{"listing": {"id": "h_7451773829207", "title": "Zenith Zenith Chronomaster El Primero 'Range Rover'", "brand": "Zenith", "model": "Zenith Chronomaster El Primero 'Range Rover'", "reference": "40992442", "price_usd": 6750.0, "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/AS10792_40992442_ZENITH_ELPRIMEROCHRONOMASTER_24.2042.400-27.R799-6.jpg?v=1754070702", "detail_url": "https://mostexpensivewatches.net/listing/h_7451773829207", "buy_url": "https://mostexpensivewatches.net/out/h_7451773829207", "available": true}, "lang": "en", "url": "https://mostexpensivewatches.net/listing/h_7451773829207", "alternatives_url": "https://mostexpensivewatches.net/api/v1/listing/h_7451773829207/alternatives", "lower_priced": [{"id": "h_7448222072919", "title": "Zenith Zenith Chronomaster El Primero 'Range Rover'", "brand": "Zenith", "model": "Zenith Chronomaster El Primero 'Range Rover'", "reference": "40992438", "price_usd": 6450.0, "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/AS10788_40992438_ZENITH_ELPRIMERORANGEROVER_24.2040.400-27.R797-6_caeac2ed-9076-422c-a7ef-9d7009e3890e.jpg?v=1753223772", "detail_url": "https://mostexpensivewatches.net/listing/h_7448222072919", "buy_url": "https://mostexpensivewatches.net/out/h_7448222072919", "available": true}, {"id": "h_7448257003607", "title": "Zenith Zenith Chronomaster El Primero 'Range Rover'", "brand": "Zenith", "model": "Zenith Chronomaster El Primero 'Range Rover'", "reference": "40992437", "price_usd": 6450.0, "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/AS10787_40992437_ZENITH_CHRONOMASTERELPRIMERO_24.2040.400-27.R796-5.jpg?v=1753223359", "detail_url": "https://mostexpensivewatches.net/listing/h_7448257003607", "buy_url": "https://mostexpensivewatches.net/out/h_7448257003607", "available": true}], "similar_listings": [], "cohort": {"count": 3, "median": 6450.0, "low": 6450.0, "high": 6750.0, "brands": 1, "merchants": 1, "listing_price": 6750.0, "position": "highest", "delta_vs_median_pct": 4.7}, "reference": {"slug": "zenith-a3817", "ref": "A3817", "brand": "Zenith", "model": "El Primero", "url": "https://mostexpensivewatches.net/reference/zenith-a3817", "alternatives_url": "https://mostexpensivewatches.net/api/alternatives/zenith-a3817"}, "cross_reference_alternatives": [{"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": 20, "why_compare": "Same zenith collector universe; shared search intent: primero, stainless; similar steel case profile.", "listing_stats": {"count": 52, "median": 6750.0, "low": 3150.0, "high": 23800.0, "brands": 1, "merchants": 5}, "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/review/zenith-a3818", "alternatives_url": "https://mostexpensivewatches.net/alternatives/zenith-a3818"}, {"reference": {"slug": "zenith-a386", "brand": "Zenith", "ref": "A386", "model": "El Primero", "case_material": "Stainless Steel", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/zenith-a386", "description": "The Zenith El Primero A386 was produced between 1969 and approximately 1971, with an estimated total production of 2,500 units. Collectors prioritize this reference as the original housing for the Calibre 3019 PHC, one of the first integrated automatic chronograph movements operating at 36,000 vibrations per hour. The 38mm stainless steel case features a tri-color dial with overlapping sub-dials in silver, anthracite, and blue, a design distinct to this initial release. On the secondary market, prices typically range from $15,000 to over $25,000 depending on the presence of the original \"ladder\" bracelet manufactured by Gay Frères and the condition of the tritium lume. A notable production detail is the \"Mk 1\" dial variant, which lacks the \"36000 VpH\" text found on later iterations. In 2019, a unique platinum version created for Phillips auction house sold for 250,000 CHF, though steel examples remain the standard for vintage collectors."}, "score": 20, "why_compare": "Same zenith collector universe; shared search intent: primero, stainless; similar steel case profile.", "listing_stats": {"count": 52, "median": 6750.0, "low": 3150.0, "high": 23800.0, "brands": 1, "merchants": 5}, "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": 6, "review_url": "https://mostexpensivewatches.net/review/zenith-a386", "alternatives_url": "https://mostexpensivewatches.net/alternatives/zenith-a386"}, {"reference": {"slug": "zenith-01", "brand": "Zenith", "ref": "01", "model": "El Primero Chronomaster Limited Edition", "case_material": "Stainless Steel", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/zenith-01", "description": "The Zenith El Primero Chronomaster Limited Edition 01, reference 03.20416.4061/51.M2040, was released in 2016 as a limited production of 500 units. Collectors prioritize this reference for its 42mm stainless steel case and the caliber 4061 automatic movement, which features a 50-hour power reserve and a 36,000 vibrations per hour frequency. The dial is distinguished by its sunray blue finish and an \"Open\" heart aperture at the 10 o'clock position, revealing the silicon escape wheel and lever. This specific edition was commissioned for the Americas market, featuring a caseback engraved with \"United States & Canada Edition.