{"reference": {"slug": "mb-f-07", "brand": "MB&F", "ref": "07", "model": "Legacy Machine Perpetual", "case_material": "Titanium", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/mb-f-07", "description": "The MB&F Legacy Machine Perpetual in grade 5 titanium (Reference 07.TL.G) was introduced in 2017 as a limited edition of 50 pieces and is no longer in production. Collectors prioritize this reference for its Stephen McDonnell-designed caliber, which replaces the traditional grand levier system with a mechanical processor to prevent date-skipping errors and damage during adjustment. The 44mm case houses a green CVD-treated dial plate with a suspended balance wheel and skeletonized sub-dials. This specific titanium variant is noted for its lighter weight and distinct color profile compared to the gold and platinum iterations. On the secondary market, this reference typically trades in the mid-to-high six-figure range, often between $160,000 and $210,000 depending on condition. A notable auction result occurred in 2022 when a titanium example achieved approximately $190,000, reflecting the sustained demand for the brand’s first integrated perpetual calendar movement."}, "lang": "ar", "url": "https://mostexpensivewatches.net/ar/alternatives/mb-f-07", "reference_url": "https://mostexpensivewatches.net/ar/reference/mb-f-07", "review_url": "https://mostexpensivewatches.net/ar/review/mb-f-07", "listing_stats": {"count": 2, "median": 145000.0, "low": 110000.0, "high": 180000.0, "brands": 1, "merchants": 2}, "auction_comp_count": 1, "alternatives": [{"reference": {"slug": "mbf-legacy-machine-perpetual", "brand": "MB&F", "ref": "LMP", "model": "Legacy Machine Perpetual", "case_material": "Platinum", "url": "https://mostexpensivewatches.net/reference/mbf-legacy-machine-perpetual", "description": "The MB&F Legacy Machine Perpetual in platinum (Ref. 03.PL.W) was the launch edition of the model, introduced in 2015 as a limited series of 25 pieces. Collectors prioritize this reference for its movement, the Calibre LM Perpetual, developed by Stephen McDonnell. Unlike traditional modular perpetual calendars, this 581-component manual-wind movement utilizes a \"mechanical processor\" with a default 28-day month to prevent date-skipping errors and damage during adjustment. The platinum case measures 44mm by 17.5mm and features a blue face with a suspended 14mm balance wheel positioned above the sub-dials. On the secondary market, this specific platinum edition typically trades in the $160,000 to $210,000 range depending on condition and provenance. A notable production detail is that this reference preceded the \"EVO\" iterations, retaining the original high-domed sapphire crystal and 30-meter water resistance rating characteristic of the early Legacy Machine aesthetic."}, "score": 19, "why_compare": "Same mb&f collector universe; shared search intent: legacy, machine.", "listing_stats": {"count": 2, "median": 145000.0, "low": 110000.0, "high": 180000.0, "brands": 1, "merchants": 2}, "top_listing": {"id": "h_7734615015633", "title": "MB&F MB&F Legacy Machine Perpetual EVO 07.TR.BU", "brand": "MB&F", "model": "MB&F Legacy Machine Perpetual EVO 07.TR.BU", "reference": "PWW-00010", "price_usd": 180000.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "Stainless Steel", "case_size_mm": 44.0, "movement": "Automatic", "complications": [], "merchant_slug": "material-good", "merchant_name": "Material Good", "image_url": "https://cdn.shopify.com/s/files/1/0561/5190/0369/files/MB_F_Legacy_Machine_Perpetual_EVO_07.TR.BU.jpg?v=1777064882", "detail_url": "https://mostexpensivewatches.net/listing/h_7734615015633", "buy_url": "https://mostexpensivewatches.net/out/h_7734615015633", "available": true}, "auction_comp_count": 0, "review_url": "https://mostexpensivewatches.net/ar/review/mbf-legacy-machine-perpetual", "alternatives_url": "https://mostexpensivewatches.net/ar/alternatives/mbf-legacy-machine-perpetual"}, {"reference": {"slug": "mb-f-03", "brand": "MB&F", "ref": "03", "model": "Legacy