{"id":20032,"date":"2018-02-24T14:00:29","date_gmt":"2018-02-24T22:00:29","guid":{"rendered":"https:\/\/www.bobswatches.com\/rolex-blog\/?p=20032"},"modified":"2022-09-28T11:50:07","modified_gmt":"2022-09-28T18:50:07","slug":"how-to-use-a-1675-gmt","status":"publish","type":"post","link":"https:\/\/www.bobswatches.com\/rolex-blog\/resources\/how-to-use-a-1675-gmt.html","title":{"rendered":"How To Use A Vintage GMT 1675"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">A part of the Rolex catalog for two decades, the GMT-Master ref. 1675 is one of the brand\u2019s most iconic watches. Aside from its instantly recognizable looks, the GMT-Master stands out for its real-world practicality for travelers. <\/span><\/p>\n<p><span style=\"font-weight: 400;\">In an age of smartphones, laptops, and tablets, perhaps you don\u2019t see the need for a <a href=\"https:\/\/www.bobswatches.com\/vintage-rolex-1.html\">vintage GMT-Master watch<\/a> to keep track the time while jetting across the skies, but I beg to differ. With a few turns of the winding crown and a couple clicks of the bezel, this is one stylish companion you want onboard. Join me as I fly with the vintage GMT-Master 1675 Pepsi in tow.<\/span><\/p>\n<figure id=\"attachment_17210\" aria-describedby=\"caption-attachment-17210\" style=\"width: 1200px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-17210 size-full\" title=\"Read our guide to see how you can use the GMT to your advantage.\" src=\"https:\/\/www.bobswatches.com\/rolex-blog\/wp-content\/uploads\/2017\/07\/Rolex_GMT_1675-5D3_9774-Edit.jpg\" alt=\"how to use a GMT\" width=\"1200\" height=\"800\" srcset=\"https:\/\/www.bobswatches.com\/rolex-blog\/wp-content\/uploads\/2017\/07\/Rolex_GMT_1675-5D3_9774-Edit.jpg 1200w, https:\/\/www.bobswatches.com\/rolex-blog\/wp-content\/uploads\/2017\/07\/Rolex_GMT_1675-5D3_9774-Edit-300x200.jpg 300w, https:\/\/www.bobswatches.com\/rolex-blog\/wp-content\/uploads\/2017\/07\/Rolex_GMT_1675-5D3_9774-Edit-768x512.jpg 768w, https:\/\/www.bobswatches.com\/rolex-blog\/wp-content\/uploads\/2017\/07\/Rolex_GMT_1675-5D3_9774-Edit-1024x683.jpg 1024w, https:\/\/www.bobswatches.com\/rolex-blog\/wp-content\/uploads\/2017\/07\/Rolex_GMT_1675-5D3_9774-Edit-570x380.jpg 570w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><figcaption id=\"caption-attachment-17210\" class=\"wp-caption-text\">Learning how to use a GMT is a simple and easy task.<\/figcaption><\/figure>\n<h2><b>An Early GMT-Master 1675<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Since it was manufactured from 1959 until 1980, Rolex modified the GMT-Master ref. 1675 a lot during its production run. This particular example of the GMT-Master 1675 is an early model as illustrated by its pointed crown guards, small triangle on the tip of the GMT-hand, and glossy gilt dial. <\/span><\/p>\n<p><span style=\"font-weight: 400;\">On top of the 40mm stainless steel case sits a bi-colored blue and red \u201cPepsi\u201d bezel. The combination of two colors wasn\u2019t just an aesthetic decision, but in fact, helps users quickly differentiate between nighttime hours (blue) and daytime hours (red) reading the bezel.<\/span><\/p>\n<figure id=\"attachment_11542\" aria-describedby=\"caption-attachment-11542\" style=\"width: 1000px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-11542 size-full\" src=\"https:\/\/www.bobswatches.com\/rolex-blog\/wp-content\/uploads\/2016\/10\/Vintage-Rolex-GMT-Master-1675-Pepsi.jpg\" alt=\"how to use a GMT\" width=\"1000\" height=\"762\" srcset=\"https:\/\/www.bobswatches.com\/rolex-blog\/wp-content\/uploads\/2016\/10\/Vintage-Rolex-GMT-Master-1675-Pepsi.jpg 1000w, https:\/\/www.bobswatches.com\/rolex-blog\/wp-content\/uploads\/2016\/10\/Vintage-Rolex-GMT-Master-1675-Pepsi-300x229.jpg 300w, https:\/\/www.bobswatches.com\/rolex-blog\/wp-content\/uploads\/2016\/10\/Vintage-Rolex-GMT-Master-1675-Pepsi-768x585.jpg 768w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><figcaption id=\"caption-attachment-11542\" class=\"wp-caption-text\">Vintage Rolex GMT-Master ref. 1675 has a rotatable bezel that can be used to your advantage.