{"query": "RM 27-04", "brand": null, "total": 10, "limit": 10, "matches": [{"slug": "richard-mille-rm-27-04", "brand": "Richard Mille", "ref": "RM 27-04", "model": "Tourbillon Rafael Nadal", "case_material": "Quartz TPT", "url": "https://mostexpensivewatches.net/reference/richard-mille-rm-27-04", "description": "The Richard Mille RM 27-04 Tourbillon Rafael Nadal was released in 2020 as a limited edition of 50 pieces to commemorate the tenth anniversary of the partnership between the athlete and the brand. Collectors prioritize this reference for its technical construction, featuring a case made of TitaCarb, a high-performance polyamide reinforced with 38.5% carbon fiber. The manual-winding caliber RM27-04 utilizes a unique suspension system where the movement is supported by a single 0.27mm steel cable woven into a mesh structure inspired by tennis rackets, allowing the watch to withstand accelerations exceeding 12,000 g’s. The entire timepiece, including the strap, weighs approximately 30 grams. On the secondary market, the RM 27-04 typically commands prices between $2,000,000 and $2,500,000. A notable public sale occurred at the 2021 Only Watch auction, where a prototype version of this reference achieved a hammer price of 2.1 million CHF.", "score": 226}, {"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": 40}, {"slug": "parmigiani-fleurier-pf000474", "brand": "Parmigiani Fleurier", "ref": "PF000474", "model": "Toric Perpetual Calendar", "case_material": "18k White Gold", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/parmigiani-fleurier-pf000474", "description": "The Parmigiani Fleurier Toric Perpetual Calendar reference PF000474 was produced during the late 1990s and early 2000s, representing the foundational era of Michel Parmigiani’s independent brand. Collectors value this reference for its 40mm 18k white gold case featuring the signature double-knurled bezel and a hand-guilloché silver dial with a retrograde date and moon phase indicator. It houses the Calibre PF333, an automatic movement based on a Vaucher manufacture caliber. This reference is noted for its classical proportions and the high level of hand-finishing characteristic of early Parmigiani production. On the secondary market, this model typically trades between $18,000 and $26,000 depending on condition and the presence of original documentation. A notable variant includes the platinum version (reference PF000475), which occasionally appears at auction, while the white gold PF000474 remains a primary example of the brand's early design language.", "score": 40}, {"slug": "richard-mille-rm027-01", "brand": "Richard Mille", "ref": "RM027-01", "model": "Rafael Nadal", "case_material": "Carbon Composite", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/richard-mille-rm027-01", "description": "The Richard Mille RM 27-01 Rafael Nadal was introduced in 2013 as a limited edition of 50 pieces, succeeding the original RM 027. This reference is significant for its carbon nanotube-injected polymer case and a movement suspended by four braided steel cables, each measuring 0.35mm in diameter. This architecture allows the manual-wind caliber to withstand accelerations exceeding 5,000 Gs while maintaining a total weight of 18.83 grams including the strap. Collectors prioritize this model for its technical advancement in shock resistance and its status as the lightest mechanical tourbillon at the time of its release. On the secondary market, the RM 27-01 typically commands prices between $1,500,000 and $2,000,000 depending on provenance. A notable public sale occurred at a 2023 Christie’s auction, where a specimen achieved a hammer price of approximately $1.1 million, though private valuations often trend higher due to extreme scarcity.", "score": 40}, {"slug": "richard-mille-rm27-01", "brand": "Richard Mille", "ref": "RM27-01", "model": "RM27-01 Rafael Nadal", "case_material": "Carbon Nanotube", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/richard-mille-rm27-01", "description": "The Richard Mille RM27-01 Rafael Nadal was released in 2013 as a limited edition of 50 pieces and is no longer in production. Collectors prioritize this reference for its technical construction, specifically the manual-wind tourbillon caliber suspended by four braided steel cables measuring 0.35mm in diameter. This architecture allows the movement to withstand accelerations exceeding 5,000 Gs. The tonneau-shaped case is composed of an injection-molded carbon nanotube polymer, contributing to a total weight of 18.83 grams including the strap. At its launch, it was recognized as the lightest mechanical watch ever produced. On the secondary market, the RM27-01 typically commands prices in the range of $1.5 million to $2.2 million depending on provenance and condition. A notable auction result occurred in 2023 when a well-preserved example sold for approximately $2.1 million, reflecting its scarcity and significance within the brand’s high-performance athlete partnerships.", "score": 40}, {"slug": "richard-mille-rm027-02", "brand": "Richard Mille", "ref": "RM027-02", "model": "RM027-02 Only Watch 2015", "case_material": "NTPT Carbon and TPT Quartz", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/richard-mille-rm027-02", "description": "The Richard Mille RM 27-02 Only Watch 2015 is a unique piece produced specifically for the 2015 biennial charity auction. This reference introduced the brand’s first unibody baseplate, machined