{"reference": {"slug": "h-moser-cie-348", "brand": "H. Moser & Cie", "ref": "348", "model": "Perpetual Moon", "case_material": "18k Pink Gold", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/h-moser-cie-348", "description": "The H. Moser & Cie. Endeavour Perpetual Moon reference 1348-0100 was introduced around 2010 and remained a core offering in the brand’s catalog for approximately a decade before being superseded by the Vantablack and Concept iterations. This reference features a 40.8mm case in 18k pink gold and is valued for the hand-wound caliber HMC 348, which incorporates a modular escapement and a moon phase complication accurate to one day every 1,027 years. The dial is characterized by a fumé finish and a large moon phase aperture at 6 o'clock, utilizing a disc that tracks the lunar cycle with high precision. On the secondary market, this reference typically trades between $18,000 and $25,000 depending on condition and completeness. A notable production detail is the inclusion of a discrete AM/PM indicator at the center of the dial, which is adjusted via the crown to ensure the moon phase remains synchronized."}, "lang": "de", "url": "https://mostexpensivewatches.net/de/alternatives/h-moser-cie-348", "reference_url": "https://mostexpensivewatches.net/de/reference/h-moser-cie-348", "review_url": "https://mostexpensivewatches.net/de/review/h-moser-cie-348", "listing_stats": {"count": 3, "median": 83000.0, "low": 24100.0, "high": 98000.0, "brands": 1, "merchants": 1}, "auction_comp_count": 1, "alternatives": [{"reference": {"slug": "h-moser-cie-2327-0212", "brand": "H. Moser & Cie", "ref": "2327-0212", "model": "Venturer Concept Only Watch", "case_material": "18k White Gold", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/h-moser-cie-2327-0212", "description": "The H. Moser & Cie. Venturer Concept Only Watch reference 2327-0212 is a unique piece produced in 2017 specifically for the Only Watch charity auction. This 39mm 18k white gold timepiece features a red fumé dial devoid of indices, logos, or branding, representing the brand’s \"Concept\" philosophy of minimalist design. It is powered by the hand-wound caliber HMC 327, which offers a three-day power reserve indicated on the movement side and features an original Straumann hairspring. Collectors value this reference for its status as a one-of-one production and its role in establishing the brand's identity through the removal of traditional dial markings. While standard Venturer models trade in the $15,000 to $25,000 range, this unique piece sold at the 2017 Christie’s Only Watch auction for 35,000 CHF. Its secondary market value remains speculative due to its singular nature, typically commanding a significant premium over production variants."}, "score": 20, "why_compare": "Same h. moser & cie collector universe; shared search intent: 18k, cie; similar gold case profile.", "listing_stats": {"count": 2, "median": 61050.0, "low": 24100.0, "high": 98000.0, "brands": 1, "merchants": 1}, "top_listing": {"id": "h_7428602101969", "title": "H. Moser & Cie STREAMLINER CYLINDRICAL TOURBILLON ALPINE LIMITED EDITION", "brand": "H. Moser & Cie", "model": "STREAMLINER CYLINDRICAL TOURBILLON ALPINE LIMITED EDITION", "reference": "—", "price_usd": 98000.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "Stainless Steel", "case_size_mm": 42.3, "movement": "Automatic", "complications": ["Tourbillon"], "merchant_slug": "material-good", "merchant_name": "Material Good", "image_url": "https://cdn.shopify.com/s/files/1/0561/5190/0369/files/Alpine.1.jpg?v=1717011248", "detail_url": "https://mostexpensivewatches.net/listing/h_7428602101969", "buy_url": "https://mostexpensivewatches.net/out/h_7428602101969", "available": true}, "auction_comp_count": 1, "review_url": "https://mostexpensivewatches.net/de/review/h-moser-cie-2327-0212", "alternatives_url": "https://mostexpensivewatches.net/de/alternatives/h-moser-cie-2327-0212"}, {"reference": {"slug": "a-lange-s-hne-410", "brand": "A. Lange & Söhne", "ref": "410", "model": "Datograph Perpetual", "case_material": "18k Pink Gold", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/a-lange-s-hne-410", "description": "The A. Lange & Söhne Datograph Perpetual reference 410.032 in 18k pink gold was introduced in 2015 and remains in the brand’s current catalog. Collectors prioritize this reference for its integration of a column-wheel flyback chronograph with a perpetual calendar and the signature outsize date. It houses the manual-wind caliber L952.1, a 556-component movement featuring a silver-plated dial with solid silver sub-dials and luminous alpha hands. The 41mm case measures 13.5mm in thickness, offering a larger profile than the original 39mm Datograph. On the secondary market, this reference typically trades in the low-to-mid six-figure range, generally between $130,000 and $160,000 depending on condition and provenance. A notable production detail is the rapid-correction pusher at 10 o’clock, which advances all calendar displays simultaneously, a technical distinction from the separate recessed adjusters found on many high-complication perpetual calendars."