Philippe", "ref": "1463J", "model": "Chronograph 1463", "case_material": "18k Yellow Gold", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/patek-philippe-1463j", "description": "The Patek Philippe reference 1463 was produced from approximately 1940 until the mid-1960s. It represents the brand’s first water-resistant chronograph featuring a screw-down case back and round pump pushers, distinguishing it from earlier snap-back models. The 1463J variant is cased in 18k yellow gold and typically houses the manual-wind Caliber 13-130, a movement based on a Valjoux ebauche. Collectors prioritize this reference for its 35mm \"Tasti Tondi\" case design, characterized by sunburst-patterned pusher caps. While total production across all metals is estimated at roughly 750 units, the yellow gold version is the most common. On the secondary market, prices generally range from $150,000 to over $250,000 depending on dial configuration and case condition. Notable examples include those retailed by Tiffany & Co. or Serpico y Laino, which command significant premiums at auction due to their double-signed dials."}, "score": 20, "why_compare": "Same patek philippe collector universe; shared search intent: 18k, gold; similar gold case profile.", "listing_stats": {"count": 62, "median": 79500.0, "low": 39500.0, "high": 345000.0, "brands": 1, "merchants": 4}, "top_listing": {"id": "h_7447778787415", "title": "Patek Philippe Patek Philippe Chronograph", "brand": "Patek Philippe", "model": "Patek Philippe Chronograph", "reference": "40930708", "price_usd": 194950.0, "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/AS10810_40930708_PATEKPHILIPPE_COMPLICATIONS_5070P-001-5.jpg?v=1758041287", "detail_url": "https://mostexpensivewatches.net/listing/h_7447778787415", "buy_url": "https://mostexpensivewatches.net/out/h_7447778787415", "available": true}, "auction_comp_count": 1, "review_url": "https://mostexpensivewatches.net/review/patek-philippe-1463j", "alternatives_url": "https://mostexpensivewatches.net/alternatives/patek-philippe-1463j"}, {"reference": {"slug": "patek-philippe-5013r", "brand": "Patek Philippe", "ref": "5013R", "model": "Minute Repeating Perpetual Calendar", "case_material": "18k Pink Gold", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/patek-philippe-5013r", "description": "The Patek Philippe Reference 5013R was produced between 1992 and 2010, representing one of the brand's most complex watches prior to the release of the Sky Moon Tourbillon. This reference is distinguished by its tonneau-shaped 18k pink gold case and a movement comprised of 515 parts. It features the self-winding Caliber R 27 PS QR, which integrates a minute repeater, a perpetual calendar with a retrograde date hand, and a moon phase indicator. Collectors value the 5013R for its specific combination of a shaped case and a high-complication automatic movement, a rarity in Patek Philippe’s historical catalog. On the secondary market, this reference typically commands prices between $450,000 and $650,000 depending on provenance and condition. A notable production detail is that while most examples feature a silvered dial, a limited number were produced with black dials, which often realize higher premiums at international auction houses."}, "score": 20, "why_compare": "Same patek philippe 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/review/patek-philippe-5013r", "alternatives_url": "https://mostexpensivewatches.net/alternatives/patek-philippe-5013r"}, {"reference": {"slug": "patek-philippe-5740-1g-nautilus-perpetual-calendar", "brand": "Patek Philippe", "ref": "5740/1G-001", "model": "Nautilus Perpetual Calendar", "case_material": "18k White Gold", "url": "https://mostexpensivewatches.net/reference/patek-philippe-5740-1g-nautilus-perpetual-calendar", "description": "The Patek Philippe Nautilus Perpetual Calendar 5740/1G-001 was introduced in 2018 as the first grand complication in the Nautilus collection and remains in current production. It features a 40mm case and integrated bracelet crafted from 18k white gold, housing the ultra-thin self-winding caliber 240 Q. This movement allows the case to maintain a profile of 8.42mm, making it the thinnest perpetual calendar in the brand's catalog. The dial is finished in blue sunburst with horizontal embossing and features three sub-dials indicating the day, date, month, leap year, 24-hour cycle, and moon phases. On the secondary market, this reference typically commands prices in the mid-to-high six-figure range, often fluctuating between $210,000 and $260,000 depending on condition and provenance. A notable production detail is the inclusion of the fold-over clasp with four independent catches for improved security compared to earlier Nautilus iterations."