{"reference": {"slug": "zenith-calibre", "brand": "Zenith", "ref": "CALIBRE", "model": "Zenith x Voutilainen x Phillips Unique Piece", "case_material": "Niobium", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/zenith-calibre", "description": "The Zenith x Voutilainen x Phillips Unique Piece Calibre 135-O was produced in 2022 as a singular execution for the Geneva Watch Auction: XVI. This reference is valued for its historical movement, a 1950s-era Calibre 135 Observatoire chronometer movement restored and decorated by Kari Voutilainen. Unlike the limited edition of ten pieces in platinum, this unique piece features a 38mm case constructed from niobium, a rare refractory metal. The dial is made of guilloché-engraved blue gold with a matte finish and features a large sub-seconds register. As a unique piece, it does not have a standard secondary market price range, but it achieved a final sale price of 315,000 CHF at auction in November 2022. This specific reference represents the only time a vintage Zenith observatory movement has been housed in a niobium case for public sale."}, "lang": "es", "url": "https://mostexpensivewatches.net/es/alternatives/zenith-calibre", "reference_url": "https://mostexpensivewatches.net/es/reference/zenith-calibre", "review_url": "https://mostexpensivewatches.net/es/review/zenith-calibre", "listing_stats": {"count": 9, "median": 7800.0, "low": 6950.0, "high": 15000.0, "brands": 1, "merchants": 1}, "auction_comp_count": 1, "alternatives": [{"reference": {"slug": "zenith-03", "brand": "Zenith", "ref": "03", "model": "Chronomaster Revival Lupin The Third Unique Piece", "case_material": "Stainless Steel", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/zenith-03", "description": "The Zenith Chronomaster Revival Lupin The Third Unique Piece (Reference 03.L384.400/50.M384) was produced in 2022 as a one-of-one creation to conclude the brand’s collaboration with the Japanese manga series. This 37mm stainless steel timepiece utilizes the El Primero 400 automatic caliber and features a \"split\" dial design that combines the aesthetics of the two previous limited editions. The dial is vertically bisected, showing a semi-glossy black side with grey sub-dials and a creamy white side with black sub-dials. It is paired with a steel ladder-style bracelet. This specific reference was never part of regular production and was sold at a Phillips auction in association with Bacs & Russo in November 2022. It realized a final price of 189,000 CHF. On the secondary market, its value remains in the high-six-figure range due to its status as a unique piece."}, "score": 15, "why_compare": "Same zenith collector universe; shared search intent: piece, unique.", "listing_stats": {"count": 49, "median": 6550.0, "low": 3150.0, "high": 20500.0, "brands": 1, "merchants": 2}, "top_listing": {"id": "h_7200548290635", "title": "Zenith Chronomaster Original Triple Calendar Limited Edition For Hodinkee", "brand": "Zenith", "model": "Chronomaster Original Triple Calendar Limited Edition For Hodinkee", "reference": "03.3401.3610.21.C911", "price_usd": 13500.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "Meteorite", "case_size_mm": 40.0, "movement": "Automatic", "complications": ["Chronograph"], "merchant_slug": "hodinkee", "merchant_name": "Hodinkee Shop", "image_url": "https://cdn.shopify.com/s/files/1/0146/0732/files/Zenith-Soldier-Bracelet-Gray.jpg?v=1727369418", "detail_url": "https://mostexpensivewatches.net/listing/h_7200548290635", "buy_url": "https://mostexpensivewatches.net/out/h_7200548290635", "available": true}, "auction_comp_count": 5, "review_url": "https://mostexpensivewatches.net/es/review/zenith-03", "alternatives_url": "https://mostexpensivewatches.net/es/alternatives/zenith-03"}, {"reference": {"slug": "zenith-40", "brand": "Zenith", "ref": "40", "model": "El Primero A386 Unique Piece", "case_material": "Platinum", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/zenith-40", "description": "The Zenith El Primero A386 Unique Piece in PT950 platinum was produced in 2019 to commemorate the 50th anniversary of the El Primero movement. This specific reference, designated 40.P386.400/57.C842, features a 38mm case and a unique lapis lazuli dial, distinguishing it from the standard tri-color sub-dial configurations of the original 1969 steel models. It houses the high-frequency Calibre 400 automatic chronograph movement. As a unique piece, it was created specifically for the Phillips Geneva Watch Auction: X, where it sold for 250,000 CHF. Because only one example exists, it does not have a standard secondary market price range; however, its valuation remains in the mid-six-figure bracket based on its singular auction history. The watch is notable for being the only vintage-style A386 ever officially produced by Zenith in platinum with a stone dial, and it includes a fifty-year international warranty."