Machine Perpetual", "case_material": "18k White Gold", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/mb-f-03", "description": "The MB&F Legacy Machine Perpetual in 18k white gold with a purple dial (Reference 03.WL.P) was released in 2018 as a limited edition of 25 pieces. Collectors prioritize this reference for its caliber, developed by Stephen McDonnell, which replaces the traditional grand levier system with a mechanical processor. This architecture prevents date-skipping errors and allows for independent adjustment of the year and month. The movement features a suspended 14mm balance wheel positioned above a skeletonized dial, showcasing the perpetual calendar complication. The 44mm case is constructed from 18k white gold and houses a 581-component manual-wind movement with a 72-hour power reserve. On the secondary market, this specific purple dial variant typically trades in the mid-to-high six-figure range, often exceeding $180,000 depending on condition. A notable auction result occurred in 2022 when a white gold example reached approximately $200,000 including buyer's premium."}, "score": 19, "why_compare": "Same mb&f collector universe; shared search intent: legacy, machine.", "listing_stats": {"count": 2, "median": 145000.0, "low": 110000.0, "high": 180000.0, "brands": 1, "merchants": 2}, "top_listing": {"id": "h_7734615015633", "title": "MB&F MB&F Legacy Machine Perpetual EVO 07.TR.BU", "brand": "MB&F", "model": "MB&F Legacy Machine Perpetual EVO 07.TR.BU", "reference": "PWW-00010", "price_usd": 180000.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "Stainless Steel", "case_size_mm": 44.0, "movement": "Automatic", "complications": [], "merchant_slug": "material-good", "merchant_name": "Material Good", "image_url": "https://cdn.shopify.com/s/files/1/0561/5190/0369/files/MB_F_Legacy_Machine_Perpetual_EVO_07.TR.BU.jpg?v=1777064882", "detail_url": "https://mostexpensivewatches.net/listing/h_7734615015633", "buy_url": "https://mostexpensivewatches.net/out/h_7734615015633", "available": true}, "auction_comp_count": 2, "review_url": "https://mostexpensivewatches.net/ar/review/mb-f-03", "alternatives_url": "https://mostexpensivewatches.net/ar/alternatives/mb-f-03"}, {"reference": {"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": 18, "why_compare": "Same mb&f collector universe; shared search intent: legacy, machine; similar titanium case profile.", "listing_stats": {"count": 2, "median": 75885.0, "low": 74000.0, "high": 77770.0, "brands": 1, "merchants": 2}, "top_listing": {"id": "h_7226297909335", "title": "MB&F MB&F Legacy Machine Split Escapement EVO", "brand": "MB&F", "model": "MB&F Legacy Machine Split Escapement EVO", "reference": "40992012", "price_usd": 77770.0, "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/AS09739_40992012_MBF_LEGACYMACHINE-6.jpg?v=1730498372", "detail_url": "https://mostexpensivewatches.net/listing/h_7226297909335", "buy_url": "https://mostexpensivewatches.net/out/h_7226297909335", "available": false}, "auction_comp_count": 2, "review_url": "https://mostexpensivewatches.net/ar/review/mb-f-04", "alternatives_url": "https://mostexpensivewatches.net/ar/alternatives/mb-f-04"}, {"reference": {"slug": "mb-f-hm2-sapphire-titanium", "brand": "MB&F", "ref": "HM2", "model": "Horological Machine No. 2", "case_material": "Sapphire and Titanium", "url": "https://mostexpensivewatches.net/reference/mb-f-hm2-sapphire-titanium", "description": "The MB&F Horological Machine No. 2 (HM2) Sapphire Vision (SV) in titanium was produced between 2008 and 2011 as part of the brand’s early experimental era. Collectors target this reference for its complex architectural case, which features a transparent sapphire crystal top plate secured by a titanium base and a distinctive rubber gasket system. The watch utilizes the HM2 engine, a Jean-Marc Wiederrecht-designed movement built on a Girard-Perregaux base, featuring the world’s first mechanical movement combining instantaneous jumping hours, concentric retrograde minutes, retrograde date, and a bi-hemisphere moon phase. This specific variant was limited to 25 pieces, contributing to its scarcity. On the secondary market, the HM2 SV titanium typically trades in the $50,000 to $80,000 range depending on condition and provenance. A notable production detail is the use of over 100 components in the case construction alone to ensure water resistance despite the modular sapphire design."