<\/figcaption><\/figure>\n<h2><b>Taking off from Los Angeles With the GMT-Master 1675<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Since Bob\u2019s Watches is based in sunny Southern California, my go-to international airport is LAX. So before heading to the airport, I grab my trusty GMT-Master <a href=\"https:\/\/www.bobswatches.com\/rolex-blog\/vintage-rolex\/gmt-1675.html\">ref. 1675<\/a> from my watch box, wind it up a bit to get it going, and get ready to set my current local time and date. Since this is a GMT-Master and not a GMT-Master II, the extra 24-hour hand turns along with the main hour hand. Plus, the GMT-Master 1675 has a non-quickset movement, so the date needs to be adjusted by turning the hands. <\/span><\/p>\n<p><span style=\"font-weight: 400;\">First off, I make sure that the inverted triangle on the bezel is positioned at the top of the watch. It\u2019s currently 10 am here in LA, so after I get the correct date in the window by turning the hands accordingly, I set my center hands to show 10 o\u2019clock, also ensuring that the GMT-hand is pointing to \u201c10\u201d on the red portion of the bezel (and not 22 on the blue portion of the bezel). <\/span><\/p>\n<p><span style=\"font-weight: 400;\">Once I\u2019m on the plane a few hours later, it\u2019s now 1pm\u2014so the GMT-hand is now pointing to \u201c13\u201d on the bezel. Flight is on time and we take off for London.<\/span><\/p>\n<figure id=\"attachment_17211\" aria-describedby=\"caption-attachment-17211\" style=\"width: 1200px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-17211 size-full\" title=\"Using the GMT is an easy task.\" src=\"https:\/\/www.bobswatches.com\/rolex-blog\/wp-content\/uploads\/2017\/07\/Rolex_GMT_1675-5D3_9760-Edit.jpg\" alt=\"how to use a GMT\" width=\"1200\" height=\"800\" srcset=\"https:\/\/www.bobswatches.com\/rolex-blog\/wp-content\/uploads\/2017\/07\/Rolex_GMT_1675-5D3_9760-Edit.jpg 1200w, https:\/\/www.bobswatches.com\/rolex-blog\/wp-content\/uploads\/2017\/07\/Rolex_GMT_1675-5D3_9760-Edit-300x200.jpg 300w, https:\/\/www.bobswatches.com\/rolex-blog\/wp-content\/uploads\/2017\/07\/Rolex_GMT_1675-5D3_9760-Edit-768x512.jpg 768w, https:\/\/www.bobswatches.com\/rolex-blog\/wp-content\/uploads\/2017\/07\/Rolex_GMT_1675-5D3_9760-Edit-1024x683.jpg 1024w, https:\/\/www.bobswatches.com\/rolex-blog\/wp-content\/uploads\/2017\/07\/Rolex_GMT_1675-5D3_9760-Edit-570x380.jpg 570w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><figcaption id=\"caption-attachment-17211\" class=\"wp-caption-text\">A vintage GMT Master 1675 is a great watch as a traveling companion.<\/figcaption><\/figure>\n<h2><b>Touching Down in London with the GMT-Master 1675 &nbsp;&nbsp;<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">About 10 and half hours later, the plane lands in London so I need to change my watch to local time. My watch is currently showing 11:30 pm in LA but it\u2019s 7:30 am the next day in London. <\/span><\/p>\n<p><span style=\"font-weight: 400;\">So, I move my center hands forward (and observe that the date changes to the next day once I pass midnight) to display 7:30 am and the GMT-hand is now pointing to just after \u201c7\u201d on the bezel. I now turn the bezel so that the GMT-hand points to just after \u201c23\u201d on the bezel and just like that I can see that local time is 7:30 am and my home time is 11:30 pm. Not bad for a watch made over five decades ago!<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Next time you travel to a different time zone, consider wearing a Rolex GMT-Master and note how well this vintage beauty performs in today\u2019s high-tech world. <\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A part of the Rolex catalog for two decades, the GMT-Master ref. 1675 is one of the brand\u2019s most iconic watches. Aside from its instantly recognizable looks, the GMT-Master stands out for its real-world practicality for travelers.<\/p>\n","protected":false},"author":2,"featured_media":17211,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1630],"tags":[],"ppma_author":[2286],"class_list":["post-20032","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-resources"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>How To Use A Vintage GMT 1675 - Bob&#039;s Watches<\/title>\n<meta name=\"description\" content=\"Learn How to use a GMT. With the two-tone bezel and the 24-hour hand, it can get confusing. Our simple guide will help you learn how to use the 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.bobswatches.com\/rolex-blog\/resources\/how-to-use-a-1675-gmt.html\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How To Use A Vintage GMT 1675 - Bob&#039;s Watches\" \/>\n<meta property=\"og:description\" content=\"Learn How to use a GMT. With the two-tone bezel and the 24-hour hand, it can get confusing. Our simple guide will help you learn how to use the watch.