{"query": "20", "brand": null, "total": 10, "limit": 10, "matches": [{"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": 197}, {"slug": "a-lange-sohne-201-027-saxonia-thin", "brand": "A. Lange & Söhne", "ref": "201.027", "model": "Saxonia Thin", "case_material": "18k White Gold", "url": "https://mostexpensivewatches.net/reference/a-lange-sohne-201-027-saxonia-thin", "description": "The A. Lange & Söhne Saxonia Thin reference 201.027 was introduced in 2016 and remains in the current catalog. This reference is distinguished by its 37mm case diameter and a thickness of 5.9mm, making it the brand’s thinnest mechanical timepiece. The 18k white gold case houses the manual-wind caliber L093.1, which features a 72-hour power reserve, a three-quarter plate made of untreated German silver, and a hand-engraved balance cock. Collectors value this model for its minimalist two-hand silver dial with solid gold baton indices and its adherence to traditional Saxon finishing standards in a compact profile. On the secondary market, this reference typically trades between $14,000 and $18,000 depending on condition and completeness. While the original 2011 Saxonia Thin measured 40mm, the 37mm proportions of the 201.027 are often cited by enthusiasts as a more historically accurate dress watch size.", "score": 82}, {"slug": "a-lange-sohne-lange-1-tourbillon", "brand": "A. Lange & Söhne", "ref": "720.025", "model": "Lange 1 Tourbillon Perpetual", "case_material": "Platinum", "url": "https://mostexpensivewatches.net/reference/a-lange-sohne-lange-1-tourbillon", "description": "The A. Lange & Söhne Lange 1 Tourbillon Perpetual Calendar reference 720.025 in platinum was introduced in 2012 and remained in production until approximately 2021. This reference is powered by the self-winding caliber L082.1, which features a peripheral month ring to maintain the asymmetrical Lange 1 dial layout. The movement consists of 624 parts and incorporates a patented stop-seconds mechanism for the tourbillon, visible only through the sapphire caseback. The 41.9mm platinum case houses a solid silver rhodium-colored dial with a moon phase indicator accurate for 122.6 years. Collectors value this reference for its mechanical complexity and the discreet execution of the tourbillon. On the secondary market, this model typically trades in the low-to-mid six-figure range, often between $220,000 and $280,000. A notable variant is the \"Handwerkskunst\" edition, limited to 15 pieces, which features a tremblage-engraved dial and relief-engraved movement components.", "score": 82}, {"slug": "audemars-piguet-15202pt", "brand": "Audemars Piguet", "ref": "15202PT", "model": "Royal Oak Extra-Thin", "case_material": "Platinum", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/audemars-piguet-15202pt", "description": "The Audemars Piguet Royal Oak Extra-Thin 15202PT was introduced in 2021 as a limited production model before the 15202 reference was discontinued in 2022. Collectors prioritize this specific iteration because it features a solid 950 platinum case and bracelet paired with a smoked green sunburst dial, a departure from the traditional \"Petite Tapisserie\" pattern. It houses the self-winding Calibre 2121, which measures 3.05mm in thickness, allowing for an overall case profile of 8.1mm. Unlike the steel 15202ST, the 15202PT was not a numbered limited edition but saw extremely low production volume, distributed exclusively through AP Houses. On the secondary market, prices typically range from $400,000 to $550,000 depending on condition and provenance. A notable auction result occurred at Phillips in 2021, where a unique 15202PT with a titanium case and platinum bezel sold for over $3.1 million for charity.", "score": 82}, {"slug": "audemars-piguet-15720st-royal-oak-offshore-diver", "brand": "Audemars Piguet", "ref": "15720ST.OO.A001CA.01", "model": "Royal Oak Offshore Diver", "case_material": "Stainless Steel", "url": "https://mostexpensivewatches.net/reference/audemars-piguet-15720st-royal-oak-offshore-diver", "description": "The Audemars Piguet Royal Oak Offshore Diver reference 15720ST.OO.A001CA.01 was introduced in 2021 and remains in current production. This reference updated the Diver line with the manufacture Calibre 4308, featuring a frequency of 4Hz and a 60-hour power reserve. The 42mm stainless steel case maintains a 300-meter water resistance rating and incorporates a sapphire crystal caseback to display the movement. Collectors distinguish this model by its black \"Méga Tapisserie\" dial, which utilizes white gold applied hour-markers and hands with luminescent coating. A primary technical advancement for this reference is the proprietary interchangeable strap system, allowing for tool-free changes. On the secondary market, this model typically trades between $24,000 and $30,000 depending on condition and completeness. While the black dial is the standard configuration, this 2021 generation also launched with khaki green and navy blue dial variants featuring matching rubber straps.", "score": 82}, {"slug": "audemars-piguet-royal-oak-16202", "brand": "Audemars Piguet", "ref": "16202ST", "model": "Royal Oak Jumbo (current)", "case_material": "Stainless Steel", "url": "https://mostexpensivewatches.net/reference/audemars-piguet-royal-oak-16202", "description": "The Audemars Piguet Royal Oak Jumbo Extra-Thin reference 16202ST entered production in 2022, replacing the long-standing 15202ST to mark the model's 50th anniversary. This reference features the caliber 7121, a modern movement with a higher frequency of 4Hz and an increased power reserve of 55 hours compared