{"reference": {"slug": "roger-dubuis-ex42", "brand": "Roger Dubuis", "ref": "EX42", "model": "Excalibur Chronograph", "case_material": "Stainless Steel", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/roger-dubuis-ex42", "description": "The Roger Dubuis Excalibur Chronograph EX42 in stainless steel was produced during the mid-2000s, representing the era when the manufacture’s founder was still active in the company. Collectors prioritize this reference for its RD78 movement, an in-house, integrated column-wheel chronograph caliber featuring a micro-rotor and the Poinçon de Genève certification. The 42mm case is characterized by a triple-lug design and a notched bezel, while the dial typically features oversized Roman numerals and a bi-compax layout. Production for these early steel models was limited, often restricted to 280 pieces per variation. On the secondary market, these watches generally trade between $8,000 and $12,000 depending on condition and the presence of original documentation. A notable production detail is that these movements were among the first high-complication calibers developed entirely in-house by the brand before its acquisition by the Richemont Group."}, "lang": "ja", "url": "https://mostexpensivewatches.net/ja/alternatives/roger-dubuis-ex42", "reference_url": "https://mostexpensivewatches.net/ja/reference/roger-dubuis-ex42", "review_url": "https://mostexpensivewatches.net/ja/review/roger-dubuis-ex42", "listing_stats": {"count": 0, "median": 0, "low": 0, "high": 0}, "auction_comp_count": 2, "alternatives": [{"reference": {"slug": "roger-dubuis-043", "brand": "Roger Dubuis", "ref": "043", "model": "Easy Diver Flying Tourbillon", "case_material": "18k White Gold and Stainless Steel", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/roger-dubuis-043", "description": "The Roger Dubuis Easy Diver Flying Tourbillon reference SE48 02 9 0/S 3.53 was produced during the mid-2000s, specifically around 2005 to 2008, and is no longer in production. This reference is noted for its 48mm case construction combining an 18k white gold bezel and crown guards with a stainless steel mid-case. It houses the manual-wind Caliber RD02, a Poinçon de Genève certified movement featuring a one-minute flying tourbillon visible at the six o'clock position. Collectors value this model as a representation of the brand’s \"Golden Era\" under the founder’s influence, characterized by oversized sports aesthetics paired with high-complication finishing. This specific reference was limited to 280 pieces globally. On the secondary market, these timepieces typically trade between $25,000 and $40,000 depending on condition and completeness. A similar variant exists in full 18k rose gold, which commands a higher price premium at auction."}, "score": 20, "why_compare": "Same roger dubuis collector universe; shared search intent: dubuis, roger; similar steel case profile.", "listing_stats": {"count": 0, "median": 0, "low": 0, "high": 0}, "top_listing": null, "auction_comp_count": 1, "review_url": "https://mostexpensivewatches.net/ja/review/roger-dubuis-043", "alternatives_url": "https://mostexpensivewatches.net/ja/alternatives/roger-dubuis-043"}, {"reference": {"slug": "roger-dubuis-dbex0354", "brand": "Roger Dubuis", "ref": "DBEX0354", "model": "Excalibur 42", "case_material": "Stainless Steel", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/roger-dubuis-dbex0354", "description": "The Roger Dubuis Excalibur 42 reference DBEX0354 was introduced around 2012 as part of a shift toward more wearable, 42mm stainless steel cases compared to the brand’s larger historical offerings. This reference features a silver sunray dial with oversized black Roman numerals and a small seconds sub-dial at 6 o’clock. It is powered by the in-house Calibre RD620, an automatic movement featuring a micro-rotor and the Poinçon de Genève certification. Collectors value this model for providing the brand’s distinct aesthetic and high-level finishing in a versatile steel format that is now discontinued. On the secondary market, this reference typically trades between $6,000 and $9,000 depending on condition and the inclusion of original paperwork. While the Excalibur line is often associated with skeletonized tourbillons, the DBEX0354 remains a notable entry point for collectors seeking the brand’s hallmark micro-rotor technology in a traditional closed-dial configuration."