{"reference": {"slug": "breguet-3050", "brand": "Breguet", "ref": "3050", "model": "Classique Perpetual Calendar", "case_material": "Platinum", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/breguet-3050", "description": "The Breguet Classique Perpetual Calendar 3050 was produced from the late 1980s through the 1990s and is currently discontinued. Collectors value this reference for its 36mm case diameter and the ultra-thin caliber 502, which utilizes an off-center gold rotor to maintain a slim profile. The dial features traditional hand-guilloché patterns, blued steel pomme hands, and a leap year indicator integrated into the month sub-dial. The platinum variant is rarer than the yellow gold versions and is distinguished by its weight and silvered solid gold dial. On the secondary market, the 3050 in platinum typically trades between $25,000 and $35,000 depending on the presence of the original box and papers. A notable production detail is the use of a \"J\" prefix in the serial numbers for certain batches, and early examples often feature a solid caseback rather than the later sapphire display backs."}, "lang": "ja", "url": "https://mostexpensivewatches.net/ja/alternatives/breguet-3050", "reference_url": "https://mostexpensivewatches.net/ja/reference/breguet-3050", "review_url": "https://mostexpensivewatches.net/ja/review/breguet-3050", "listing_stats": {"count": 2, "median": 49270.0, "low": 45770.0, "high": 52770.0, "brands": 1, "merchants": 1}, "auction_comp_count": 1, "alternatives": [{"reference": {"slug": "breguet-3857", "brand": "Breguet", "ref": "3857", "model": "250th Anniversary Minute Repeating Perpetual Calendar Tourbillon", "case_material": "18k Yellow Gold", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/breguet-3857", "description": "The Breguet Reference 3857 was produced in 1997 as a limited edition of 300 pieces to commemorate the 250th anniversary of Abraham-Louis Breguet’s birth. This 18k yellow gold timepiece integrates three major complications: a minute repeater, a perpetual calendar, and a one-minute tourbillon. It utilizes the manual-wind Caliber 558 QP, which features a hand-engraved movement visible through a sapphire caseback. The 37mm case includes the brand’s signature coin-edge fluting and straight lugs, while the silvered gold dial displays four sub-dials and hand-guilloché patterns. Collectors value this reference for its historical significance and the density of complications within a traditional case size. On the secondary market, this reference typically trades in the low-to-mid six-figure range, often between $150,000 and $250,000 depending on condition. A notable auction result occurred at Christie’s in 2016, where a yellow gold example realized approximately $173,000."}, "score": 19, "why_compare": "Same breguet collector universe; shared search intent: breguet, calendar.", "listing_stats": {"count": 0, "median": 0, "low": 0, "high": 0}, "top_listing": null, "auction_comp_count": 2, "review_url": "https://mostexpensivewatches.net/ja/review/breguet-3857", "alternatives_url": "https://mostexpensivewatches.net/ja/alternatives/breguet-3857"}, {"reference": {"slug": "breguet-3737", "brand": "Breguet", "ref": "3737", "model": "Minute Repeating Perpetual Calendar", "case_material": "18k Yellow Gold", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/breguet-3737", "description": "The Breguet Reference 3737 was produced during the late 1980s and 1990s, representing the neo-vintage era of the brand under Investcorp ownership. Collectors value this reference for its combination of two high complications—a minute repeater and a perpetual calendar—housed in a traditional 36mm 18k yellow gold case featuring a coin-edge profile and straight lugs. The watch utilizes the Caliber 567, a hand-wound movement based on a Lemania ebauche, visible through a sapphire caseback. The dial is solid gold with silvered guilloché finishing, featuring Roman numerals and blued steel Breguet hands. On the secondary market, this reference typically trades in the low-to-mid six-figure range, often between $130,000 and $180,000 depending on condition and provenance. A notable production detail is the slide-activated chime, a hallmark of traditional repeater construction that distinguishes it from the brand’s later, larger complicated references."