}, "score": 15, "why_compare": "Shared search intent: 18k, gold; similar gold case profile.", "listing_stats": {"count": 6, "median": 196500.0, "low": 94770.0, "high": 205000.0, "brands": 1, "merchants": 2}, "top_listing": {"id": "h_7366968213591", "title": "A. Lange & Söhne A. Lange & Söhne Datograph Perpetual Calendar", "brand": "A. Lange & Söhne", "model": "A. Lange & Söhne Datograph Perpetual Calendar", "reference": "40992201", "price_usd": 94770.0, "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/AS10236_40992201_A.LANGE_SOHNE_DATOGRAPH_410.025-6.jpg?v=1739302805", "detail_url": "https://mostexpensivewatches.net/listing/h_7366968213591", "buy_url": "https://mostexpensivewatches.net/out/h_7366968213591", "available": true}, "auction_comp_count": 1, "review_url": "https://mostexpensivewatches.net/de/review/a-lange-s-hne-410", "alternatives_url": "https://mostexpensivewatches.net/de/alternatives/a-lange-s-hne-410"}, {"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, gold; 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/de/review/audemars-piguet-26394or-code-11-59-perpetual-calendar", "alternatives_url": "https://mostexpensivewatches.net/de/alternatives/audemars-piguet-26394or-code-11-59-perpetual-calendar"}, {"reference": {"slug": "audemars-piguet-25829or", "brand": "Audemars Piguet", "ref": "25829OR", "model": "Royal Oak Perpetual Calendar Openworked", "case_material": "18k Pink Gold", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/audemars-piguet-25829or", "description": "The Audemars Piguet Royal Oak Perpetual Calendar Openworked reference 25829OR was produced from the late 1990s through approximately 2012. This reference is valued for its 39mm \"Jumbo\" case proportions and the caliber 2120/2802, an ultra-thin self-winding movement visible through the sapphire dial and exhibition caseback. Unlike modern iterations, the 25829OR features a hand-finished skeletonized architecture and traditional leap year indicators without a week display. The 18k pink gold construction was produced in limited quantities compared to steel or tantalum versions, contributing to its scarcity. On the secondary market, this reference typically trades in the mid-to-high six-figure range, often between $250,000 and $450,000 depending on provenance and condition. A notable auction result occurred in 2022 when a well-preserved example sold for over $600,000, reflecting the high demand for the discontinued 39mm perpetual calendar complications within the Royal Oak lineage."}, "score": 15, "why_compare": "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/de/review/audemars-piguet-25829or", "alternatives_url": "https://mostexpensivewatches.net/de/alternatives/audemars-piguet-25829or"}, {"reference": {"slug": "audemars-piguet-25829tr", "brand": "Audemars Piguet", "ref": "25829TR", "model": "Royal Oak Perpetual Calendar Openworked", "case_material": "Tantalum and 18k Pink Gold", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/audemars-piguet-25829tr", "description": "The Audemars Piguet Royal Oak Perpetual Calendar Openworked reference 25829TR was produced from the late 1990s through the mid-2010s. This reference is distinguished by its bi-metal construction, pairing a tantalum case and outer bracelet links with 18k pink gold bezels and center links. Collectors prioritize this model for its skeletonized caliber 2120/2802, an ultra-thin automatic movement visible through the sapphire dial and exhibition caseback. The use of tantalum, a dense and difficult-to-machine refractory metal, makes this variant significantly rarer than standard steel or gold iterations. Current secondary market valuations typically fall within the $250,000 to $400,000 range depending on condition and provenance. Production records suggest that fewer than 100 units of the 25829TR were manufactured, and a notable example sold at a Phillips auction in 2021 for approximately 302,000 CHF, confirming its status as a low-volume collector piece."}, "score": 15, "why_compare": "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/de/review/audemars-piguet-25829tr", "alternatives_url": "https://mostexpensivewatches.net/de/alternatives/audemars-piguet-25829tr"}, {"reference": {"slug": "blancpain-6056-3642-53b", "brand": "Blancpain", "ref": "6056-3642-53B", "model": "Villeret Perpetual Calendar", "case_material": "18k Pink Gold", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/blancpain-6056-3642-53b", "description": "The Blancpain Villeret Perpetual Calendar reference 6056-3642-53B was introduced in the early 2000s and is no longer in current production. Collectors target this reference for its 38mm 18k pink gold case and the caliber 5653 automatic movement, which provides a 100-hour power reserve. The dial features an opaline finish with applied Roman numerals and a moon phase indicator at six o'clock. A defining technical feature is the inclusion of under-lug correctors, allowing the wearer to adjust calendar indications by hand without specialized tools. On the secondary market, this reference typically trades between $18,000 and $24,000 depending on the presence of original accessories. While the 6056 series was produced in various metals, the pink gold execution is noted for its traditional aesthetic alignment with the Villeret collection's heritage. This model preceded the larger 40mm and 42mm iterations currently found in the brand's catalog."