{"query": "3647", "brand": null, "total": 2, "limit": 10, "matches": [{"slug": "heuer-3647", "brand": "Heuer", "ref": "3647", "model": "Carrera 45", "case_material": "Stainless Steel", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/heuer-3647", "description": "The Heuer Carrera 45 reference 3647 was produced from approximately 1963 through 1970. Collectors prioritize this reference for its minimalist two-register layout and the manual-wind Valjoux 92 movement, which utilizes a oscillating pinion design rather than the more common Valjoux 72 found in three-register models. The 36mm stainless steel case features the signature sharp, faceted lugs designed by Jack Heuer to maximize legibility and structural durability. Early examples are distinguished by \"Ed Heuer\" bridge stamps and \"Swiss\" only dials, while later iterations transitioned to \"T Swiss\" markings. On the secondary market, these watches typically trade between $5,000 and $9,000 depending on dial configuration and mechanical condition. A notable variant is the 3647T, which features a red tachymeter scale on the outer track, often commanding a premium over the standard silver or black \"D\" decimal dial versions due to its lower production volume.", "score": 199}, {"slug": "heuer-3647n", "brand": "Heuer", "ref": "3647N", "model": "Carrera", "case_material": "Stainless Steel", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/heuer-3647n", "description": "The Heuer Carrera reference 3647N was produced during the 1960s, specifically between approximately 1963 and 1970. Collectors prioritize this reference for its minimalist two-register layout and the manual-wind Valjoux 92 movement, which utilizes a column-wheel mechanism. The \"N\" designation signifies a black (noir) dial, which is rarer than the silver 3647S variant. The 35mm stainless steel case features the signature sharp, faceted lugs designed by Jack Heuer to improve legibility and durability. On the secondary market, prices typically range from $8,000 to $15,000 depending on the presence of the original \"Sunray\" dial finish and the condition of the tritium luminous plots. A notable production detail is the transition from early dials featuring only the Heuer shield to later versions that include the \"Carrera\" name, with the early \"unnamed\" dials often commanding a premium at auction.", "score": 84}]}