to its predecessor. The stainless steel case maintains the traditional 39mm diameter and 8.1mm thickness, paired with a \"Petite Tapisserie\" dial in Bleu Nuit, Nuage 50. Collectors prioritize this reference for its technical upgrades and its adherence to the original 1972 proportions. On the secondary market, prices typically range from $65,000 to $85,000 depending on condition and provenance. Notably, examples produced during the 2022 inaugural year feature a specific \"50 Years\" oscillating weight visible through the sapphire caseback, a detail absent from subsequent production runs, which impacts long-term collectibility.", "score": 82}, {"slug": "audemars-piguet-15203pt", "brand": "Audemars Piguet", "ref": "15203PT", "model": "Royal Oak 40th Anniversary", "case_material": "Platinum", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/audemars-piguet-15203pt", "description": "The Audemars Piguet Royal Oak reference 15203PT was released in 2012 to commemorate the 40th anniversary of the model line. Production was limited to 40 pieces, all cased in 950 platinum. This reference utilizes the ultra-thin self-winding Calibre 2121, which was the original movement used in the 1972 Royal Oak. The 39mm case features a display caseback with a dedicated 40th-anniversary oscillating weight. Its dial is finished in a smoked grey \"Petite Tapisserie\" pattern with white gold applied hour markers. Collectors value this reference for its material density, historical movement, and extreme scarcity compared to the standard 15202 series. On the secondary market, prices typically reside in the mid-to-high six-figure range, often exceeding $500,000 depending on provenance. A notable auction result occurred in 2022 when a well-preserved example sold for over 800,000 CHF, reflecting its status among high-level Royal Oak collectors.", "score": 82}, {"slug": "audemars-piguet-15202bc", "brand": "Audemars Piguet", "ref": "15202BC", "model": "Royal Oak Jumbo Extra-Thin", "case_material": "18k White Gold", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/audemars-piguet-15202bc", "description": "The Audemars Piguet Royal Oak Jumbo Extra-Thin reference 15202BC was produced between 2019 and 2021. This reference is distinguished by its 39mm case and integrated bracelet constructed entirely from 18k white gold, paired with a \"salmon\" colored dial featuring the \"Petite Tapisserie\" pattern. It utilizes the self-winding Calibre 2121, a movement measuring 3.05mm in thickness, which allows for an overall case profile of 8.1mm. Collectors value this specific model due to its limited production volume and the historical significance of the salmon dial, which was previously reserved for anniversary editions. On the secondary market, prices typically range between $160,000 and $220,000 depending on condition and provenance. A notable production detail is that this reference was not a limited edition by number but was restricted to Audemars Piguet boutiques, contributing to its scarcity before the 15202 series was discontinued in 2022.", "score": 82}, {"slug": "audemars-piguet-26574st-royal-oak-perpetual-calendar", "brand": "Audemars Piguet", "ref": "26574ST.OO.1220ST.02", "model": "Royal Oak Perpetual Calendar", "case_material": "Stainless Steel", "url": "https://mostexpensivewatches.net/reference/audemars-piguet-26574st-royal-oak-perpetual-calendar", "description": "The Audemars Piguet Royal Oak Perpetual Calendar reference 26574ST.OO.1220ST.02 was introduced in 2015 and remains in production as a core component of the manufacturer’s high-complication catalog. This reference is distinguished by its 41mm stainless steel case and a blue \"Grande Tapisserie\" dial featuring four sub-dials and a photorealistic moon phase. It houses the self-winding caliber 5134, an ultra-thin movement based on the historic caliber 2120, which includes a 52-week indicator displayed via a central hand pointing to the outer chapter ring. Collectors prioritize this model for its balance of traditional high-complication watchmaking with the durability of steel. On the secondary market, this reference typically trades in the $85,000 to $115,000 range depending on condition and provenance. A notable production detail is the transition from the \"Audemars Piguet\" logo to the applied \"AP\" monogram on later examples within the same reference series.", "score": 82}, {"slug": "audemars-piguet-25820pt", "brand": "Audemars Piguet", "ref": "25820PT", "model": "Royal Oak Perpetual Calendar", "case_material": "Platinum", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/audemars-piguet-25820pt", "description": "The Audemars Piguet Royal Oak Perpetual Calendar reference 25820PT was produced from the late 1990s through approximately 2012. This reference is constructed from 950 platinum, featuring a 39mm \"Jumbo\" case profile and an integrated bracelet. It utilizes the self-winding caliber 2120/2802, which is based on the ultra-thin Jaeger-LeCoultre 920 movement. Collectors prioritize this reference for its leap-year indicator on the dial—a feature absent from its predecessor, the 25721—and its traditional 39mm proportions. The platinum variant is significantly heavier and rarer than the steel or gold versions, often featuring a smooth \"Tuscan\" or a classic \"Petite Tapisserie\" dial. Current secondary market prices typically fall within the $150,000 to $250,000 range depending on dial configuration and condition. A notable production detail is the transition from solid casebacks to sapphire display backs during the mid-2000s, which impacts collector preference and value.", "score": 82}]}