}, "score": 20, "why_compare": "Same patek philippe collector universe; shared search intent: 18k, gold; similar gold case profile.", "listing_stats": {"count": 1, "median": 260000.0, "low": 260000.0, "high": 260000.0, "brands": 1, "merchants": 1}, "top_listing": {"id": "h_6861942915281", "title": "Patek Philippe Patek Philippe Nautilus 5740/1G-001", "brand": "Patek Philippe", "model": "Patek Philippe Nautilus 5740/1G-001", "reference": "5740/1G-001", "price_usd": 260000.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "18k White Gold", "case_size_mm": 40.5, "movement": "Automatic", "complications": [], "merchant_slug": "material-good", "merchant_name": "Material Good", "image_url": "https://cdn.shopify.com/s/files/1/0561/5190/0369/files/Patek_Philippe_Nautilus_5740_1G-001.jpg?v=1777673815", "detail_url": "https://mostexpensivewatches.net/listing/h_6861942915281", "buy_url": "https://mostexpensivewatches.net/out/h_6861942915281", "available": true}, "auction_comp_count": 0, "review_url": "https://mostexpensivewatches.net/review/patek-philippe-5740-1g-nautilus-perpetual-calendar", "alternatives_url": "https://mostexpensivewatches.net/alternatives/patek-philippe-5740-1g-nautilus-perpetual-calendar"}, {"reference": {"slug": "patek-philippe-530-oversized-chronograph-rose-gold", "brand": "Patek Philippe", "ref": "530", "model": "Oversized Chronograph", "case_material": "18k Rose Gold", "url": "https://mostexpensivewatches.net/reference/patek-philippe-530-oversized-chronograph-rose-gold", "description": "Produced between 1937 and approximately 1954, the Patek Philippe Reference 530 is a manual-wind chronograph characterized by its 36.5mm case diameter, which was significantly larger than the standard 33mm Reference 130 of the same era. It utilizes the Valjoux-based caliber 13-130. Collectors value this reference for its modern proportions, concave bezel, and long, square-edged lugs. While most examples were cased in yellow gold or steel, the 18k rose gold variant is notably rarer, with approximately 30 units estimated to exist. Secondary market prices for rose gold examples typically fall within the mid-to-high six-figure range, depending on dial configuration and condition. A notable auction result occurred in 2021 when a rose gold Reference 530 with a sector dial and retailer signature sold for over 600,000 USD. The reference was eventually succeeded by the 37mm Reference 1463, which introduced a screw-down caseback."}, "score": 20, "why_compare": "Same patek philippe collector universe; shared search intent: 18k, gold; similar gold case profile.", "listing_stats": {"count": 1, "median": 29950.0, "low": 29950.0, "high": 29950.0, "brands": 1, "merchants": 1}, "top_listing": {"id": "h_7302582239319", "title": "Patek Philippe Patek Philippe Calatrava", "brand": "Patek Philippe", "model": "Patek Philippe Calatrava", "reference": "40930530", "price_usd": 29950.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "Stainless Steel", "case_size_mm": 40.0, "movement": "Automatic", "complications": [], "merchant_slug": "analog-shift", "merchant_name": "Analog/Shift", "image_url": "https://cdn.shopify.com/s/files/1/0809/1255/files/AS10145_40930530_PATEKPHILIPPE_CALATRAVA_6000R-001-7.jpg?v=1730511747", "detail_url": "https://mostexpensivewatches.net/listing/h_7302582239319", "buy_url": "https://mostexpensivewatches.net/out/h_7302582239319", "available": false}, "auction_comp_count": 3, "review_url": "https://mostexpensivewatches.net/review/patek-philippe-530-oversized-chronograph-rose-gold", "alternatives_url": "https://mostexpensivewatches.net/alternatives/patek-philippe-530-oversized-chronograph-rose-gold"}, {"reference": {"slug": "patek-philippe-5320g-perpetual-calendar-white-gold", "brand": "Patek Philippe", "ref": "5320G-001", "model": "Perpetual Calendar", "case_material": "18k White Gold", "url": "https://mostexpensivewatches.net/reference/patek-philippe-5320g-perpetual-calendar-white-gold", "description": "The Patek Philippe Perpetual Calendar 5320G-001 was introduced in 2017 and remained in production until its discontinuation in 2022. Collectors prioritize this reference for its vintage-inspired aesthetic, featuring a cream-colored lacquered dial with luminous Arabic numerals and a syringe handset. The 40mm 18k white gold case is distinguished by three-tier stepped lugs, a design element influenced by the 1950s reference 2405. It utilizes the self-winding Caliber 324 S Q, which incorporates a Gyromax balance and Spiromax hairspring. The movement provides a perpetual calendar display with day and month apertures at 12 o’clock, a moon phase and date subdial at 6 o’clock, and dedicated apertures for day/night and leap year cycles. On the secondary market, the 5320G-001 typically trades between $65,000 and $85,000. While the cream dial was the launch version, Patek Philippe released a salmon-dial variant, the 5320G-011, in 2022."