}, "score": 15, "why_compare": "Same zenith collector universe; shared search intent: piece, unique.", "listing_stats": {"count": 53, "median": 6450.0, "low": 3150.0, "high": 15000.0, "brands": 1, "merchants": 5}, "top_listing": {"id": "h_7200548290635", "title": "Zenith Chronomaster Original Triple Calendar Limited Edition For Hodinkee", "brand": "Zenith", "model": "Chronomaster Original Triple Calendar Limited Edition For Hodinkee", "reference": "03.3401.3610.21.C911", "price_usd": 13500.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "Meteorite", "case_size_mm": 40.0, "movement": "Automatic", "complications": ["Chronograph"], "merchant_slug": "hodinkee", "merchant_name": "Hodinkee Shop", "image_url": "https://cdn.shopify.com/s/files/1/0146/0732/files/Zenith-Soldier-Bracelet-Gray.jpg?v=1727369418", "detail_url": "https://mostexpensivewatches.net/listing/h_7200548290635", "buy_url": "https://mostexpensivewatches.net/out/h_7200548290635", "available": true}, "auction_comp_count": 10, "review_url": "https://mostexpensivewatches.net/es/review/zenith-40", "alternatives_url": "https://mostexpensivewatches.net/es/alternatives/zenith-40"}, {"reference": {"slug": "voutilainen-calibre", "brand": "Voutilainen", "ref": "CALIBRE", "model": "Zenith x Voutilainen x Phillips Calibre 135-O", "case_material": "Niobium", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/voutilainen-calibre"}, "score": 11, "why_compare": "Shared search intent: calibre, niobium; similar niobium case profile.", "listing_stats": {"count": 0, "median": 0, "low": 0, "high": 0}, "top_listing": null, "auction_comp_count": 1, "review_url": "https://mostexpensivewatches.net/es/review/voutilainen-calibre", "alternatives_url": "https://mostexpensivewatches.net/es/alternatives/voutilainen-calibre"}, {"reference": {"slug": "zenith-tipo", "brand": "Zenith", "ref": "TIPO", "model": "A. Cairelli Chronograph", "case_material": "Stainless Steel", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/zenith-tipo", "description": "Produced between the mid-1960s and early 1970s, the Zenith A. Cairelli CP-2 was commissioned by the Italian Ministry of Defense through the Rome-based distributor A. Cairelli. Collectors prioritize this reference for its 43mm stainless steel case, rotating 60-minute bezel, and the manual-wind caliber 146DP movement. Approximately 2,500 units were manufactured, with many issued to the Aeronautica Militare Italiana (A.M.I.), though some remained in civilian stock. Military-issued examples are distinguished by \"A.M.I.\" or \"M.M.\" engravings and inventory numbers on the caseback. On the secondary market, prices typically range from $12,000 to $25,000 depending on the presence of military markings and original dial condition. A notable production detail is the matte black dial featuring two registers and tritium Arabic numerals. While Zenith released a modern \"Heritage\" reissue in 2016, the original vintage reference remains the primary focus for military chronograph collectors."}, "score": 11, "why_compare": "Same zenith collector universe; shared search intent: zenith.", "listing_stats": {"count": 10, "median": 8800.0, "low": 6950.0, "high": 15000.0, "brands": 1, "merchants": 2}, "top_listing": {"id": "h_8379639464115", "title": "Zenith Zenith DEFY Skyline C.X Ceramic Edition (Pre-owned)", "brand": "Zenith", "model": "Zenith DEFY Skyline C.X Ceramic Edition (Pre-owned)", "reference": "—", "price_usd": 15000.