}, "score": 20, "why_compare": "Same roger dubuis collector universe; shared search intent: dubuis, excalibur; similar steel case profile.", "listing_stats": {"count": 0, "median": 0, "low": 0, "high": 0}, "top_listing": null, "auction_comp_count": 1, "review_url": "https://mostexpensivewatches.net/ja/review/roger-dubuis-dbex0354", "alternatives_url": "https://mostexpensivewatches.net/ja/alternatives/roger-dubuis-dbex0354"}, {"reference": {"slug": "roger-dubuis-h37565", "brand": "Roger Dubuis", "ref": "H37565", "model": "Hommage Chronograph", "case_material": "18k White Gold", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/roger-dubuis-h37565", "description": "The Roger Dubuis Hommage Chronograph H37565 in 18k white gold was produced during the late 1990s and early 2000s, a period when the founder personally oversaw design and quality control. Collectors prioritize this reference for its Lemania-based caliber RD56, a manual-wind column-wheel movement finished to meet the standards of the Poinçon de Genève. The 37mm case features a polished concave bezel and stepped lugs, while the dial often displays a two-register layout with applied Breguet numerals and a peripheral tachymeter scale. Production was strictly limited, typically to 28 pieces per dial configuration, as indicated by the individual numbering on the case back. On the secondary market, these chronographs generally trade between $35,000 and $55,000 depending on condition and the presence of original documentation. A notable variant includes the \"sector\" dial configuration, which has historically commanded premiums at international auction houses."}, "score": 19, "why_compare": "Same roger dubuis collector universe; shared search intent: chronograph, dubuis.", "listing_stats": {"count": 11, "median": 57500.0, "low": 26450.0, "high": 100000.0, "brands": 1, "merchants": 1}, "top_listing": {"id": "h_6733484064851", "title": "Roger Dubuis Hommage Chronograph H40 560 | Rose Gold", "brand": "Roger Dubuis", "model": "Hommage Chronograph H40 560 | Rose Gold", "reference": "560", "price_usd": 100000.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "18k Rose Gold", "case_size_mm": 40.0, "movement": "Automatic", "complications": ["Chronograph"], "merchant_slug": "a-collected-man", "merchant_name": "A Collected Man", "image_url": "https://cdn.shopify.com/s/files/1/0606/5325/products/Roger_Dubuis_Hommage_Chronograph_H40_Blue_dial_Rose_Gold_A_Collected_Man_London_15_6f268093-0f03-46ff-bf35-791cf426f7bc.jpg?v=1647768392", "detail_url": "https://mostexpensivewatches.net/listing/h_6733484064851", "buy_url": "https://mostexpensivewatches.net/out/h_6733484064851", "available": false}, "auction_comp_count": 1, "review_url": "https://mostexpensivewatches.net/ja/review/roger-dubuis-h37565", "alternatives_url": "https://mostexpensivewatches.net/ja/alternatives/roger-dubuis-h37565"}, {"reference": {"slug": "roger-dubuis-ex427793", "brand": "Roger Dubuis", "ref": "EX427793", "model": "Excalibur", "case_material": "18k White Gold", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/roger-dubuis-ex427793", "description": "The Roger Dubuis Excalibur EX427793 is a discontinued reference produced during the mid-to-late 2000s, a period defined by the brand’s adherence to the Poinçon de Genève standards across its entire catalog. This model features a 42mm 18k white gold case characterized by the collection's signature triple lugs and notched bezel. It is powered by the manufacture Calibre RD77, an automatic movement featuring a micro-rotor and 42 hours of power reserve. The dial utilizes a silvered finish with oversized black Roman numerals and a small seconds sub-dial at 9 o'clock. Collectors value this reference for its integration of traditional Geneva seal finishing within a bold, contemporary design language. On the secondary market, this model typically trades between $10,000 and $15,000 depending on condition and the presence of original documentation. A notable production detail is the limited run of 888 pieces, a common numbering convention for the brand during this era."