}, "score": 16, "why_compare": "Same mb&f collector universe; shared search intent: machine, titanium; similar titanium case profile.", "listing_stats": {"count": 0, "median": 0, "low": 0, "high": 0}, "top_listing": null, "auction_comp_count": 1, "review_url": "https://mostexpensivewatches.net/ar/review/mb-f-hm2-sapphire-titanium", "alternatives_url": "https://mostexpensivewatches.net/ar/alternatives/mb-f-hm2-sapphire-titanium"}, {"reference": {"slug": "mb-f-hm2-sv", "brand": "MB&F", "ref": "HM2-SV", "model": "Horological Machine No. 2 Sapphire Vision", "case_material": "Sapphire and Titanium", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/mb-f-hm2-sv", "description": "The MB&F Horological Machine No. 2 Sapphire Vision (HM2-SV) in sapphire and titanium was released in 2010 as a limited edition of 25 pieces, following the original HM2 launch in 2008. Collectors value this reference for its complex case construction, which features a solid sapphire crystal plate secured to a titanium base by a patented gasket system and 22 bolts. The Jean-Marc Wiederrecht-designed caliber utilizes a Girard-Perregaux base with a jumping hour, concentric retrograde minutes, and a retrograde date across twin dials. This model represents a pivotal era in the brand’s history as the first to utilize a full sapphire top plate to reveal the movement architecture. On the secondary market, the HM2-SV typically trades in the $60,000 to $90,000 range. A notable production detail is that the sapphire plate required over 55 hours of machining and polishing to achieve its final dimensions."}, "score": 16, "why_compare": "Same mb&f collector universe; shared search intent: machine, titanium; similar titanium case profile.", "listing_stats": {"count": 0, "median": 0, "low": 0, "high": 0}, "top_listing": null, "auction_comp_count": 1, "review_url": "https://mostexpensivewatches.net/ar/review/mb-f-hm2-sv", "alternatives_url": "https://mostexpensivewatches.net/ar/alternatives/mb-f-hm2-sv"}, {"reference": {"slug": "mb-f-32t0044", "brand": "MB&F", "ref": "32T0044", "model": "Horological Machine No. 3", "case_material": "Titanium", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/mb-f-32t0044", "description": "The MB&F Horological Machine No. 3 (HM3) reference 32T0044, known as the \"Sidewinder,\" was produced between approximately 2009 and 2015 and is now discontinued. This reference features a Grade 5 titanium case with a lateral orientation, positioning the twin truncated cones perpendicular to the wearer's arm. Collectors value the HM3 for its Girard-Perregaux-based caliber, modified by Jean-Marc Wiederrecht of Agenhor, which utilizes a 22k gold battle-axe winding rotor visible on the dial side. The movement employs large ceramic ball bearings to reduce friction and support the three-dimensional hour and day/night indication cones. On the secondary market, this reference typically trades in the $55,000 to $75,000 range. A notable production detail is that the Sidewinder was released alongside the \"Starcruiser\" variant, which shared the same internal architecture but oriented the cones vertically toward the wearer for a different ergonomic profile."