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "High-Tech Ceramic", "case_size_mm": 40.0, "movement": "Automatic", "complications": ["Chronograph"], "merchant_slug": "collective-horology", "merchant_name": "Collective Horology", "image_url": "https://cdn.shopify.com/s/files/1/0559/0623/8643/files/PB210230-2.jpg?v=1763862204", "detail_url": "https://mostexpensivewatches.net/listing/h_8379639464115", "buy_url": "https://mostexpensivewatches.net/out/h_8379639464115", "available": false}, "auction_comp_count": 2, "review_url": "https://mostexpensivewatches.net/es/review/zenith-tipo", "alternatives_url": "https://mostexpensivewatches.net/es/alternatives/zenith-tipo"}, {"reference": {"slug": "zenith-18", "brand": "Zenith", "ref": "18", "model": "Academy Force Constante Georges Favre-Jacot", "case_material": "18k Pink Gold", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/zenith-18", "description": "Released in 2014 to commemorate Zenith’s 150th anniversary, the Zenith Academy Force Constante Georges Favre-Jacot (Reference 18.2210.4805/01.C713) was produced as a limited edition of 150 pieces in 18k pink gold. Collectors prioritize this reference for the manual-wind El Primero Calibre 4805, which integrates a fusée-and-chain transmission system designed to ensure constant force throughout the movement's 50-hour power reserve. The 45mm case features an open-dial architecture, exposing the chain mechanism between 10 and 2 o’clock and the high-frequency 36,000 vph escapement at 6 o’clock. On the secondary market, this model typically trades in the $45,000 to $65,000 range, representing a significant decrease from its original retail price of approximately $82,000. While the pink gold version is the primary reference, Zenith later released a titanium variant under the \"Academy Christophe Colomb\" lineage featuring similar constant-force technology but different case dimensions."}, "score": 11, "why_compare": "Same zenith collector universe; shared search intent: zenith.", "listing_stats": {"count": 19, "median": 9800.0, "low": 6000.0, "high": 19900.0, "brands": 1, "merchants": 5}, "top_listing": {"id": "h_16001967522137", "title": "Zenith Zenith El-Primero Covergirl Chronograph ref. A3818", "brand": "Zenith", "model": "Zenith El-Primero Covergirl Chronograph ref. A3818", "reference": "W-3545", "price_usd": 19900.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "Stainless Steel", "case_size_mm": 40.0, "movement": "Automatic", "complications": ["Chronograph"], "merchant_slug": "bulang-and-sons", "merchant_name": "Bulang & Sons", "image_url": "https://cdn.shopify.com/s/files/1/0961/8613/8969/files/W-3545ZenithElPrimeroCovergirlchronographrefA3818_380_1x1_931c2880-3c1e-49d1-aa21-087738a1a575.jpg?v=1766142528", "detail_url": "https://mostexpensivewatches.net/listing/h_16001967522137", "buy_url": "https://mostexpensivewatches.net/out/h_16001967522137", "available": false}, "auction_comp_count": 2, "review_url": "https://mostexpensivewatches.net/es/review/zenith-18", "alternatives_url": "https://mostexpensivewatches.net/es/alternatives/zenith-18"}, {"reference": {"slug": "zenith-4002", "brand": "Zenith", "ref": "4002", "model": "Captain Chronograph Only Watch 2011", "case_material": "18k Pink Gold", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/zenith-4002", "description": "The Zenith Captain Chronograph Only Watch 2011, reference 18.2111.4002/01.C708, is a unique piece produced specifically for the 2011 Only Watch charity auction. This model features a 42mm case constructed from 18k pink gold and is powered by the El Primero Calibre 4002, a high-frequency automatic movement operating at 36,000 vibrations per hour. The dial is silver-toned with a sunray pattern, distinguished by a specific \"Only Watch 2011\" inscription located at the 6 o'clock position. As a unique piece, it does not have a standard production run or a typical secondary market price range; however, it originally sold at auction for 20,000 CHF. While standard Captain Chronograph models in gold typically trade between $8,000 and $12,000, this specific reference remains a singular item in private hands. Its primary value to collectors lies in its unique provenance and the specific commemorative dial branding."}, "score": 11, "why_compare": "Same zenith collector universe; shared search intent: zenith.", "listing_stats": {"count": 14, "median": 9275.0, "low": 3800.0, "high": 15000.0, "brands": 1, "merchants": 2}, "top_listing": {"id": "h_8379639464115", "title": "Zenith Zenith DEFY Skyline C.X Ceramic Edition (Pre-owned)", "brand": "Zenith", "model": "Zenith DEFY Skyline C.X Ceramic Edition (Pre-owned)", "reference": "—", "price_usd": 15000.