from NTPT carbon to fuse the caseband and baseplate into a single component for increased rigidity and shock resistance. The 47.77mm case utilizes a combination of NTPT carbon and TPT quartz, featuring a distinct white and black striated aesthetic. It houses the manual-winding caliber RM27-02, a tourbillon movement capable of withstanding 5,000 Gs, originally developed for tennis player Rafael Nadal. While the standard production run was limited to 50 pieces, this specific Only Watch edition is a 1-of-1 prototype. At the 2015 Only Watch auction, this specific timepiece sold for 650,000 CHF. On the current secondary market, standard RM 27-02 examples typically trade in the high-six-figure to low-seven-figure range.", "score": 40}, {"slug": "mb-f-04", "brand": "MB&F", "ref": "04", "model": "Legacy Machine Split Escapement", "case_material": "Titanium", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/mb-f-04", "description": "The MB&F Legacy Machine Split Escapement (LM SE) in Grade 5 titanium was introduced in 2019 as a limited edition of 33 pieces featuring a green CVD-treated dial plate. This reference utilizes the manual-wind caliber developed by Stephen McDonnell, characterized by its 14mm balance wheel suspended above the dial while the anchor and escape wheel are positioned beneath the movement. The 44mm case houses a dial plate finished with a traditional hand-frosted texture, a signature aesthetic of the Legacy Machine collection. Collectors value this specific reference for its lightweight construction and the technical complexity of the split escapement architecture. On the secondary market, these timepieces typically trade in the low-to-mid six-figure range, often between $110,000 and $140,000 depending on condition. A notable production detail is that this titanium edition followed the initial 2017 launch of the four gold launch editions.", "score": 35}, {"slug": "zenith-04", "brand": "Zenith", "ref": "04", "model": "Defy Double Tourbillon Felipe Pantone Only Watch 2021", "case_material": "Sapphire Crystal", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/zenith-04", "description": "The Zenith Defy Double Tourbillon Felipe Pantone Only Watch 2021 is a unique piece produced specifically for the 2021 Only Watch charity auction. This reference features a 46mm case constructed entirely from transparent sapphire crystal, housing the El Primero 9020 automatic movement. This caliber includes two independent tourbillons: one rotating every 60 seconds for timekeeping and another rotating every five seconds for the 1/100th-of-a-second chronograph. Collectors value the collaboration with artist Felipe Pantone, which incorporates an interference colors finish on the movement bridges and a rainbow-gradient dial achieved through PVD treatment. As a one-of-one production, it does not have a standard secondary market price range, though it achieved a final hammer price of 480,000 CHF at the Christie’s 2021 auction. This specific unit remains the only sapphire-cased Double Tourbillon featuring Pantone’s signature optical art aesthetic and multi-colored sapphire indices.", "score": 35}, {"slug": "roger-dubuis-dbex1041", "brand": "Roger Dubuis", "ref": "DBEX1041", "model": "Excalibur Monobalancier Dr. Woo", "case_material": "Black Ceramic and Titanium", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/roger-dubuis-dbex1041", "description": "Released in 2023 as a limited edition of 28 pieces, the Roger Dubuis Excalibur Monobalancier Dr. Woo (reference DBEX1041) represents the second collaboration between the manufacture and the tattoo artist. The 42mm case is constructed from black ceramic with a titanium caseback and crown. It houses the automatic caliber RD720SQ, which features a 72-hour power reserve and the Poinçon de Genève certification. The dial integrates Dr. Woo’s signature \"Urban Art\" aesthetic, utilizing a sapphire crystal engraved with a cosmic map and a rotating sun disk at 12 o'clock that serves as the micro-rotor. On the secondary market, this reference typically commands prices in the mid-to-high five-figure range, often between $60,000 and $85,000 depending on condition. This specific model followed the 2021 pink gold version, marking the transition of the collaboration's design language into more durable, technical materials.", "score": 28}, {"slug": "a-lange-s-hne-404", "brand": "A. Lange & Söhne", "ref": "404", "model": "Double Split", "case_material": "Stainless Steel", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/a-lange-s-hne-404", "description": "The A. Lange & Söhne Double Split reference 404.047F in stainless steel was produced in 2013 as a unique piece for the \"Kidz Horizon\" charity auction. Unlike the standard production models in platinum or pink gold, this is the only known example of the Double Split cased in steel. It features the manual-wind caliber L001.1, the first movement capable of measuring split-time intervals up to thirty minutes. The watch is distinguished by its 43.2mm steel case and a black dial with silver registers and tachymeter scale. Because it is a unique piece, it does not have a standard secondary market price range; however, it sold at Christie’s in 2013 for approximately $500,000. Current valuations for a unique steel Lange chronograph are estimated in the high-six to low-seven-figure range, reflecting its status as one of the rarest watches ever manufactured by the Glashütte firm.", "score": 20}]}