}, "score": 15, "why_compare": "Same roger dubuis collector universe; shared search intent: dubuis, excalibur.", "listing_stats": {"count": 0, "median": 0, "low": 0, "high": 0}, "top_listing": null, "auction_comp_count": 1, "review_url": "https://mostexpensivewatches.net/ja/review/roger-dubuis-ex427793", "alternatives_url": "https://mostexpensivewatches.net/ja/alternatives/roger-dubuis-ex427793"}, {"reference": {"slug": "roger-dubuis-ex45", "brand": "Roger Dubuis", "ref": "EX45", "model": "Excalibur Double Tourbillon", "case_material": "18k White Gold", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/roger-dubuis-ex45", "description": "The Roger Dubuis Excalibur Double Tourbillon reference EX45-01-50-00/0RR01/B was produced during the mid-to-late 2000s and is no longer in current production. Collectors target this 45mm 18k white gold model for the RD01 manual-wind movement, which features two differential-linked flying tourbillons and carries the Poinçon de Genève. The dial is characterized by oversized Roman numerals and a skeletonized view of the escapements. This reference represents the brand’s transition into high-complication technical aesthetics under the original vision of Roger Dubuis. On the secondary market, this specific white gold model typically trades in the $60,000 to $90,000 range, depending on provenance and service history. A notable production detail is that this reference was often limited to 28 pieces globally, a common restriction for the brand's high-complication white gold variants during that era, ensuring relative scarcity compared to later mass-produced iterations."}, "score": 15, "why_compare": "Same roger dubuis collector universe; shared search intent: dubuis, excalibur.", "listing_stats": {"count": 0, "median": 0, "low": 0, "high": 0}, "top_listing": null, "auction_comp_count": 3, "review_url": "https://mostexpensivewatches.net/ja/review/roger-dubuis-ex45", "alternatives_url": "https://mostexpensivewatches.net/ja/alternatives/roger-dubuis-ex45"}, {"reference": {"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": 15, "why_compare": "Same roger dubuis collector universe; shared search intent: dubuis, excalibur.", "listing_stats": {"count": 0, "median": 0, "low": 0, "high": 0}, "top_listing": null, "auction_comp_count": 3, "review_url": "https://mostexpensivewatches.net/ja/review/roger-dubuis-ex45-01sq-20-00", "alternatives_url": "https://mostexpensivewatches.net/ja/alternatives/roger-dubuis-ex45-01sq-20-00"}, {"reference": {"slug": "roger-dubuis-dbex0739", "brand": "Roger Dubuis", "ref": "DBEX0739", "model": "Excalibur Knights of the Round Table", "case_material": "Bronze", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/roger-dubuis-dbex0739", "description": "The Roger Dubuis Excalibur Knights of the Round Table reference DBEX0739 was released in 2019 as a limited edition of 28 pieces. This reference is distinguished by its 45mm case cast in bronze, a material that develops a unique patina over time. The dial features twelve micro-sculpted pink gold knights acting as hour markers, positioned around a center dial crafted from dark grey enamel and solid 18k pink gold. It is powered by the in-house Caliber RD821, a self-winding movement bearing the Poinçon de Genève. Collectors value this specific iteration for being the first in the series to utilize bronze, marking a departure from the precious metal cases of previous versions. On the secondary market, this reference typically commands prices in the mid-to-high six-figure range. A notable production detail is that each of the twelve knight figurines is uniquely sculpted, requiring extensive manual finishing to achieve distinct anatomical details."