{"listing": {"id": "h_7434065379411", "title": "MB&F LM101 | 51.S1L.W | Stainless Steel", "brand": "MB&F", "model": "LM101 | 51.S1L.W | Stainless Steel", "reference": "LM101", "price_usd": 42000.0, "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_LM101_51_S1L_W_stainless_steel_A_Collected_Man_London_Thumbnail_00.jpg?v=1725278128", "detail_url": "https://mostexpensivewatches.net/listing/h_7434065379411", "buy_url": "https://mostexpensivewatches.net/out/h_7434065379411", "available": false}, "lang": "en", "url": "https://mostexpensivewatches.net/listing/h_7434065379411", "alternatives_url": "https://mostexpensivewatches.net/api/v1/listing/h_7434065379411/alternatives", "lower_priced": [], "similar_listings": [{"id": "h_7775562072243", "title": "MB&F MB&F Legacy Machine LM101 Platinum (Pre-owned)", "brand": "MB&F", "model": "MB&F Legacy Machine LM101 Platinum (Pre-owned)", "reference": "LM101", "price_usd": 75000.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "Platinum", "case_size_mm": 40.0, "movement": "Automatic", "complications": [], "merchant_slug": "collective-horology", "merchant_name": "Collective Horology", "image_url": "https://cdn.shopify.com/s/files/1/0559/0623/8643/files/IMG_17962.jpg?v=1713389684", "detail_url": "https://mostexpensivewatches.net/listing/h_7775562072243", "buy_url": "https://mostexpensivewatches.net/out/h_7775562072243", "available": false}], "cohort": {"count": 5, "median": 70000.0, "low": 42000.0, "high": 108500.0, "brands": 1, "merchants": 2, "listing_price": 42000.0, "position": "lowest", "delta_vs_median_pct": -40.0}, "reference": {"slug": "mb-f-lm101-legacy-machine-white-gold", "ref": "LM101", "brand": "MB&F", "model": "Legacy Machine 101", "url": "https://mostexpensivewatches.net/reference/mb-f-lm101-legacy-machine-white-gold", "alternatives_url": "https://mostexpensivewatches.net/api/alternatives/mb-f-lm101-legacy-machine-white-gold"}, "cross_reference_alternatives": [{"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": 20, "why_compare": "Same mb&f collector universe; shared search intent: 18k, gold; similar gold case profile.", "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/review/mb-f-20", "alternatives_url": "https://mostexpensivewatches.net/alternatives/mb-f-20"}, {"reference": {"slug": "mb-f-01", "brand": "MB&F", "ref": "01", "model": "Legacy Machine 1", "case_material": "18k Pink Gold", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/mb-f-01", "description": "The MB&F Legacy Machine 1 (LM1) in 18k pink gold was introduced in 2011 as the debut model of the Legacy Machine collection and remained in production until approximately 2017. Collectors prioritize this reference for its bespoke movement developed by Jean-François Mojon and finished by Kari Voutilainen, featuring a 14mm flying balance wheel suspended above dual independent time zones. The 44mm case houses a high-domed sapphire crystal and a vertical power reserve indicator, marking the brand’s transition from futuristic designs to nineteenth-century aesthetics. On the secondary market, this reference typically trades between $65,000 and $85,000 depending on condition and completeness. While the initial launch included 18k white gold, the pink gold variant is noted for its contrast against the NAC-treated bridges. A \"Final Edition\" in stainless steel concluded the series, but the pink gold remains the definitive original configuration."}, "score": 20, "why_compare": "Same mb&f collector universe; shared search intent: 18k, gold; similar gold case profile.", "listing_stats": {"count": 8, "median": 76385.0, "low": 42000.0, "high": 180000.0, "brands": 1, "merchants": 4}, "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/review/mb-f-01", "alternatives_url": "https://mostexpensivewatches.net/alternatives/mb-f-01"}, {"reference": {"slug": "mb-f-51w12535", "brand": "MB&F", "ref": "51W12535", "model": "Legacy Machine 101", "case_material": "18k White Gold", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/mb-f-51w12535", "description": "The MB&F Legacy Machine 101 reference 51W12535 features an 18k white gold case measuring 40mm in diameter and was produced between 2014 and approximately 2021. This reference is significant as it houses the first movement developed entirely in-house by MB&F, with finishing specifications overseen by Kari Voutilainen. The design prioritizes the 14mm suspended balance wheel positioned above a sunray blue dial, flanked by two floating white lacquer subdials for time and power reserve. Collectors value this model for its wearable dimensions compared to larger Legacy Machines and its historical role in establishing MB&F’s technical independence. On the secondary market, this reference typically trades in the $50,000 to $70,000 range depending on condition and provenance. A notable production shift occurred in 2021 when the model was updated to the \"Evolution\" series, making these original white gold references a distinct closed production chapter."}, "score": 20, "why_compare": "Same mb&f collector universe; shared search intent: 18k, gold; similar gold case profile.", "listing_stats": {"count": 4, "median": 93885.0, "low": 75000.0, "high": 180000.0, "brands": 1, "merchants": 4}, "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": 1, "review_url": "https://mostexpensivewatches.net/review/mb-f-51w12535", "alternatives_url": "https://mostexpensivewatches.net/alternatives/mb-f-51w12535"}, {"reference": {"slug": "mb-f-lm1-legacy-machine-1-red-gold", "brand": "MB&F", "ref": "LM1", "model": "Legacy Machine No. 1", "case_material": "18k Red Gold", "url": "https://mostexpensivewatches.net/reference/mb-f-lm1-legacy-machine-1-red-gold", "description": "The MB&F Legacy Machine No. 1 (LM1) in 18k red gold was introduced in 2011 as the inaugural model of the Legacy Machine collection, remaining in production until the series was retired in 2017. Collectors prioritize this reference for its bespoke movement developed by Jean-François Mojon and Kari Voutilainen, featuring a 14mm suspended balance wheel oscillating above dual independent white lacquer dials. The 44mm case houses a manual-wind caliber with a 45-hour power reserve and a vertical power reserve indicator. As the first round-cased timepiece from a brand previously defined by avant-garde shapes, it represents a pivotal shift in MB&F’s design history. On the secondary market, the LM1 red gold typically trades between $65,000 and $85,000. A notable Final Edition was released in 2017, limited to 18 pieces in stainless steel, marking the definitive end of the LM1 production run."}, "score": 20, "why_compare": "Same mb&f collector universe; shared search intent: 18k, gold; similar gold case profile.", "listing_stats": {"count": 9, "median": 77770.0, "low": 42000.0, "high": 180000.0, "brands": 1, "merchants": 4}, "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": 3, "review_url": "https://mostexpensivewatches.net/review/mb-f-lm1-legacy-machine-1-red-gold", "alternatives_url": "https://mostexpensivewatches.net/alternatives/mb-f-lm1-legacy-machine-1-red-gold"}, {"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": 20, "why_compare": "Same mb&f collector universe; shared search intent: 18k, gold; similar gold case profile.", "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/review/mb-f-03", "alternatives_url": "https://mostexpensivewatches.net/alternatives/mb-f-03"}, {"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": 18, "why_compare": "Same mb&f collector universe; 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/review/mb-f-31r0032", "alternatives_url": "https://mostexpensivewatches.net/alternatives/mb-f-31r0032"}]}