}, "score": 16, "why_compare": "Same mb&f collector universe; shared search intent: machine, titanium; similar titanium case profile.", "listing_stats": {"count": 0, "median": 0, "low": 0, "high": 0}, "top_listing": null, "auction_comp_count": 1, "review_url": "https://mostexpensivewatches.net/ar/review/mb-f-32t0044", "alternatives_url": "https://mostexpensivewatches.net/ar/alternatives/mb-f-32t0044"}, {"reference": {"slug": "mb-f-hm10-bulldog-titanium", "brand": "MB&F", "ref": "HM10", "model": "HM10 Bulldog", "case_material": "Titanium", "url": "https://mostexpensivewatches.net/reference/mb-f-hm10-bulldog-titanium", "description": "The MB&F Horological Machine N°10 Bulldog Titanium was introduced in 2020 and remains part of the brand’s contemporary catalog. Collectors value this reference for its manual-wind, in-house movement featuring a 2.5Hz flying balance wheel positioned beneath a central sapphire dome. The grade 5 titanium case measures 54mm by 45mm and utilizes a unique \"jaw\" mechanism that functions as a power reserve indicator; the teeth close as the 45-hour mainspring winds down. Time is displayed via two rotating aluminum domes for hours and minutes. This model represents a technical evolution of the brand’s animal-themed \"Machine\" lineage. On the secondary market, the HM10 Titanium typically trades in the $85,000 to $110,000 range. While the titanium version features blue accents, a notable variant exists in 18k red gold and titanium, which often commands a higher premium at international auctions."}, "score": 14, "why_compare": "Same mb&f collector universe; shared search intent: titanium; similar titanium case profile.", "listing_stats": {"count": 0, "median": 0, "low": 0, "high": 0}, "top_listing": null, "auction_comp_count": 2, "review_url": "https://mostexpensivewatches.net/ar/review/mb-f-hm10-bulldog-titanium", "alternatives_url": "https://mostexpensivewatches.net/ar/alternatives/mb-f-hm10-bulldog-titanium"}, {"reference": {"slug": "mb-f-hm4-thunderbolt-titanium", "brand": "MB&F", "ref": "HM4", "model": "HM4 Thunderbolt", "case_material": "Titanium", "url": "https://mostexpensivewatches.net/reference/mb-f-hm4-thunderbolt-titanium", "description": "The MB&F HM4 Thunderbolt was produced between 2010 and 2013, with the original titanium edition limited to 100 pieces. Collectors prioritize this reference for its unconventional aviation-inspired architecture, featuring two parallel jet-turbine pods crafted from Grade 5 titanium and a central sapphire section that requires over 185 hours of machining. The manual-wind HM4 engine consists of 311 components, utilizing two mainspring barrels to drive separate pods for time display and power reserve. This model marked a shift for the brand toward three-dimensional kinetic sculpture rather than traditional watch shapes. On the secondary market, the HM4 Thunderbolt typically trades in the low-to-mid six-figure range, often between $250,000 and $350,000 depending on condition. A notable variant is the HM4 \"Razzle Dazzle,\" which features hand-painted nose art on the titanium fuselage, further increasing its scarcity and value among specialized collectors."}, "score": 14, "why_compare": "Same mb&f collector universe; shared search intent: titanium; similar titanium case profile.", "listing_stats": {"count": 1, "median": 98000.0, "low": 98000.0, "high": 98000.0, "brands": 1, "merchants": 1}, "top_listing": {"id": "h_7435399299155", "title": "MB&F HM4 Thunderbolt | Titanium", "brand": "MB&F", "model": "HM4 Thunderbolt | Titanium", "reference": "COHTI_M2057", "price_usd": 98000.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "Grade 5 Titanium", "case_size_mm": 40.0, "movement": "Automatic", "complications": [], "merchant_slug": "a-collected-man", "merchant_name": "A Collected Man", "image_url": "https://cdn.shopify.com/s/files/1/0606/5325/files/MB_F_HM4_Thunderbolt__titanium_A_Collected_Man_London_Thumbnail_00_1.jpg?v=1725454951", "detail_url": "https://mostexpensivewatches.net/listing/h_7435399299155", "buy_url": "https://mostexpensivewatches.net/out/h_7435399299155", "available": false}, "auction_comp_count": 