}, "score": 19, "why_compare": "Same breguet collector universe; shared search intent: breguet, calendar.", "listing_stats": {"count": 0, "median": 0, "low": 0, "high": 0}, "top_listing": null, "auction_comp_count": 1, "review_url": "https://mostexpensivewatches.net/ja/review/breguet-3737", "alternatives_url": "https://mostexpensivewatches.net/ja/alternatives/breguet-3737"}, {"reference": {"slug": "breguet-3610", "brand": "Breguet", "ref": "3610", "model": "Perpetual Calendar Chronograph", "case_material": "18k Yellow Gold", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/breguet-3610", "description": "The Breguet Perpetual Calendar Chronograph reference 3610 was produced during the 1990s and early 2000s, representing the neo-vintage era of the brand. Collectors target this reference for its 38mm 18k yellow gold case featuring traditional coin-edge fluting and straight lugs with screw-down bars. The watch utilizes the manual-wind Caliber 533.2, which is based on the Lemania 2310 ebauche, finished with hand-engraved bridges visible through a sapphire caseback. The solid gold dial is finished with hand-turned engine guilloché, featuring distinct patterns for the sub-dials and the main chapter ring. On the secondary market, this reference typically trades between $35,000 and $50,000 depending on the presence of original accessories. While the yellow gold version is the most common, a limited number of examples were produced in platinum, which command a significant premium at international auctions due to their lower production volume."}, "score": 19, "why_compare": "Same breguet collector universe; shared search intent: breguet, calendar.", "listing_stats": {"count": 0, "median": 0, "low": 0, "high": 0}, "top_listing": null, "auction_comp_count": 1, "review_url": "https://mostexpensivewatches.net/ja/review/breguet-3610", "alternatives_url": "https://mostexpensivewatches.net/ja/alternatives/breguet-3610"}, {"reference": {"slug": "breguet-3218", "brand": "Breguet", "ref": "3218", "model": "Perpetual Calendar Retrograde", "case_material": "18k White Gold", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/breguet-3218", "description": "The Breguet Classique Perpetual Calendar Retrograde reference 3218 in 18k white gold was produced during the 1990s and is now discontinued. Collectors value this reference for its 36mm coin-edge case and the caliber 591 automatic movement, which features a solid gold rotor and a retrograde date display positioned at 6 o'clock. The dial is crafted from solid gold with hand-guilloché patterns, featuring traditional blued steel pomme hands and Roman numeral tracks. This reference is noted for its slim profile and its adherence to the aesthetic principles established by Daniel Roth during the brand's late 20th-century resurgence. On the secondary market, the 3218 in white gold typically trades between $25,000 and $35,000 depending on condition and the presence of original accessories. While the yellow gold variant is more common, the white gold execution is produced in smaller quantities, making it a rarer find at international auctions."}, "score": 19, "why_compare": "Same breguet collector universe; shared search intent: breguet, calendar.", "listing_stats": {"count": 0, "median": 0, "low": 0, "high": 0}, "top_listing": null, "auction_comp_count": 1, "review_url": "https://mostexpensivewatches.net/ja/review/breguet-3218", "alternatives_url": "https://mostexpensivewatches.net/ja/alternatives/breguet-3218"}, {"reference": {"slug": "breguet-2516", "brand": "Breguet", "ref": "2516", "model": "Tonneau Perpetual Calendar", "case_material": "18k White Gold", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/breguet-2516", "description": "The Breguet Classique Perpetual Calendar reference 2516 in 18k white gold was produced during the late 1990s and early 2000s and is no longer in current production. Collectors target this reference for its tonneau-shaped case, which deviates from the brand’s traditional round silhouettes while maintaining signature elements like a hand-guilloché silvered gold dial and blued steel Breguet hands. It is powered by the automatic Caliber 502, an ultra-thin movement featuring an off-center rotor. The dial layout includes a moon phase indicator at 1 o'clock and a leap year indicator at 6 o'clock. On the secondary market, this reference typically trades between $18,000 and $25,000 depending on condition and the presence of original accessories. A notable production detail is the use of a solid case back on most examples, though some later iterations featured sapphire displays to showcase the movement finishing."