{"query": "39", "brand": null, "total": 10, "limit": 10, "matches": [{"slug": "zenith-39", "brand": "Zenith", "ref": "39", "model": "Chronomaster Triple Calendar", "case_material": "Platinum", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/zenith-39", "description": "The Zenith Chronomaster Triple Calendar in platinum, specifically reference 17.0240.410, was produced during the mid-to-late 1990s and early 2000s. Collectors target this reference for its 39mm case diameter and the El Primero Caliber 410, an integrated high-beat automatic chronograph movement featuring a full calendar and moonphase. This specific platinum execution is distinguished by its weight and a silver or blue sunray dial, often featuring applied rhodium-plated indices. Unlike the more common steel variants, the platinum version was produced in limited quantities, representing a high-end complication from the brand’s transitional era. On the secondary market, these pieces typically trade between $12,000 and $18,000 depending on the presence of the original platinum deployment buckle and service history. A notable production detail is the \"Z\" series or limited editions featuring chronometer certification, which often command a premium at specialized watch auctions.", "score": 197}, {"slug": "a-lange-sohne-116-039-lange-1-time-zone", "brand": "A. Lange & Söhne", "ref": "116.039", "model": "Lange 1 Time Zone", "case_material": "18k White Gold", "url": "https://mostexpensivewatches.net/reference/a-lange-sohne-116-039-lange-1-time-zone", "description": "The A. Lange & Söhne Lange 1 Time Zone reference 116.039 was introduced in 2012 and remained in production until approximately 2020. This reference features a 41.9mm case crafted from 18k white gold paired with a luminous silver dial, a combination that distinguishes it from the non-luminous standard production models. It is powered by the manual-wind caliber L031.1, which provides a 72-hour power reserve and features a sophisticated city ring mechanism for tracking a second time zone. Collectors value this specific reference for its functional legibility in low light and its representation of the original Lange 1 Time Zone architecture before the 2020 movement update. On the secondary market, this reference typically trades between $45,000 and $55,000 depending on condition and completeness. While not a limited edition, its production volume was lower than the standard rose gold variants, maintaining steady demand among brand specialists.", "score": 82}, {"slug": "audemars-piguet-26394or-code-11-59-perpetual-calendar", "brand": "Audemars Piguet", "ref": "26394OR.OO.D321CR.01", "model": "Code 11.59 Perpetual Calendar", "case_material": "18k Pink Gold", "url": "https://mostexpensivewatches.net/reference/audemars-piguet-26394or-code-11-59-perpetual-calendar", "description": "The Audemars Piguet Code 11.59 Perpetual Calendar reference 26394OR.OO.D321CR.01 was introduced in 2019 as part of the collection's initial launch and remains in the current catalog. This reference features an 18k pink gold case with a complex three-piece architecture, including an octagonal middle section and hollowed lugs. Collectors focus on the aventurine glass dial, which mimics a starry night sky and includes a photorealistic moon phase at 6 o’clock. It is powered by the self-winding Calibre 5134, an ultra-thin movement measuring 4.31mm in thickness that provides a 40-hour power reserve and displays the week of the year via a dedicated central hand. On the secondary market, this model typically trades in the $75,000 to $95,000 range. A notable production detail is that the aventurine dial requires a specific manufacturing process where copper inclusions are infused into glass to create the reflective effect.", "score": 82}, {"slug": "breguet-3910", "brand": "Breguet", "ref": "3910", "model": "Classique", "case_material": "18k Yellow Gold", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/breguet-3910", "description": "The Breguet Classique reference 3910 was produced during the 1990s and early 2000s and is currently discontinued. Collectors seek this reference for its traditional 34mm 18k yellow gold case featuring the brand’s signature coin-edge fluting and straight lugs with screw-bars. The dial is solid gold with silvered engine-turning, executed in a \"clous de Paris\" pattern, and utilizes heat-blued steel Breguet hands. It is powered by the manual-wind Caliber 818/5, a movement based on a Lemania ebauche, which includes a small seconds sub-dial at the 6 o'clock position. On the secondary market, the 3910 typically trades between $6,000 and $9,000 depending on the presence of original box and papers. While the yellow gold version is the most common, a white gold variant, reference 3910G, was produced in smaller quantities and often commands a slight premium at auction.", "score": 82}, {"slug": "breguet-1039", "brand": "Breguet", "ref": "1039", "model": "Triple Calendar", "case_material": "18k Yellow Gold", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/breguet-1039", "description": "The Breguet Reference 1039 is a mid-century triple calendar wristwatch produced in limited quantities during the 1950s and 1960s. Collectors prioritize this reference for its 36mm 18k yellow gold case, which features the brand’s signature coin-edge fluting and straight lugs. The dial typically displays a hand-guilloché