3, "review_url": "https://mostexpensivewatches.net/ar/review/mb-f-hm4-thunderbolt-titanium", "alternatives_url": "https://mostexpensivewatches.net/ar/alternatives/mb-f-hm4-thunderbolt-titanium"}, {"reference": {"slug": "mb-f-hm6-space-pirate-titanium", "brand": "MB&F", "ref": "HM6", "model": "HM6 Space Pirate", "case_material": "Titanium", "url": "https://mostexpensivewatches.net/reference/mb-f-hm6-space-pirate-titanium", "description": "The MB&F HM6 Space Pirate in titanium was released in 2014 as the initial edition of the Horological Machine No. 6 series. Production of the HM6 line concluded in 2019 with the Final Edition, limiting the total output across all metal variants to 100 pieces, with only 50 units produced in the original Grade 5 titanium. Collectors value this reference for its complex case construction, which comprises 80 components and features ten sapphire crystals. The caliber, developed with David Candaux, utilizes a flying tourbillon with a retractable titanium shield and dual aluminum turbines that regulate the automatic winding system. On the secondary market, this reference typically trades in the low-to-mid six-figure range, often between $220,000 and $300,000 depending on condition. A notable production detail is that the movement requires over 350 components to drive the four spherical indicators for hours and minutes."}, "score": 14, "why_compare": "Same mb&f collector universe; shared search intent: titanium; similar titanium case profile.", "listing_stats": {"count": 1, "median": 150000.0, "low": 150000.0, "high": 150000.0, "brands": 1, "merchants": 1}, "top_listing": {"id": "h_7398937133139", "title": "MB&F HM6 TI | Titanium", "brand": "MB&F", "model": "HM6 TI | Titanium", "reference": "CKNTI_M1962", "price_usd": 150000.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "Grade 5 Titanium", "case_size_mm": 40.0, "movement": "Automatic", "complications": [], "merchant_slug": "a-collected-man", "merchant_name": "A Collected Man", "image_url": "https://cdn.shopify.com/s/files/1/0606/5325/files/5aa3eed8a314a54fe0cc6e73c4e6d696.jpg?v=1720429620", "detail_url": "https://mostexpensivewatches.net/listing/h_7398937133139", "buy_url": "https://mostexpensivewatches.net/out/h_7398937133139", "available": false}, "auction_comp_count": 1, "review_url": "https://mostexpensivewatches.net/ar/review/mb-f-hm6-space-pirate-titanium", "alternatives_url": "https://mostexpensivewatches.net/ar/alternatives/mb-f-hm6-space-pirate-titanium"}, {"reference": {"slug": "mb-f-20", "brand": "MB&F", "ref": "20", "model": "Horological Machine No. 2 Diamond-Set", "case_material": "18k White Gold and Titanium", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/mb-f-20", "description": "The MB&F Horological Machine No. 2 (HM2) Diamond-Set 20 was released circa 2009 as a limited edition of 20 pieces. This reference features a modular case construction combining 18k white gold and titanium, measuring 59mm x 38mm x 13mm. It utilizes the Girard-Perregaux based HM2 engine, a Jean-Marc Wiederrecht-designed movement featuring the first mechanical movement to offer instantaneous jumping hours, concentric retrograde minutes, retrograde date, and a bi-hemisphere moon phase. The \"Diamond-Set\" designation refers to the 20 diamonds totaling 0.54 carats set into the case. Collectors value the HM2 as the brand’s second-ever release, representing the early architectural era of Max Büsser’s designs. On the secondary market, this specific reference typically trades in the $60,000 to $90,000 range. A notable production detail is that the HM2 series was officially retired in 2011 with the final \"Black Box\" edition."}, "score": 13, "why_compare": "Same mb&f collector universe; shared search intent: machine, titanium.", "listing_stats": {"count": 4, "median": 87885.0, "low": 74000.0, "high": 148000.0, "brands": 1, "merchants": 2}, "top_listing": {"id": "h_7441210376275", "title": "MB&F Perpetual Evo | #1/15 | Zirconium", "brand": "MB&F", "model": "Perpetual Evo | #1/15 | Zirconium", "reference": "CASZC_M2059", "price_usd": 148000.