}, "score": 19, "why_compare": "Same breguet collector universe; shared search intent: breguet, calendar.", "listing_stats": {"count": 0, "median": 0, "low": 0, "high": 0}, "top_listing": null, "auction_comp_count": 1, "review_url": "https://mostexpensivewatches.net/ja/review/breguet-2516", "alternatives_url": "https://mostexpensivewatches.net/ja/alternatives/breguet-2516"}, {"reference": {"slug": "breguet-3477", "brand": "Breguet", "ref": "3477", "model": "Classique", "case_material": "Platinum", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/breguet-3477", "description": "The Breguet Classique 3477, also known as the Equation of Time, was produced during the late 1990s and early 2000s and is no longer in current production. Collectors value this reference for its integration of a perpetual calendar and an equation of time complication within a 35.5mm case. The platinum variant features a solid gold, silvered dial decorated with four distinct engine-turned guilloché patterns and a sapphire caseback displaying the caliber 502.2 QPET. This self-winding movement utilizes an off-center rotor to maintain a slim profile. The reference is historically significant as one of the brand's first modern wristwatches to feature the equation of time complication. On the secondary market, the platinum 3477 typically trades between $25,000 and $35,000 depending on condition and provenance. A notable variant includes the skeletonized version, reference 3475, which commands a premium over the solid-dial 3477."}, "score": 18, "why_compare": "Same breguet collector universe; shared search intent: breguet, classique; similar platinum case profile.", "listing_stats": {"count": 22, "median": 13632.5, "low": 6650.0, "high": 52770.0, "brands": 1, "merchants": 4}, "top_listing": {"id": "h_7258994114647", "title": "Breguet Breguet Classique Tourbillon Perpetual Calendar", "brand": "Breguet", "model": "Breguet Classique Tourbillon Perpetual Calendar", "reference": "40992074", "price_usd": 52770.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "Stainless Steel", "case_size_mm": 40.0, "movement": "Automatic", "complications": ["Tourbillon", "Perpetual Calendar"], "merchant_slug": "analog-shift", "merchant_name": "Analog/Shift", "image_url": "https://cdn.shopify.com/s/files/1/0809/1255/files/AS09873_40992074_BREGUET_CLASSIQUEPERPETUALCALENDARTOURBILLON_3757-7.jpg?v=1730502273", "detail_url": "https://mostexpensivewatches.net/listing/h_7258994114647", "buy_url": "https://mostexpensivewatches.net/out/h_7258994114647", "available": true}, "auction_comp_count": 1, "review_url": "https://mostexpensivewatches.net/ja/review/breguet-3477", "alternatives_url": "https://mostexpensivewatches.net/ja/alternatives/breguet-3477"}, {"reference": {"slug": "breguet-5347", "brand": "Breguet", "ref": "5347", "model": "Classique Double Tourbillon", "case_material": "Platinum", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/breguet-5347", "description": "The Breguet Classique Double Tourbillon 5347 in platinum was introduced in 2006 and remains a cornerstone of the brand’s high-complication catalog. This reference features the manual-wind Calibre 588, which utilizes two independent tourbillons connected by a differential gear. The entire movement plate rotates once every twelve hours, with the upper bridge of the tourbillons serving as the hour hand. The dial is characterized by hand-guilloché patterns and a sapphire disc, while the case back displays an intricate engraving of the solar system. Collectors value this reference for its mechanical complexity and its direct lineage to Abraham-Louis Breguet’s invention. On the secondary market, these timepieces typically trade in the $220,000 to $350,000 range depending on condition and provenance. A notable evolution of this design is the 5345 \"Quai de l’Horloge,\" which utilizes a skeletonized version of the same dual-tourbillon architecture."}, "score": 18, "why_compare": "Same breguet collector universe; shared search intent: breguet, classique; similar platinum 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/breguet-5347", "alternatives_url": "https://mostexpensivewatches.net/ja/alternatives/breguet-5347"}, {"reference": {"slug": "breguet-5447", "brand": "Breguet", "ref": "5447", "model": "Classique Grande Complication", "case_material": "Platinum", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/breguet-5447", "description": "The Breguet Classique Grande Complication 5447 in platinum was introduced in the mid-2000s and is currently a discontinued reference. Collectors prioritize this model for its combination of a perpetual calendar and a minute repeater, powered by the manual-wind Caliber 567 RMP. The 40mm case features the brand’s signature coin-edge fluting and welded lugs, while the solid gold dial is finished with hand-engraved engine turning in multiple patterns. This reference is noted for its retrograde month indicator and a moon phase display positioned at 1:30. On the secondary market, the 5447PT typically commands prices in the $140,000 to $180,000 range depending on provenance and condition. A notable production detail is the use of gold gongs in the repeater mechanism, which produces a distinct acoustic profile compared to steel. High-profile auction results for this reference have occasionally reached the $200,000 threshold for well-documented examples."