{"query": "501", "brand": null, "total": 10, "limit": 10, "matches": [{"slug": "hublot-501", "brand": "Hublot", "ref": "501", "model": "Classic Fusion Zirconium", "case_material": "Zirconium and Ceramic", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/hublot-501", "description": "The Hublot Classic Fusion Zirconium 501.ZE.1170.RX was produced during the late 2000s and early 2010s as part of the brand’s early experimentation with high-tech alloys. Collectors target this reference for its 45mm case constructed from zirconium, a rare transition metal valued for its corrosion resistance and distinct grey luster, paired with a black ceramic bezel. It utilizes the HUB1112 automatic movement, based on the Sellita SW300-1, offering a 42-hour power reserve. This model represents the transition from the original 1980s MDM designs to the modern \"Art of Fusion\" era. On the secondary market, this reference typically trades between $4,500 and $6,500 depending on condition and the presence of original documentation. A notable variant includes the Zirconium Diamonds edition, which features a factory-set bezel, though the standard zirconium and ceramic configuration remains the primary choice for those seeking the brand's early technical material applications.", "score": 198}, {"slug": "blancpain-5010", "brand": "Blancpain", "ref": "5010", "model": "Fifty Fathoms 70th Anniversary Act 1 Only Watch", "case_material": "Stainless Steel", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/blancpain-5010", "description": "The Blancpain Fifty Fathoms 70th Anniversary Act 1, reference 5010-1130-NABA, was released in 2023 as a limited production of 210 units, divided into three series of 70 for different global regions. Collectors prioritize this reference for its 42.3mm stainless steel case, a reduction from the standard 45mm Fifty Fathoms, and its use of the caliber 1315 automatic movement with a five-day power reserve. The dial features a black sunburst finish with vintage-style luminous markers and a sapphire bezel insert. On the secondary market, these watches typically trade between $25,000 and $35,000. While this specific reference was a commercial release, it shares its 42mm architecture with the unique 2023 \"Only Watch\" edition, which featured a blue dial and sold at auction for 160,000 CHF, signaling high demand for the mid-sized steel case format within the brand's modern catalog.", "score": 83}, {"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": 83}, {"slug": "iwc-iw501004", "brand": "IWC", "ref": "IW501004", "model": "Big Pilot's Watch Heritage", "case_material": "Titanium", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/iwc-iw501004", "description": "The IWC Big Pilot’s Watch Heritage reference IW501004 was introduced in 2017 and remains a part of the brand’s catalog. Collectors target this reference for its 46.2mm Grade 5 titanium case, which offers a lighter alternative to the traditional steel Big Pilot while maintaining the historical oversized aesthetic. It features a black dial with high-contrast beige luminescence designed to mimic the radium patina of the 1940s 52 T.S.C. military observers. The watch is powered by the IWC-manufactured caliber 52110, an automatic movement featuring a Pellaton winding system and a seven-day power reserve displayed at 3 o'clock. On the secondary market, this reference typically trades between $8,500 and $11,000 depending on condition and completeness. A notable production detail is the inclusion of a soft-iron inner case for protection against magnetic fields, adhering to original pilot specifications.", "score": 83}, {"slug": "patek-philippe-5016a-010", "brand": "Patek Philippe", "ref": "5016A-010", "model": "Grand Complication Only Watch", "case_material": "Stainless Steel", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/patek-philippe-5016a-010", "description": "The Patek Philippe reference 5016A-010 is a unique piece manufactured specifically for the 2015 Only Watch charity auction. While the standard production 5016 was available from 1993 to 2011, this specific iteration is the only example of the reference ever produced in stainless steel. It features the manual-wind caliber R TO 27 PS QR, which integrates a minute repeater, a tourbillon, and a perpetual calendar with a retrograde date hand and moon phase indicator. The watch is distinguished by a blue enamel dial and a 36.8mm case. Collectors value this reference for its combination of high complications within a steel housing, a metal typically reserved for the brand’s sports models rather than grand complications. In 2015, it sold for 7.3 million CHF. On the secondary market, its unique status places its valuation in the high-seven-figure range, though it has not publicly traded since its original auction.", "score": 83}, {"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": 83}, {"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": 83}, {"slug": "patek-philippe-5016p-010", "brand": "Patek Philippe", "ref": "5016P-010", "model": "Tourbillon Minute Repeater Perpetual Calendar", "case_material": "Platinum", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/patek-philippe-5016p-010", "description": "The Patek Philippe Reference 5016P-010 was produced between 1993 and 2011, serving as the brand's most complicated wristwatch until the release of the Sky Moon Tourbillon. This platinum reference features a 36.8mm case housing the manual-wind Caliber R TO 27 PS QR, which integrates a minute repeater, a tourbillon, and a perpetual calendar with a retrograde date hand and moon phase. Collectors prioritize the 5016P-010 for its black dial and Breguet numerals, a configuration that distinguishes it from earlier silver-dial versions. Production was limited, with estimates suggesting approximately 200 total units across all metals over eighteen years. On the secondary market, this reference typically commands prices between $450,000 and $700,000 depending on provenance and service history. A unique steel version, Reference 5016A-010, set a significant precedent by selling for 7.3 million CHF at the 2015 Only Watch auction.", "score": 83}, {"slug": "richard-mille-rm-65-01-split-seconds-chronograph", "brand": "Richard Mille", "ref": "RM 65-01", "model": "Automatic Split-Seconds Chronograph", "case_material": "Titanium", "url": "https://mostexpensivewatches.net/reference/richard-mille-rm-65-01-split-seconds-chronograph", "description": "The Richard Mille RM 65-01 Automatic Split-Seconds Chronograph in titanium entered production in 2020 and remains a core part of the brand’s current catalog. Collectors prioritize this reference for the Calibre RMAC4, a high-frequency integrated movement beating at 36,000 vibrations per hour, which features a split-seconds function and a unique rapid-winding pusher at the eight o'clock position. The Grade 5 titanium case measures 44.5mm by 49.9mm and houses a skeletonized dial with color-coded indicators to distinguish timekeeping, chronograph, and calendar functions. As the brand’s most complex automatic production model, it represents a technical peak in their non-limited sports line. On the secondary market, the titanium variant typically trades between $280,000 and $350,000 depending on condition and provenance. While the titanium model is the standard execution, the reference is also produced in Carbon TPT and gold variants.", "score": 83}, {"slug": "roger-dubuis-ex45-01sq-20-00", "brand": "Roger Dubuis", "ref": "EX45-01SQ-20-00", "model": "Excalibur Double Tourbillon Squelette", "case_material": "18k White Gold", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/roger-dubuis-ex45-01sq-20-00", "description": "The Roger Dubuis Excalibur Double Tourbillon Squelette reference EX45-01SQ-20-00 was introduced around 2009 and is no longer in current production. Collectors target this reference for its 45mm 18k white gold case and the caliber RD01SQ, a hand-wound movement featuring two differential-linked flying tourbillons. This model represents the brand’s transition toward its signature \"Astral Skeleton\" design language, characterized by star-shaped bridges and the Poinçon de Genève certification visible on the movement components. The production was limited to 28 pieces, making it a rare find compared to later non-limited iterations. On the secondary market, this specific reference typically commands prices in the $120,000 to $160,000 range depending on provenance and service history. A notable auction result occurred in 2016 when a similar white gold example achieved approximately $130,000, confirming the sustained value of these early, low-volume skeletonized complications.", "score": 83}]}