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "High-Tech Ceramic", "case_size_mm": 40.0, "movement": "Automatic", "complications": ["Chronograph"], "merchant_slug": "collective-horology", "merchant_name": "Collective Horology", "image_url": "https://cdn.shopify.com/s/files/1/0559/0623/8643/files/PB210230-2.jpg?v=1763862204", "detail_url": "https://mostexpensivewatches.net/listing/h_8379639464115", "buy_url": "https://mostexpensivewatches.net/out/h_8379639464115", "available": false}, "auction_comp_count": 1, "review_url": "https://mostexpensivewatches.net/es/review/zenith-4002", "alternatives_url": "https://mostexpensivewatches.net/es/alternatives/zenith-4002"}, {"reference": {"slug": "zenith-a384", "brand": "Zenith", "ref": "A384", "model": "Chronomaster Revival Liberty", "case_material": "Stainless Steel", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/zenith-a384", "description": "The Zenith Chronomaster Revival Liberty, reference 03.US384.400/57.C823, was released in 2020 as a North American regional exclusive limited to 150 pieces. This model utilizes the 37mm stainless steel tonneau-shaped case based on the original 1969 A384 blueprints. It features a matte blue dial with a white tachymeter scale and a red-and-white striped central chronograph hand. The watch is powered by the El Primero 400 automatic high-frequency movement, operating at 36,000 vibrations per hour with a 50-hour power reserve. Collectors value this reference for its specific color palette and limited production volume compared to standard boutique editions. On the secondary market, prices typically range between $6,500 and $8,500 depending on condition and the presence of original packaging. While most A384 revivals feature standard date wheels, this variant includes a color-matched blue date window at the 4:30 position."}, "score": 11, "why_compare": "Same zenith collector universe; shared search intent: zenith.", "listing_stats": {"count": 13, "median": 7800.0, "low": 6750.0, "high": 15000.0, "brands": 1, "merchants": 3}, "top_listing": {"id": "h_8379639464115", "title": "Zenith Zenith DEFY Skyline C.X Ceramic Edition (Pre-owned)", "brand": "Zenith", "model": "Zenith DEFY Skyline C.X Ceramic Edition (Pre-owned)", "reference": "—", "price_usd": 15000.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "High-Tech Ceramic", "case_size_mm": 40.0, "movement": "Automatic", "complications": ["Chronograph"], "merchant_slug": "collective-horology", "merchant_name": "Collective Horology", "image_url": "https://cdn.shopify.com/s/files/1/0559/0623/8643/files/PB210230-2.jpg?v=1763862204", "detail_url": "https://mostexpensivewatches.net/listing/h_8379639464115", "buy_url": "https://mostexpensivewatches.net/out/h_8379639464115", "available": false}, "auction_comp_count": 2, "review_url": "https://mostexpensivewatches.net/es/review/zenith-a384", "alternatives_url": "https://mostexpensivewatches.net/es/alternatives/zenith-a384"}, {"reference": {"slug": "zenith-95", "brand": "Zenith", "ref": "95", "model": "Chronomaster Revival Lupin the Third", "case_material": "Titanium", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/zenith-95", "description": "The Zenith Chronomaster Revival Lupin the Third Final Edition (Reference 95.L384.400/50.M384) was released in 2022 as a limited edition of 250 units, concluding a series inspired by the Japanese manga and anime. This reference utilizes a 37mm micro-blasted titanium case, a departure from the steel used in previous iterations, and houses the El Primero 400 automatic chronograph movement. The dial is a \"split\" design, vertically bisecting the aesthetics of the first and second Lupin editions; the left side features a semi-matte black finish with grey sub-dials, while the right side is creamy white with black sub-dials. This reference is the first time Zenith combined two distinct dial patterns into a single production watch. On the secondary market, prices typically range between $15,000 and $22,000. While the first two editions were region-specific or boutique exclusives, this final titanium version saw a broader global distribution."}, "score": 11, "why_compare": "Same zenith collector universe; shared search intent: zenith.", "listing_stats": {"count": 14, "median": 7700.0, "low": 3900.0, "high": 15000.0, "brands": 1, "merchants": 3}, "top_listing": {"id": "h_8379639464115", "title": "Zenith Zenith DEFY Skyline C.X Ceramic Edition (Pre-owned)", "brand": "Zenith", "model": "Zenith DEFY Skyline C.X Ceramic Edition (Pre-owned)", "reference": "—", "price_usd": 15000.