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "Stainless Steel", "case_size_mm": 40.0, "movement": "Automatic", "complications": [], "merchant_slug": "a-collected-man", "merchant_name": "A Collected Man", "image_url": "https://cdn.shopify.com/s/files/1/0606/5325/files/MB_F_Perpetual_Evo_Zirconium_limited_edition_red_dial_limited_edition_red_dial_1_15__zirconium_A_Collected_Man_London_Thumbnail_00.jpg?v=1726068318", "detail_url": "https://mostexpensivewatches.net/listing/h_7441210376275", "buy_url": "https://mostexpensivewatches.net/out/h_7441210376275", "available": false}, "auction_comp_count": 2, "review_url": "https://mostexpensivewatches.net/ar/review/mb-f-20", "alternatives_url": "https://mostexpensivewatches.net/ar/alternatives/mb-f-20"}, {"reference": {"slug": "mb-f-31r0032", "brand": "MB&F", "ref": "31R0032", "model": "Horological Machine No. 3", "case_material": "18k Rose Gold and Titanium", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/mb-f-31r0032", "description": "The MB&F Horological Machine No. 3 (HM3) reference 31R0032, known as the \"Sidewinder,\" was produced between 2009 and approximately 2012. This reference features a multi-part case constructed from 18k rose gold and grade 5 titanium, housing the Girard-Perregaux based caliber re-engineered by Jean-Marc Wiederrecht. Collectors value this model for its inverted movement architecture, which places the 22k gold battle-axe winding rotor on the dial side, and its twin conical truncated cones that display hours and minutes laterally. The Sidewinder orientation aligns the cones perpendicular to the arm, distinguishing it from the \"Starcruiser\" variant. On the secondary market, this reference typically trades in the $55,000 to $75,000 range depending on condition and provenance. While not a limited edition, total HM3 production remained low, and a unique \"Chocolate\" version of the Sidewinder later appeared as a limited run of 10 pieces."}, "score": 13, "why_compare": "Same mb&f collector universe; shared search intent: machine, titanium.", "listing_stats": {"count": 0, "median": 0, "low": 0, "high": 0}, "top_listing": null, "auction_comp_count": 1, "review_url": "https://mostexpensivewatches.net/ar/review/mb-f-31r0032", "alternatives_url": "https://mostexpensivewatches.net/ar/alternatives/mb-f-31r0032"}, {"reference": {"slug": "mb-f-55r339", "brand": "MB&F", "ref": "55R339", "model": "Horological Machine No. 5 (HM5)", "case_material": "18k Red Gold and Titanium", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/mb-f-55r339", "description": "The MB&F Horological Machine No. 5 (HM5) RT, reference 55.RTL.B, was released in 2013 as a limited edition of 66 pieces. This reference features an outer case constructed from 18k red gold and grade 5 titanium, housing an internal water-resistant engine container. The movement is a Girard-Perregaux based caliber modified by Jean-François Mojon and Vincent Boucard, featuring a 22k gold battle-axe rotor and a jumping hour mechanism. Time is displayed via bi-directional jumping hours and minutes on sapphire crystal discs, which are projected 90 degrees vertically through an optical grade sapphire prism. The case design includes functional louvers operated by a slide to allow light to charge the Super-LumiNova on the discs. On the secondary market, this reference typically trades between $55,000 and $75,000. It followed the original 2012 zirconium version and preceded the final CarbonMacrolon edition, marking a significant material evolution in the HM5 series."}, "score": 13, "why_compare": "Same mb&f collector universe; shared search intent: machine, titanium.", "listing_stats": {"count": 0, "median": 0, "low": 0, "high": 0}, "top_listing": null, "auction_comp_count": 1, "review_url": "https://mostexpensivewatches.net/ar/review/mb-f-55r339", "alternatives_url": "https://mostexpensivewatches.net/ar/alternatives/mb-f-55r339"}]}