}, "score": 15, "why_compare": "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/de/review/blancpain-6056-3642-53b", "alternatives_url": "https://mostexpensivewatches.net/de/alternatives/blancpain-6056-3642-53b"}, {"reference": {"slug": "jaeger-lecoultre-186", "brand": "Jaeger-LeCoultre", "ref": "186", "model": "Master Grande Tradition Tourbillon Perpetual", "case_material": "18k Pink Gold", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/jaeger-lecoultre-186", "description": "The Jaeger-LeCoultre Master Grande Tradition Tourbillon Perpetual reference 186.2.35.S (Q1652420) was introduced around 2010 and remained in production for approximately five years. Collectors target this reference for the Calibre 987, an automatic movement that integrates a silicon escapement with a flying tourbillon and a perpetual calendar. The 42mm case is constructed from 18k pink gold, featuring a silvered grained dial with applied hour markers and a dedicated year aperture. This model represents a specific era where the manufacture focused on combining high complications with modern materials like silicon to improve chronometric stability. On the secondary market, this reference typically trades in the $45,000 to $65,000 range depending on the presence of original documentation. A notable production detail is the limited nature of these high-complication pieces, which were produced in significantly lower volumes than the standard Master Control series."}, "score": 15, "why_compare": "Shared search intent: 18k, gold; similar gold case profile.", "listing_stats": {"count": 1, "median": 28500.0, "low": 28500.0, "high": 28500.0, "brands": 1, "merchants": 1}, "top_listing": {"id": "h_7569231380567", "title": "Jaeger-LeCoultre Jaeger-LeCoultre Polaris Alarm 'First Series'", "brand": "Jaeger-LeCoultre", "model": "Jaeger-LeCoultre Polaris Alarm 'First Series'", "reference": "—", "price_usd": 28500.0, "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/AS11460_40980127_JAEGERLECOULTRE_POLARISALARMFIRSTSERIESEUROPEANMARKET_E859--6.jpg?v=1770990941", "detail_url": "https://mostexpensivewatches.net/listing/h_7569231380567", "buy_url": "https://mostexpensivewatches.net/out/h_7569231380567", "available": false}, "auction_comp_count": 1, "review_url": "https://mostexpensivewatches.net/de/review/jaeger-lecoultre-186", "alternatives_url": "https://mostexpensivewatches.net/de/alternatives/jaeger-lecoultre-186"}, {"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": 15, "why_compare": "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/de/review/patek-philippe-5013r", "alternatives_url": "https://mostexpensivewatches.net/de/alternatives/patek-philippe-5013r"}, {"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": 15, "why_compare": "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/de/review/patek-philippe-2497", "alternatives_url": "https://mostexpensivewatches.net/de/alternatives/patek-philippe-2497"}, {"reference": {"slug": "patek-philippe-1518", "brand": "Patek Philippe", "ref": "1518", "model": "Perpetual Calendar Chronograph (1941)", "case_material": "18k Pink Gold", "url": "https://mostexpensivewatches.net/reference/patek-philippe-1518", "description": "The Patek Philippe Reference 1518 was produced between 1941 and 1954 as the first serially manufactured perpetual calendar chronograph. Collectors prioritize this reference for its historical significance and the Valjoux-based Caliber 13-130 movement. Of the 281 total units produced, the majority were cased in yellow gold, while approximately 58 examples were executed in 18k pink gold. These pink gold variants often feature \"pink on pink\" configurations with matching rose-toned dials. The case measures 35mm and features square chronograph pushers and a snap-on back. On the secondary market, 18k pink gold examples typically command between $1,200,000 and $2,500,000 depending on dial condition and provenance. A notable production variant includes the rare transition from the \"long\" signature to the shortened \"Patek Philippe\" branding on the dial. In 2021, a pink gold 1518 with a pink dial achieved a sale price exceeding $3,000,000 at auction."