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.bobswatches.com\/rolex-blog\/resources\/how-to-use-a-1675-gmt.html\" \/>\n<meta property=\"og:site_name\" content=\"Bob&#039;s Watches\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/bobswatches\" \/>\n<meta property=\"article:published_time\" content=\"2018-02-24T22:00:29+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2022-09-28T18:50:07+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.bobswatches.com\/rolex-blog\/wp-content\/uploads\/2017\/07\/Rolex_GMT_1675-5D3_9760-Edit.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"800\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Paul Altieri\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@bobswatches\" \/>\n<meta name=\"twitter:site\" content=\"@bobswatches\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Paul Altieri\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.bobswatches.com\\\/rolex-blog\\\/resources\\\/how-to-use-a-1675-gmt.html#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.bobswatches.com\\\/rolex-blog\\\/resources\\\/how-to-use-a-1675-gmt.html\"},\"author\":{\"name\":\"Paul Altieri\",\"@id\":\"https:\\\/\\\/www.bobswatches.com\\\/rolex-blog\\\/#\\\/schema\\\/person\\\/22b37643d599dce1a5947061baa91033\"},\"headline\":\"How To Use A Vintage GMT 1675\",\"datePublished\":\"2018-02-24T22:00:29+00:00\",\"dateModified\":\"2022-09-28T18:50:07+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.bobswatches.com\\\/rolex-blog\\\/resources\\\/how-to-use-a-1675-gmt.html\"},\"wordCount\":628,\"commentCount\":1,\"publisher\":{\"@id\":\"https:\\\/\\\/www.bobswatches.com\\\/rolex-blog\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.bobswatches.com\\\/rolex-blog\\\/resources\\\/how-to-use-a-1675-gmt.html#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.bobswatches.com\\\/rolex-blog\\\/wp-content\\\/uploads\\\/2017\\\/07\\\/Rolex_GMT_1675-5D3_9760-Edit.jpg\",\"articleSection\":[\"Resources\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.bobswatches.com\\\/rolex-blog\\\/resources\\\/how-to-use-a-1675-gmt.html#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.bobswatches.com\\\/rolex-blog\\\/resources\\\/how-to-use-a-1675-gmt.html\",\"url\":\"https:\\\/\\\/www.bobswatches.com\\\/rolex-blog\\\/resources\\\/how-to-use-a-1675-gmt.html\",\"name\":\"How To Use A Vintage GMT 1675 - Bob&#039;s Watches\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.bobswatches.com\\\/rolex-blog\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.bobswatches.com\\\/rolex-blog\\\/resources\\\/how-to-use-a-1675-gmt.html#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.bobswatches.com\\\/rolex-blog\\\/resources\\\/how-to-use-a-1675-gmt.html#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.bobswatches.com\\\/rolex-blog\\\/wp-content\\\/uploads\\\/2017\\\/07\\\/Rolex_GMT_1675-5D3_9760-Edit.jpg\",\"datePublished\":\"2018-02-24T22:00:29+00:00\",\"dateModified\":\"2022-09-28T18:50:07+00:00\",\"description\":\"Learn How to use a GMT. 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With the two-tone bezel and the 24-hour hand, it can get confusing. 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His experience spans over 35 years and he has been published in numerous publications including Forbes, The NY Times, WatchPro, and Fortune Magazine. Paul is committed to staying up-to-date with the latest research and developments in the watch industry and e-commerce, and regularly engages with other professionals in the industry. He is a member of the IWJG, the AWCI and a graduate of the GIA. \r\n\r\nAlongside running the premier retailer of pre-owned Rolex watches, Paul is a prominent Rolex watch collector himself amassing one of the largest private collections of rare timepieces. 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