{"id":25063,"date":"2026-09-22T11:38:41","date_gmt":"2026-09-22T11:38:41","guid":{"rendered":"https:\/\/www.lemuseonline.com\/prodotto\/longines-flagship-ref-4005-1-nos-2\/"},"modified":"2026-09-22T11:39:02","modified_gmt":"2026-09-22T11:39:02","slug":"longines-flagship-ref-4005-1-nos-2","status":"publish","type":"product","link":"https:\/\/www.lemuseonline.com\/en\/prodotto\/longines-flagship-ref-4005-1-nos-2\/","title":{"rendered":"Longines Flagship ref. 4005-1 NOS"},"content":{"rendered":"","protected":false},"excerpt":{"rendered":"<h2>Technical Details &#038; Model History<\/h2>\n<ul>\n<li><strong>Case<\/strong>: 18k white gold with extremely rare decorative finishing, typical of the most exclusive versions, 38 mm diameter<\/li>\n<li><strong>Movement<\/strong>: automatic Longines High Frequency (HF) caliber 6652<\/li>\n<li><strong>Dial<\/strong>: original blue dial with applied diamond hour markers<\/li>\n<li><strong>Crystal<\/strong>: sapphire<\/li>\n<li><strong>Strap<\/strong>: blue leather<\/li>\n<li><strong>Buckle<\/strong>: original Longines buckle<\/li>\n<li><strong>Reference<\/strong>: 4005-1<\/li>\n<li><strong>Period of production<\/strong>: 1970s<\/li>\n<li><strong>Accessories<\/strong>: original box and warranty<\/li>\n<li><strong>Condition<\/strong>: new old stock, never worn<\/li>\n<\/ul>\n<h2>Key Features<\/h2>\n<ul>\n<li><strong>HF (High Frequency)<\/strong> version, symbol of Longines\u2019 technical innovation during the 1970s<\/li>\n<li>Extremely rare 18k white gold case with intricate decorative finishing<\/li>\n<li>Original blue dial with <strong>diamond hour markers<\/strong>, a highly exclusive configuration<\/li>\n<li><strong>Never worn<\/strong> example, complete with original buckle, box and warranty<\/li>\n<\/ul>\n<h2>Historical Context<\/h2>\n<p>During the 1970s, Longines invested heavily in the development of high-frequency movements, designed to deliver greater precision and chronometric stability. The <strong>Flagship HF<\/strong> line represented the most elegant expression of this technical pursuit. Reference <strong>4005-1<\/strong>, presented here in 18k white gold with blue dial and diamond markers, is among the rarest and most refined versions produced. A never-worn example, complete with its original accessories, represents an exceptional opportunity for collectors who value originality, condition, and historical significance.<\/p>\n","protected":false},"featured_media":5126,"template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[15,25],"product_tag":[408],"class_list":["post-25063","product","type-product","status-publish","has-post-thumbnail","product_cat-senza-categoria","product_cat-vintage-watches","product_tag-longines-flagship-ref-4005-1","pa_cassa-oro-bianco","pa_epoca-anni-70","pa_genere-uomo","pa_marchi-longines","pa_movimento-automatic","pa_tipologia-wristwatches","first","instock","shipping-taxable","purchasable","product-type-simple"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Longines Flagship ref. 4005-1 NOS<\/title>\n<meta name=\"description\" content=\"Rare Longines Flagship HF ref. 4005-1 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gold with blue diamond dial, automatic high-frequency caliber 6652.","og_url":"https:\/\/www.lemuseonline.com\/en\/prodotto\/longines-flagship-ref-4005-1-nos-2\/","og_site_name":"Le Muse","article_modified_time":"2026-09-22T11:39:02+00:00","og_image":[{"width":1589,"height":2560,"url":"https:\/\/www.lemuseonline.com\/wp-content\/uploads\/2026\/09\/LonAdmBrilli-scaled.jpg","type":"image\/jpeg"}],"twitter_card":"summary_large_image","schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.lemuseonline.com\/en\/prodotto\/longines-flagship-ref-4005-1-nos-2\/","url":"https:\/\/www.lemuseonline.com\/en\/prodotto\/longines-flagship-ref-4005-1-nos-2\/","name":"Longines Flagship ref. 4005-1 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