}, "score": 15, "why_compare": "Same roger dubuis collector universe; shared search intent: dubuis, excalibur.", "listing_stats": {"count": 0, "median": 0, "low": 0, "high": 0}, "top_listing": null, "auction_comp_count": 1, "review_url": "https://mostexpensivewatches.net/ja/review/roger-dubuis-dbex0739", "alternatives_url": "https://mostexpensivewatches.net/ja/alternatives/roger-dubuis-dbex0739"}, {"reference": {"slug": "roger-dubuis-rddbex0511", "brand": "Roger Dubuis", "ref": "RDDBEX0511", "model": "Excalibur Knights of the Round Table II", "case_material": "18k Pink Gold", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/roger-dubuis-rddbex0511", "description": "The Roger Dubuis Excalibur Knights of the Round Table II, reference RDDBEX0511, was released in 2015 as a limited edition of 28 pieces and is no longer in production. This reference is valued for its 45mm 18k pink gold case and its intricate dial featuring twelve micro-sculpted bronze knights, each approximately 6.5mm tall, serving as hour markers. These figures surround a central table crafted from black jade and engraved white gold. The watch is powered by the in-house Calibre RD821, a self-winding movement bearing the Poinçon de Genève. On the secondary market, this reference typically commands prices in the mid-to-high six-figure range, often fluctuating between $250,000 and $450,000 depending on condition and provenance. A notable production detail is that each bronze knight is individually hand-engraved, ensuring that no two figures across the 28-piece series are identical in their finishing."}, "score": 15, "why_compare": "Same roger dubuis collector universe; shared search intent: dubuis, excalibur.", "listing_stats": {"count": 0, "median": 0, "low": 0, "high": 0}, "top_listing": null, "auction_comp_count": 1, "review_url": "https://mostexpensivewatches.net/ja/review/roger-dubuis-rddbex0511", "alternatives_url": "https://mostexpensivewatches.net/ja/alternatives/roger-dubuis-rddbex0511"}, {"reference": {"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": 15, "why_compare": "Same roger dubuis collector universe; shared search intent: dubuis, excalibur.", "listing_stats": {"count": 0, "median": 0, "low": 0, "high": 0}, "top_listing": null, "auction_comp_count": 1, "review_url": "https://mostexpensivewatches.net/ja/review/roger-dubuis-dbex1041", "alternatives_url": "https://mostexpensivewatches.net/ja/alternatives/roger-dubuis-dbex1041"}, {"reference": {"slug": "roger-dubuis-rddbex0252", "brand": "Roger Dubuis", "ref": "RDDBEX0252", "model": "Excalibur Skeletonised Double Tourbillon", "case_material": "18k White Gold", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/roger-dubuis-rddbex0252", "description": "The Roger Dubuis Excalibur Skeletonised Double Tourbillon reference RDDBEX0252 was introduced around 2010 and is no longer in current production. Collectors target this reference for the Calibre RD01SQ, a hand-wound movement featuring two flying tourbillons linked by a differential to average their rates for improved chronometric precision. The 45mm case is constructed from 18k white gold and features the signature Excalibur triple lugs and notched bezel. This model holds historical significance as a representation of the brand’s Poinçon de Genève certification, requiring every component to be finished to specific artisanal standards. On the secondary market, this reference typically trades in the $100,000 to $140,000 range depending on condition and provenance. While the RDDBEX0252 is the standard white gold iteration, a notable variant includes the RDDBEX0250, which utilizes the same skeletonized architecture but is housed in an 18k rose gold case."