}, "score": 18, "why_compare": "Same breguet collector universe; shared search intent: breguet, classique; similar platinum 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/breguet-5447", "alternatives_url": "https://mostexpensivewatches.net/ja/alternatives/breguet-5447"}, {"reference": {"slug": "breguet-classique-grande-complication-5347", "brand": "Breguet", "ref": "5347PT", "model": "Classique Grande Complication Tourbillon", "case_material": "Platinum", "url": "https://mostexpensivewatches.net/reference/breguet-classique-grande-complication-5347", "description": "The Breguet Classique Grande Complication 5347PT/11/9ZU features a 44mm platinum case and was introduced in 2006; it remains a centerpiece of the brand’s current production. This reference is defined by the manual-wind Calibre 588, which utilizes two independent tourbillons connected by a differential gear. The entire movement plate rotates once every twelve hours, allowing the bridge connecting the tourbillons to serve as the hour hand. The dial is composed of silvered 18k gold with hand-engraved engine turning, while the case back features a detailed engraving of the solar system. Collectors value this reference for its mechanical complexity and its direct link to Abraham-Louis Breguet’s 1801 invention. On the secondary market, this platinum model typically trades in the $220,000 to $280,000 range. A notable variant is the 5349PT, which utilizes the same movement but features a larger case set with baguette-cut diamonds."}, "score": 18, "why_compare": "Same breguet collector universe; shared search intent: breguet, classique; similar platinum case profile.", "listing_stats": {"count": 0, "median": 0, "low": 0, "high": 0}, "top_listing": null, "auction_comp_count": 0, "review_url": "https://mostexpensivewatches.net/ja/review/breguet-classique-grande-complication-5347", "alternatives_url": "https://mostexpensivewatches.net/ja/alternatives/breguet-classique-grande-complication-5347"}, {"reference": {"slug": "breguet-marine-tourbillon-5887-platinum", "brand": "Breguet", "ref": "5887PT/Y2/9WV", "model": "Marine Équation Marchante 5887", "case_material": "Platinum", "url": "https://mostexpensivewatches.net/reference/breguet-marine-tourbillon-5887-platinum", "description": "The Breguet Marine Équation Marchante 5887PT/Y2/9WV was introduced in 2017 and remains in current production. This reference is technically significant for its caliber 581DPE, which features a running equation of time indicated by a second minute hand with a gilded sun tip, a perpetual calendar, and a 60-second tourbillon with a silicon carriage. The 43.9mm platinum case houses a blue gold dial decorated with a wave-pattern engine-turned guilloché. Collectors value the movement’s 80-hour power reserve and the peripheral rotor design that allows an unobstructed view of the finishing and the equation cam on a sapphire disk. On the secondary market, this reference typically trades in the $140,000 to $175,000 range. A notable production detail is the hand-engraved depiction of the Royal Louis, a ship of the French Royal Navy, across the movement bridges, referencing Abraham-Louis Breguet’s 1815 appointment as Horologer de la Marine Royale."}, "score": 16, "why_compare": "Same breguet collector universe; shared search intent: breguet, platinum; similar platinum case profile.", "listing_stats": {"count": 0, "median": 0, "low": 0, "high": 0}, "top_listing": null, "auction_comp_count": 0, "review_url": "https://mostexpensivewatches.net/ja/review/breguet-marine-tourbillon-5887-platinum", "alternatives_url": "https://mostexpensivewatches.net/ja/alternatives/breguet-marine-tourbillon-5887-platinum"}, {"reference": {"slug": "a-lange-s-hne-421", "brand": "A. Lange & Söhne", "ref": "421", "model": "1815 Rattrapante Perpetual Calendar", "case_material": "Platinum", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/a-lange-s-hne-421", "description": "The A. Lange & Söhne 1815 Rattrapante Perpetual Calendar reference 421.025 in platinum was introduced in 2013 and remains in the