{"id":18863,"date":"2025-11-05T13:56:08","date_gmt":"2025-11-05T12:56:08","guid":{"rendered":"https:\/\/www.lemuseonline.com\/watches-for-sale\/longines-cronografo-ref-4278\/"},"modified":"2025-11-05T13:57:58","modified_gmt":"2025-11-05T12:57:58","slug":"longines-cronografo-ref-4278","status":"publish","type":"product","link":"https:\/\/www.lemuseonline.com\/en\/watches-for-sale\/longines-cronografo-ref-4278\/","title":{"rendered":"Longines Chronograph ref. 4278"},"content":{"rendered":"","protected":false},"excerpt":{"rendered":"<h2>Technical Details &amp; Model History<\/h2>\n<ul>\n<li><strong>Case<\/strong>: stainless steel, approx. 33 mm diameter<\/li>\n<li><strong>Movement<\/strong>: manual winding Longines caliber 12.68z \u201cStop Seconds\u201d<\/li>\n<li><strong>Dial<\/strong>: original black, naturally aged to a brown tropical tone, with peripheral minute track<\/li>\n<li><strong>Functions<\/strong>: chronograph with stop-seconds feature<\/li>\n<li><strong>Crystal<\/strong>: domed plexiglass<\/li>\n<li><strong>Reference<\/strong>: 4278<\/li>\n<li><strong>Year of production<\/strong>: 1940s<\/li>\n<li><strong>Strap<\/strong>: high-quality black leather<\/li>\n<li><strong>Condition<\/strong>: excellent, completely original and in perfect working order<\/li>\n<\/ul>\n<h2>Key Features<\/h2>\n<ul>\n<li>Equipped with the celebrated Longines caliber 12.68z<\/li>\n<li>Rare \u201cStop Seconds\u201d version with hacking seconds function \u2014 highly sought after by collectors<\/li>\n<li>Original black dial naturally aged to brown, creating a stunning \u201ctropical\u201d effect<\/li>\n<\/ul>\n<h2>Historical Context<\/h2>\n<p>The <strong>Longines Chronograph ref. 4278<\/strong> represents one of the finest achievements of Longines manufacture in the 1940s. Powered by the legendary caliber 12.68z, this rare \u201cStop Seconds\u201d version adds an uncommon technical feature to an already exceptional chronograph. The original black dial, now beautifully aged to a tropical brown hue, gives the watch a distinctive character and unique vintage appeal \u2014 a truly outstanding example for discerning collectors.<\/p>\n","protected":false},"featured_media":18851,"template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[786],"product_tag":[1597],"class_list":{"0":"post-18863","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-vintage-watches","7":"product_tag-longines-cronografo-ref-4278","8":"pa_marchi-longines-en","9":"pa_movimento-manual-winding","11":"first","12":"instock","13":"shipping-taxable","14":"purchasable","15":"product-type-simple"},"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Longines Chronograph ref. 4278 - Le Muse s.r.l. 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