}, "score": 20, "why_compare": "Same patek philippe collector universe; shared search intent: 18k, gold; similar gold case profile.", "listing_stats": {"count": 61, "median": 67770.0, "low": 33000.0, "high": 340000.0, "brands": 1, "merchants": 5}, "top_listing": {"id": "h_7477190918231", "title": "Patek Philippe Patek Philippe Perpetual Calendar", "brand": "Patek Philippe", "model": "Patek Philippe Perpetual Calendar", "reference": "40930788", "price_usd": 89950.0, "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/AS11185_40930788_PATEKPHILIPPE_PERPETUALCALENDAR_3945-1J-6.jpg?v=1759332472", "detail_url": "https://mostexpensivewatches.net/listing/h_7477190918231", "buy_url": "https://mostexpensivewatches.net/out/h_7477190918231", "available": true}, "auction_comp_count": 0, "review_url": "https://mostexpensivewatches.net/review/patek-philippe-5320g-perpetual-calendar-white-gold", "alternatives_url": "https://mostexpensivewatches.net/alternatives/patek-philippe-5320g-perpetual-calendar-white-gold"}, {"reference": {"slug": "patek-philippe-3448", "brand": "Patek Philippe", "ref": "3448", "model": "Perpetual Calendar", "case_material": "18k Yellow Gold", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/patek-philippe-3448", "description": "Produced between 1962 and approximately 1981, the Patek Philippe Reference 3448 was the manufacture’s first automatic perpetual calendar wristwatch. Collectors prioritize this reference for its Caliber 27-460 Q movement and its 37.5mm \"Padellone\" case, characterized by sharp, angular lugs and a minimalist dial layout featuring day and month apertures at twelve o'clock. Approximately 586 total examples were made, with the vast majority cased in 18k yellow gold. Secondary market prices for yellow gold specimens typically range from $300,000 to over $500,000 depending on condition and dial series. Four distinct dial variations exist, distinguished by the typography and the presence of a leap year indicator on later versions. A notable production rarity is the \"Senza Luna\" variant, which lacks a moon phase complication; one such example achieved a hammer price exceeding $1.1 million at a 2017 Christie’s auction."}, "score": 20, "why_compare": "Same patek philippe collector universe; shared search intent: 18k, gold; similar gold case profile.", "listing_stats": {"count": 61, "median": 67770.0, "low": 33000.0, "high": 340000.0, "brands": 1, "merchants": 5}, "top_listing": {"id": "h_7477190918231", "title": "Patek Philippe Patek Philippe Perpetual Calendar", "brand": "Patek Philippe", "model": "Patek Philippe Perpetual Calendar", "reference": "40930788", "price_usd": 89950.0, "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/AS11185_40930788_PATEKPHILIPPE_PERPETUALCALENDAR_3945-1J-6.jpg?v=1759332472", "detail_url": "https://mostexpensivewatches.net/listing/h_7477190918231", "buy_url": "https://mostexpensivewatches.net/out/h_7477190918231", "available": true}, "auction_comp_count": 3, "review_url": "https://mostexpensivewatches.net/review/patek-philippe-3448", "alternatives_url": "https://mostexpensivewatches.net/alternatives/patek-philippe-3448"}, {"reference": {"slug": "patek-philippe-2497", "brand": "Patek Philippe", "ref": "2497", "model": "Perpetual Calendar (Mid-century)", "case_material": "18k Pink Gold", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/patek-philippe-2497", "description": "The Patek Philippe Reference 2497 was produced between 1951 and 1963, serving as the brand's first series-produced perpetual calendar wristwatch with a center seconds hand. It utilizes the manual-wind Caliber 27-SC Q movement housed in a 37mm case, which was considered oversized for the era. Collectors prioritize this reference for its technical transition from the 1526 and its shared aesthetic DNA with the 2499 chronograph. The 18k pink gold variant is significantly rarer than the yellow gold version, with fewer than 40 examples identified in this metal. Key design evolutions include the shift from \"Feuille\" hands and applied Arabic numerals in the first series to \"Dauphine\" hands and baton markers in the second series. Current secondary market values for pink gold examples typically range from $400,000 to over $700,000, depending on provenance and case crispness, as evidenced by high-profile results at major Geneva auctions."}, "score": 20, "why_compare": "Same patek philippe 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/review/patek-philippe-2497", "alternatives_url": "https://mostexpensivewatches.net/alternatives/patek-philippe-2497"}]}