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "High-Tech Ceramic", "case_size_mm": 40.0, "movement": "Automatic", "complications": ["Chronograph"], "merchant_slug": "collective-horology", "merchant_name": "Collective Horology", "image_url": "https://cdn.shopify.com/s/files/1/0559/0623/8643/files/PB210230-2.jpg?v=1763862204", "detail_url": "https://mostexpensivewatches.net/listing/h_8379639464115", "buy_url": "https://mostexpensivewatches.net/out/h_8379639464115", "available": false}, "auction_comp_count": 1, "review_url": "https://mostexpensivewatches.net/es/review/zenith-95", "alternatives_url": "https://mostexpensivewatches.net/es/alternatives/zenith-95"}, {"reference": {"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": 11, "why_compare": "Same zenith collector universe; shared search intent: zenith.", "listing_stats": {"count": 22, "median": 7125.0, "low": 5100.0, "high": 15000.0, "brands": 1, "merchants": 2}, "top_listing": {"id": "h_7200548290635", "title": "Zenith Chronomaster Original Triple Calendar Limited Edition For Hodinkee", "brand": "Zenith", "model": "Chronomaster Original Triple Calendar Limited Edition For Hodinkee", "reference": "03.3401.3610.21.C911", "price_usd": 13500.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "Meteorite", "case_size_mm": 40.0, "movement": "Automatic", "complications": ["Chronograph"], "merchant_slug": "hodinkee", "merchant_name": "Hodinkee Shop", "image_url": "https://cdn.shopify.com/s/files/1/0146/0732/files/Zenith-Soldier-Bracelet-Gray.jpg?v=1727369418", "detail_url": "https://mostexpensivewatches.net/listing/h_7200548290635", "buy_url": "https://mostexpensivewatches.net/out/h_7200548290635", "available": true}, "auction_comp_count": 2, "review_url": "https://mostexpensivewatches.net/es/review/zenith-39", "alternatives_url": "https://mostexpensivewatches.net/es/alternatives/zenith-39"}, {"reference": {"slug": "zenith-04", "brand": "Zenith", "ref": "04", "model": "Defy Double Tourbillon Felipe Pantone Only Watch 2021", "case_material": "Sapphire Crystal", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/zenith-04", "description": "The Zenith Defy Double Tourbillon Felipe Pantone Only Watch 2021 is a unique piece produced specifically for the 2021 Only Watch charity auction. This reference features a 46mm case constructed entirely from transparent sapphire crystal, housing the El Primero 9020 automatic movement. This caliber includes two independent tourbillons: one rotating every 60 seconds for timekeeping and another rotating every five seconds for the 1/100th-of-a-second chronograph. Collectors value the collaboration with artist Felipe Pantone, which incorporates an interference colors finish on the movement bridges and a rainbow-gradient dial achieved through PVD treatment. As a one-of-one production, it does not have a standard secondary market price range, though it achieved a final hammer price of 480,000 CHF at the Christie’s 2021 auction. This specific unit remains the only sapphire-cased Double Tourbillon featuring Pantone’s signature optical art aesthetic and multi-colored sapphire indices."}, "score": 11, "why_compare": "Same zenith collector universe; shared search intent: zenith.", "listing_stats": {"count": 30, "median": 6262.5, "low": 3150.0, "high": 15000.0, "brands": 1, "merchants": 5}, "top_listing": {"id": "h_8379639464115", "title": "Zenith Zenith DEFY Skyline C.X Ceramic Edition (Pre-owned)", "brand": "Zenith", "model": "Zenith DEFY Skyline C.X Ceramic Edition (Pre-owned)", "reference": "—", "price_usd": 15000.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "High-Tech Ceramic", "case_size_mm": 40.0, "movement": "Automatic", "complications": ["Chronograph"], "merchant_slug": "collective-horology", "merchant_name": "Collective Horology", "image_url": "https://cdn.shopify.com/s/files/1/0559/0623/8643/files/PB210230-2.jpg?v=1763862204", "detail_url": "https://mostexpensivewatches.net/listing/h_8379639464115", "buy_url": "https://mostexpensivewatches.net/out/h_8379639464115", "available": false}, "auction_comp_count": 2, "review_url": "https://mostexpensivewatches.net/es/review/zenith-04", "alternatives_url": "https://mostexpensivewatches.net/es/alternatives/zenith-04"}, {"reference": {"slug": "zenith-a3817", "brand": "Zenith", "ref": "A3817", "model": "El Primero", "case_material": "Stainless Steel", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/zenith-a3817", "description": "The