current catalog. Collectors prioritize this reference for the caliber L101.1, a manual-wind movement comprising 631 parts that integrates a split-seconds chronograph with a perpetual calendar and moon phase. The 41.9mm case houses a solid silver dial with Arabic numerals and a railway-track minute scale, distinguishing it from the Datograph series. Its technical significance lies in being one of the brand's most complex serial production pieces, winning the Grand Complication prize at the 2013 GPHG. On the secondary market, this platinum model typically trades in the $140,000 to $180,000 range. A notable production variant is the \"Handwerkskunst\" edition, limited to 20 pieces, which features a tremblage-engraved dial and blue enamel, commanding significantly higher premiums at specialized auctions."}, "score": 13, "why_compare": "Shared search intent: calendar, perpetual; similar platinum case profile.", "listing_stats": {"count": 1, "median": 199500.0, "low": 199500.0, "high": 199500.0, "brands": 1, "merchants": 1}, "top_listing": {"id": "h_7647422185559", "title": "A. Lange & Söhne A. Lange & Söhne 1815 Rattrapante Perpetual Calendar", "brand": "A. Lange & Söhne", "model": "A. Lange & Söhne 1815 Rattrapante Perpetual Calendar", "reference": "1815", "price_usd": 199500.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "Stainless Steel", "case_size_mm": 40.0, "movement": "Automatic", "complications": ["Perpetual Calendar", "Split-Seconds Chronograph"], "merchant_slug": "analog-shift", "merchant_name": "Analog/Shift", "image_url": "https://cdn.shopify.com/s/files/1/0809/1255/files/AS12159_40993164_A.LANGE_SOHNE_1815RATTRAPANTEPERPETUALCALENDAR_421.032FE-1.jpg?v=1778519685", "detail_url": "https://mostexpensivewatches.net/listing/h_7647422185559", "buy_url": "https://mostexpensivewatches.net/out/h_7647422185559", "available": true}, "auction_comp_count": 1, "review_url": "https://mostexpensivewatches.net/ja/review/a-lange-s-hne-421", "alternatives_url": "https://mostexpensivewatches.net/ja/alternatives/a-lange-s-hne-421"}, {"reference": {"slug": "audemars-piguet-25654pt", "brand": "Audemars Piguet", "ref": "25654PT", "model": "Royal Oak Perpetual Calendar", "case_material": "Platinum", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/audemars-piguet-25654pt", "description": "Produced between 1982 and 1993, the Audemars Piguet Royal Oak Perpetual Calendar reference 25654PT represents the platinum execution of the brand’s second-generation perpetual calendar. Collectors prioritize this reference for its ultra-thin Calibre 2120/2800 movement and the absence of a leap year indicator, which maintains a symmetrical four-subdial layout. The platinum variant is notably rare, with records indicating only 38 units were manufactured out of the total 800 pieces produced across all metals. These watches feature a 39mm \"Jumbo\" case construction without a sapphire caseback, adhering to traditional proportions. On the secondary market, prices typically occupy the mid-to-high six-figure range, often fluctuating between $250,000 and $500,000 depending on dial configuration. A notable production detail includes the transition from the early \"MK1\" dials with smaller Audemars Piguet typography to later versions, with rare \"Tuscan\" textured dials commanding significant premiums at major international auctions."}, "score": 13, "why_compare": "Shared search intent: calendar, perpetual; similar platinum case profile.", "listing_stats": {"count": 5, "median": 155000.0, "low": 125000.0, "high": 275000.0, "brands": 1, "merchants": 3}, "top_listing": {"id": "h_7739650343121", "title": "Audemars Piguet Audemars Piguet Royal Oak Perpetual Calendar 25810OR.OO.0944OR.01", "brand": "Audemars Piguet", "model": "Audemars Piguet Royal Oak Perpetual Calendar 25810OR.OO.0944OR.01", "reference": "0944OR.01", "price_usd": 245000.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "18k Rose Gold", "case_size_mm": 39.0, "movement": "Automatic", "complications": ["Perpetual Calendar"], "merchant_slug": "material-good", "merchant_name": "Material Good", "image_url": "https://cdn.shopify.com/s/files/1/0561/5190/0369/files/Audemars_Piguet_Royal_Oak_Perpetual_Calendar_25810OR.OO.0944.01.jpg?v=1777670209", "detail_url": "https://mostexpensivewatches.net/listing/h_7739650343121", "buy_url": "https://mostexpensivewatches.net/out/h_7739650343121", "available": true}, "auction_comp_count": 1, "review_url": "https://mostexpensivewatches.net/ja/review/audemars-piguet-25654pt", "alternatives_url": "https://mostexpensivewatches.net/ja/alternatives/audemars-piguet-25654pt"}]}