center, Roman numerals on a brushed chapter ring, and apertures for the day and month, powered by a manual-wind Valjoux-based caliber. This reference represents the neo-classical aesthetic established by the house before the quartz crisis. On the secondary market, these timepieces generally command prices between $35,000 and $60,000 depending on provenance and condition. A notable example appeared at a 2017 Christie’s auction, where a well-preserved specimen sold for approximately $47,500. Production numbers remained low, as Breguet’s total annual output during this era was significantly more restricted than modern production levels.", "score": 82}, {"slug": "breguet-3999ba", "brand": "Breguet", "ref": "3999BA", "model": "Classique Hong Kong Handover", "case_material": "18k Yellow Gold", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/breguet-3999ba", "description": "The Breguet Classique reference 3999BA was produced in 1997 as a limited edition of 28 pieces to commemorate the handover of Hong Kong. This reference features a 36mm case in 18k yellow gold with the signature coin-edge profile and straight lugs. It utilizes the self-winding Caliber 502, an ultra-thin movement visible through a sapphire caseback. The solid gold dial is silvered and hand-guilloché, featuring a specific power reserve indicator at 11 o’clock and a date window at 6 o’clock. Collectors value this model for its extreme rarity and its status as one of the few modern Breguet limited editions tied to a specific geopolitical event. On the secondary market, these pieces typically trade between $15,000 and $25,000 depending on condition and the presence of original documentation. A notable auction result occurred at Sotheby’s in 2017, where a well-preserved example realized approximately $18,000.", "score": 82}, {"slug": "cartier-2396", "brand": "Cartier", "ref": "2396", "model": "Tortue Monopoussoir", "case_material": "18k White Gold", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/cartier-2396", "description": "The Cartier Tortue Monopoussoir reference 2396 in 18k white gold was produced between 1998 and approximately 2008 as part of the Collection Privée Cartier Paris (CPCP). Collectors prioritize this reference for its manual-wind caliber 045MC, a column-wheel monopusher chronograph movement designed by THA Èbauche, a collaborative venture involving Vianney Halter, Denis Flageollet, and François-Paul Journe. The 34mm by 43mm tonneau case features a sapphire caseback and a silvered guilloché dial with a central rose motif and blued steel hands. Secondary market prices typically range from $45,000 to $65,000 depending on condition and the presence of original accessories. While the white gold model was not a numbered limited edition, its production volume was significantly lower than standard Cartier lines. A notable variant includes the larger XL reference 2714, though the 2396 remains favored for its historically accurate proportions.", "score": 82}, {"slug": "iwc-iw390204", "brand": "IWC", "ref": "IW390204", "model": "Portuguese Yacht Club Chronograph", "case_material": "Stainless Steel", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/iwc-iw390204", "description": "The IWC Portuguese Yacht Club Chronograph reference IW390204 was produced between approximately 2010 and 2014 as part of the first generation of the modern Yacht Club line. Collectors focus on this reference for its integration of the in-house Calibre 89360, which features a flyback function and a unique totalizer at 12 o’clock that displays both elapsed hours and minutes on a single sub-dial. The 45.4mm stainless steel case includes a screw-down crown and 60-meter water resistance, distinguishing it from the standard Portugieser line. This specific reference is characterized by its black dial with red accents and a rubber strap. On the secondary market, the IW390204 typically trades between $6,000 and $8,500 depending on condition and the presence of original documentation. While the 3902 series was later replaced by the smaller 43.5mm IW3905, the IW390204 remains noted for its larger case proportions.", "score": 82}, {"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": 82}, {"slug": "omega-87233956", "brand": "Omega", "ref": "87233956", "model": "Seamaster 300 Prototype", "case_material": "Stainless Steel", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/omega-87233956", "description": "The Omega Seamaster 300 Prototype 87233956 is an experimental stainless steel diver produced in the late 1960s, specifically around 1968. Collectors prioritize this reference due to its unique case construction, which features a massive, asymmetrical \"bullhead\" or \"helmet\" design intended to test ergonomic crown placements and enhanced water resistance. It houses the manual-wind Calibre 861 movement, the same caliber utilized in the Speedmaster Professional of that era. The dial typically features a matte black finish with oversized luminous markers and a distinctive orange central chronograph hand. Because these were internal prototypes and never reached mass production, they are exceptionally rare, with only a few known examples in private hands. On the secondary market, these prototypes occupy a high-value bracket, typically transacting in the mid-to-high five-figure range. A notable example sold at a 2018 Phillips auction for approximately 50,000 CHF.", "score": 82}]}