Zenith El Primero A3817 was produced in 1971 with a total production run of approximately 1,000 units. Collectors prioritize this reference because it combines the tonneau-shaped stainless steel case of the A384 with the tri-color sub-dial aesthetic of the A386. It houses the high-frequency caliber 3019 PHC automatic chronograph movement. A distinguishing technical feature is the presence of a blue sub-seconds track with a pyramid-style scale, which is unique to this specific reference. On the secondary market, prices typically range from $12,000 to $20,000 depending on the condition and the presence of the original Gay Frères ladder bracelet. A notable production detail is that the A3817 is one of the rarest of the original 1969-1971 El Primero references, often considered a transitional design between the brand’s early experimental cases and its most recognized dial configurations."}, "score": 11, "why_compare": "Same zenith collector universe; shared search intent: zenith.", "listing_stats": {"count": 56, "median": 6647.5, "low": 3150.0, "high": 23800.0, "brands": 1, "merchants": 6}, "top_listing": {"id": "h_7450482114647", "title": "Zenith Zenith Chronomaster El Primero 1969 'Rolling Stones Edition'", "brand": "Zenith", "model": "Zenith Chronomaster El Primero 1969 'Rolling Stones Edition'", "reference": "1969", "price_usd": 8450.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "Stainless Steel", "case_size_mm": 40.0, "movement": "Automatic", "complications": ["Chronograph"], "merchant_slug": "analog-shift", "merchant_name": "Analog/Shift", "image_url": "https://cdn.shopify.com/s/files/1/0809/1255/files/AS10794_40992444_ZENITH_ELPRIMEROCHRONOMASTER1969_96.2260.4061-21.R575-5.jpg?v=1753224324", "detail_url": "https://mostexpensivewatches.net/listing/h_7450482114647", "buy_url": "https://mostexpensivewatches.net/out/h_7450482114647", "available": true}, "auction_comp_count": 1, "review_url": "https://mostexpensivewatches.net/es/review/zenith-a3817", "alternatives_url": "https://mostexpensivewatches.net/es/alternatives/zenith-a3817"}, {"reference": {"slug": "zenith-a3818", "brand": "Zenith", "ref": "A3818", "model": "El Primero", "case_material": "Stainless Steel", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/zenith-a3818", "description": "The Zenith El Primero A3818, nicknamed the \"Cover Girl,\" was produced between 1971 and 1972 with a total production run of approximately 1,000 units. Collectors prioritize this reference for its blue sunray dial featuring a \"shark tooth\" scale, which includes vertical sub-dial markings and a tachymeter integrated into the minute track. It utilizes the high-frequency El Primero 3019 PHC automatic chronograph movement housed in a 37mm stainless steel tonneau-shaped case. On the secondary market, vintage examples typically range from $15,000 to $25,000 depending on condition and the presence of the original Gay Frères ladder bracelet. A notable production detail is its appearance on the cover of Manfred Rössler’s book on Zenith, which solidified its nomenclature. In 2020, Zenith released a modern revival edition in collaboration with Revolution & The Rake, limited to 100 pieces, which maintains high resale value."}, "score": 11, "why_compare": "Same zenith collector universe; shared search intent: zenith.", "listing_stats": {"count": 56, "median": 6647.5, "low": 3150.0, "high": 23800.0, "brands": 1, "merchants": 6}, "top_listing": {"id": "h_7450482114647", "title": "Zenith Zenith Chronomaster El Primero 1969 'Rolling Stones Edition'", "brand": "Zenith", "model": "Zenith Chronomaster El Primero 1969 'Rolling Stones Edition'", "reference": "1969", "price_usd": 8450.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "Stainless Steel", "case_size_mm": 40.0, "movement": "Automatic", "complications": ["Chronograph"], "merchant_slug": "analog-shift", "merchant_name": "Analog/Shift", "image_url": "https://cdn.shopify.com/s/files/1/0809/1255/files/AS10794_40992444_ZENITH_ELPRIMEROCHRONOMASTER1969_96.2260.4061-21.R575-5.jpg?v=1753224324", "detail_url": "https://mostexpensivewatches.net/listing/h_7450482114647", "buy_url": "https://mostexpensivewatches.net/out/h_7450482114647", "available": true}, "auction_comp_count": 1, "review_url": "https://mostexpensivewatches.net/es/review/zenith-a3818", "alternatives_url": "https://mostexpensivewatches.net/es/alternatives/zenith-a3818"}]}