}, "score": 15, "why_compare": "Same roger dubuis collector universe; shared search intent: dubuis, excalibur.", "listing_stats": {"count": 0, "median": 0, "low": 0, "high": 0}, "top_listing": null, "auction_comp_count": 1, "review_url": "https://mostexpensivewatches.net/ja/review/roger-dubuis-rddbex0252", "alternatives_url": "https://mostexpensivewatches.net/ja/alternatives/roger-dubuis-rddbex0252"}, {"reference": {"slug": "roger-dubuis-dbex0947", "brand": "Roger Dubuis", "ref": "DBEX0947", "model": "Excalibur Spider Monobalancier Huracán", "case_material": "Titanium", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/roger-dubuis-dbex0947", "description": "The Roger Dubuis Excalibur Spider Monobalancier Huracán reference DBEX0947 was introduced in 2022 as part of the ongoing partnership with Lamborghini Squadra Corse. This model features a 45mm case constructed from grey DLC-coated titanium and houses the RD630 caliber, an automatic movement designed specifically for this collaboration. The movement architecture mimics a supercar engine, incorporating a 12-degree inclined balance wheel and a 360-degree oscillating weight inspired by a Huracán wheel rim. The skeletonized dial includes a twin-barrel power supply providing 60 hours of reserve and a date display at six o'clock. This reference is limited to 88 pieces, making it a target for collectors of automotive-themed high horology. On the secondary market, this model typically trades between $35,000 and $50,000. A notable design element is the crown, which is modeled after the wheel nuts found on Lamborghini racing vehicles."}, "score": 15, "why_compare": "Same roger dubuis collector universe; shared search intent: dubuis, excalibur.", "listing_stats": {"count": 0, "median": 0, "low": 0, "high": 0}, "top_listing": null, "auction_comp_count": 1, "review_url": "https://mostexpensivewatches.net/ja/review/roger-dubuis-dbex0947", "alternatives_url": "https://mostexpensivewatches.net/ja/alternatives/roger-dubuis-dbex0947"}, {"reference": {"slug": "roger-dubuis-no", "brand": "Roger Dubuis", "ref": "NO", "model": "Excalibur Triple Time Zone", "case_material": "18k Pink Gold", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/roger-dubuis-no", "description": "The Roger Dubuis Excalibur Triple Time Zone (Reference DBEX0055) was produced during the mid-to-late 2000s and is no longer in current production. Collectors target this reference for its 45mm 18k pink gold case featuring the brand’s signature notched bezel and triple-lug design. It houses the in-house Caliber RD1448, an automatic movement bearing the Poinçon de Genève. The dial displays three independent time zones via two sub-dials and a central hand, alongside a power reserve indicator. This model represents the \"Golden Era\" of the manufacture under the founder's influence before the Richemont acquisition. On the secondary market, this reference typically trades between $15,000 and $22,000 depending on condition and completeness. A notable production detail is its limited nature; many iterations of the Excalibur Triple Time Zone were restricted to 28 or 88 pieces globally, contributing to its relative scarcity."}, "score": 15, "why_compare": "Same roger dubuis collector universe; shared search intent: dubuis, excalibur.", "listing_stats": {"count": 18, "median": 48850.0, "low": 26450.0, "high": 100000.0, "brands": 1, "merchants": 1}, "top_listing": {"id": "h_7133557325907", "title": "Roger Dubuis Monopusher Chronograph | H40 | White Gold", "brand": "Roger Dubuis", "model": "Monopusher Chronograph | H40 | White Gold", "reference": "WWG_R1755", "price_usd": 60000.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "18k White Gold", "case_size_mm": 40.0, "movement": "Automatic", "complications": ["Chronograph"], "merchant_slug": "a-collected-man", "merchant_name": "A Collected Man", "image_url": "https://cdn.shopify.com/s/files/1/0606/5325/files/Roger_Dubuis_Monopusher_Chronograph_H40_18kwhitegold_A_Collected_Man_London_Thumbnail_00.jpg?v=1705596520", "detail_url": "https://mostexpensivewatches.net/listing/h_7133557325907", "buy_url": "https://mostexpensivewatches.net/out/h_7133557325907", "available": true}, "auction_comp_count": 8, "review_url": "https://mostexpensivewatches.net/ja/review/roger-dubuis-no", "alternatives_url": "https://mostexpensivewatches.net/ja/alternatives/roger-dubuis-no"}]}