\" On the secondary market, this reference typically trades between $5,500 and $7,500 depending on the presence of the original steel bracelet or alligator strap. While most Chronomaster Open models are standard production, the 500-piece limitation and specific regional designation drive its specific collector interest."}, "score": 20, "why_compare": "Same zenith collector universe; shared search intent: primero, stainless; similar steel case profile.", "listing_stats": {"count": 24, "median": 7775.0, "low": 3800.0, "high": 15800.0, "brands": 1, "merchants": 4}, "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": 7, "review_url": "https://mostexpensivewatches.net/review/zenith-01", "alternatives_url": "https://mostexpensivewatches.net/alternatives/zenith-01"}, {"reference": {"slug": "zenith-1205sp", "brand": "Zenith", "ref": "1205SP", "model": "El Primero Prototype", "case_material": "Stainless Steel", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/zenith-1205sp", "description": "The Zenith El Primero Prototype 1205SP is a pre-production chronograph manufactured between 1967 and 1969 during the development of the caliber 3019 PHC. Collectors prioritize this reference because it represents the earliest physical implementation of the high-frequency integrated automatic chronograph movement. The 1205SP features a 37mm stainless steel case with a screw-down caseback and a distinctive silver sunburst dial characterized by a date window at the 4:30 position and a lack of the \"El Primero\" branding found on later production models like the A384. Due to its status as a developmental prototype, production was limited to a small number of units, making it significantly rarer than standard production references. On the secondary market, these prototypes typically command prices in the mid-to-high five-figure range. A notable example sold at a 2019 Phillips auction for approximately 75,000 CHF, highlighting its historical importance as a functional testbed for the movement."}, "score": 20, "why_compare": "Same zenith collector universe; shared search intent: primero, stainless; similar steel case profile.", "listing_stats": {"count": 9, "median": 7800.0, "low": 6950.0, "high": 15000.0, "brands": 1, "merchants": 1}, "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/review/zenith-1205sp", "alternatives_url": "https://mostexpensivewatches.net/alternatives/zenith-1205sp"}, {"reference": {"slug": "zenith-3019", "brand": "Zenith", "ref": "3019", "model": "El Primero Prototype", "case_material": "Stainless Steel", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/zenith-3019", "description": "The Zenith El Primero 3019 PHC prototype in stainless steel was produced between 1968 and 1969 as a pre-series development piece for the world’s first integrated automatic high-beat chronograph. Collectors value this reference for its historical role as a functional testbed for the 36,000 vph caliber 3019 movement. These prototypes typically feature 38mm cases with distinct dial variations, including \"ghost\" or \"panda\" configurations that lack the final production branding or tachymeter scales found on the subsequent A384 or A386 models. Due to their extreme rarity and status as pre-production artifacts, these watches rarely appear on the open market. When they do, secondary market prices typically occupy the high-five-figure to low-six-figure range. A notable 2020 Phillips auction saw a steel prototype with a unique grey dial sell for approximately 250,000 CHF, highlighting the premium placed on documented development pieces."}, "score": 20, "why_compare": "Same zenith collector universe; shared search intent: primero, stainless; similar steel case profile.", "listing_stats": {"count": 9, "median": 7800.0, "low": 6950.0, "high": 15000.0, "brands": 1, "merchants": 1}, "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/review/zenith-3019", "alternatives_url": "https://mostexpensivewatches.net/alternatives/zenith-3019"}, {"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": 18, "why_compare": "Same zenith collector universe; shared search intent: stainless, steel; similar steel case profile.", "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/review/zenith-tipo", "alternatives_url": "https://mostexpensivewatches.net/alternatives/zenith-tipo"}]}