}, "score": 15, "why_compare": "Shared search intent: 18k, gold; similar gold case profile.", "listing_stats": {"count": 9, "median": 155000.0, "low": 120000.0, "high": 340000.0, "brands": 1, "merchants": 3}, "top_listing": {"id": "h_15262733730169", "title": "Patek Philippe Perpetual Calendar Chronograph | 3970E | Platinum", "brand": "Patek Philippe", "model": "Perpetual Calendar Chronograph | 3970E | Platinum", "reference": "3970E", "price_usd": 340000.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "Platinum", "case_size_mm": 40.0, "movement": "Automatic", "complications": ["Perpetual Calendar", "Chronograph"], "merchant_slug": "a-collected-man", "merchant_name": "A Collected Man", "image_url": "https://cdn.shopify.com/s/files/1/0606/5325/files/Patek_Philippe_Perpetual_Calendar_Chronograph_3970E_platinum_A_Collected_Man_London_Thumbnail_00.jpg?v=1764768413", "detail_url": "https://mostexpensivewatches.net/listing/h_15262733730169", "buy_url": "https://mostexpensivewatches.net/out/h_15262733730169", "available": false}, "auction_comp_count": 7, "review_url": "https://mostexpensivewatches.net/de/review/patek-philippe-1518", "alternatives_url": "https://mostexpensivewatches.net/de/alternatives/patek-philippe-1518"}, {"reference": {"slug": "patek-philippe-5004r-018", "brand": "Patek Philippe", "ref": "5004R-018", "model": "Split-Seconds Perpetual Calendar", "case_material": "18k Pink Gold", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/patek-philippe-5004r-018", "description": "The Patek Philippe Reference 5004 was produced between 1994 and 2011, with the 5004R-018 variant featuring an 18k pink gold case and a silvered opaline dial. This reference is technically significant as the brand’s first serially produced split-seconds perpetual calendar, housing the manual-wind Caliber CHR 27-70 Q based on a Lemania ébauche. Collectors prioritize this model for its 36.7mm case proportions and the complexity of its split-seconds mechanism, which required a specific isolator system to prevent drag. Total production across all metals is estimated at approximately 12 units per year, making the pink gold execution relatively scarce. On the secondary market, the 5004R typically trades in the $250,000 to $350,000 range depending on provenance and the presence of the original second solid caseback. A notable production milestone occurred in 2011 with a final 50-piece edition in stainless steel."}, "score": 15, "why_compare": "Shared search intent: 18k, gold; similar gold case profile.", "listing_stats": {"count": 4, "median": 254750.0, "low": 195000.0, "high": 278000.0, "brands": 1, "merchants": 2}, "top_listing": {"id": "h_6957465894995", "title": "Patek Philippe Split Seconds Chronograph | 5004 | White Gold", "brand": "Patek Philippe", "model": "Split Seconds Chronograph | 5004 | White Gold", "reference": "5004", "price_usd": 278000.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "18k White Gold", "case_size_mm": 40.0, "movement": "Automatic", "complications": ["Perpetual Calendar", "Chronograph", "Split-Seconds Chronograph"], "merchant_slug": "a-collected-man", "merchant_name": "A Collected Man", "image_url": "https://cdn.shopify.com/s/files/1/0606/5325/products/Patek_Philippe_Split_Seconds_Chronograph_5004_whitegold_A_Collected_Man_London_00.jpg?v=1678889909", "detail_url": "https://mostexpensivewatches.net/listing/h_6957465894995", "buy_url": "https://mostexpensivewatches.net/out/h_6957465894995", "available": false}, "auction_comp_count": 1, "review_url": "https://mostexpensivewatches.net/de/review/patek-philippe-5004r-018", "alternatives_url": "https://mostexpensivewatches.net/de/alternatives/patek-philippe-5004r-018"}, {"reference": {"slug": "patek-philippe-5016", "brand": "Patek Philippe", "ref": "5016", "model": "Tourbillon Minute Repeater Perpetual Calendar", "case_material": "18k Pink Gold", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/patek-philippe-5016", "description": "Produced between 1993 and 2011, the Patek Philippe Reference 5016 was the manufacture’s most complicated wristwatch until the introduction of the Sky Moon Tourbillon. This reference integrates a minute repeater, a tourbillon, and a perpetual calendar with a retrograde date mechanism. The 36.8mm 18k pink gold case houses the manual-wind Caliber R TO 27 PS QI, which consists of 506 components. Collectors prioritize this reference for its traditional proportions and the technical difficulty of combining three major complications in a compact case. The silvered dial features applied gold Breguet numerals and a moon phase indicator. On the secondary market, the 5016R typically commands prices between $450,000 and $650,000 depending on provenance and condition. A unique steel version, Reference 5016A-010, set a record for the model when it sold for 7.3 million CHF at the 2015 Only Watch auction."}, "score": 15, "why_compare": "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": 4, "review_url": "https://mostexpensivewatches.net/de/review/patek-philippe-5016", "alternatives_url": "https://mostexpensivewatches.net/de/alternatives/patek-philippe-5016"}]}