{"id":97435,"date":"2026-07-16T15:50:29","date_gmt":"2026-07-16T07:50:29","guid":{"rendered":"https:\/\/www.cortinawatch.com\/?post_type=watches&p=97435"},"modified":"2026-07-16T16:38:41","modified_gmt":"2026-07-16T08:38:41","slug":"mb136523","status":"publish","type":"watches","link":"https:\/\/www.cortinawatch.com\/en\/montblanc\/montblanc-1858\/mb136523\/","title":{"rendered":"MB136523"},"content":{"rendered":"

The Montblanc 1858 GMT 0 Oxygen is housed in a 42\u00a0mm stainless steel case totally devoid of oxygen. It is completed by a fixed bezel with a bi-coloured blue, anodised aluminium insert and luminescent 24-hour scale. The timepiece is powered by the automatic calibre MB 24.33 and comes with a blue dial with white luminescent rhodium-coated Arabic numerals and a dark blue hand indicating the second time zone. A 3D engraving on the case back shows the continents, oceans, and names of cities in each of the 24 time zones, offering a world time indication. It is fitted with an interchangeable stainless steel bracelet and is provided with a second interchangeable blue and black Saffiano leather strap<\/p>\n","protected":false},"featured_media":97441,"template":"","brand":[409,730],"class_list":["post-97435","watches","type-watches","status-publish","has-post-thumbnail","hentry","brand-montblanc","brand-montblanc-1858"],"acf":[],"yoast_head":"\nView the Montblanc Montblanc 1858 MB136523 - Cortina Watch<\/title>\n<meta name=\"description\" content=\"Explore the Montblanc Montblanc 1858 watch MB136523 at Cortina Watch.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.cortinawatch.com\/en\/montblanc\/montblanc-1858\/mb136523\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"View the Montblanc Montblanc 1858 MB136523 - Cortina Watch\" \/>\n<meta property=\"og:description\" content=\"Explore the Montblanc Montblanc 1858 watch MB136523 at Cortina Watch.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.cortinawatch.com\/en\/montblanc\/montblanc-1858\/mb136523\/\" \/>\n<meta property=\"og:site_name\" content=\"Cortina Watch\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/cortinawatch\/\" \/>\n<meta property=\"article:modified_time\" content=\"2026-07-16T08:38:41+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.cortinawatch.com\/wp-content\/uploads\/2026\/07\/MB136523-scaled.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"2560\" \/>\n\t<meta property=\"og:image:height\" content=\"2560\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":[\"WebPage\",\"ItemPage\"],\"@id\":\"https:\/\/www.cortinawatch.com\/en\/montblanc\/montblanc-1858\/mb136523\/\",\"url\":\"https:\/\/www.cortinawatch.com\/en\/montblanc\/montblanc-1858\/mb136523\/\",\"name\":\"View the Montblanc Montblanc 1858 MB136523 - 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