{"id":74368,"date":"2024-05-13T13:13:01","date_gmt":"2024-05-13T12:13:01","guid":{"rendered":"https:\/\/www.firstclasswatches.co.uk\/blog\/?p=74368"},"modified":"2024-05-13T13:13:08","modified_gmt":"2024-05-13T12:13:08","slug":"sinn-reintroduces-its-903-navigation-chronograph-series","status":"publish","type":"post","link":"https:\/\/www.firstclasswatches.co.uk\/blog\/2024\/05\/sinn-reintroduces-its-903-navigation-chronograph-series\/","title":{"rendered":"Sinn Reintroduces Its 903 Navigation Chronograph Series"},"content":{"rendered":"\n<p>The travelling companion you can always rely on, today, <a href=\"https:\/\/www.sinn.de\/en\/\">Sinn<\/a> has announced a re-edition of its 903 Navigation Chronograph Series. This launch consists of three models: the limited edition 903 St HB, the 903 St II and the 903 St BE II. And while they appear in a version that is technically a completely new design, they are still visually recognisable. Featuring perfect orientation in space and time, as well as the most important arithmetic functions, these three watches are nothing short of a technical treat! If these models have caught your eye so far, keep reading to discover more. <\/p>\n\n\n\n<h2>The Re-Edition of Sinn&#8217;s 903 Navigation Chronograph Series <\/h2>\n\n\n\n<h3>The Dial and Case<\/h3>\n\n\n\n<figure class=\"wp-block-gallery alignleft columns-3\"><ul class=\"blocks-gallery-grid\"><li class=\"blocks-gallery-item\"><figure><a href=\"https:\/\/www.firstclasswatches.co.uk\/blog\/wp-content\/uploads\/2024\/05\/black.png\"><img loading=\"lazy\" width=\"188\" height=\"300\" src=\"https:\/\/www.firstclasswatches.co.uk\/blog\/wp-content\/uploads\/2024\/05\/black-188x300.png\" alt=\"\" data-id=\"74461\" data-full-url=\"https:\/\/www.firstclasswatches.co.uk\/blog\/wp-content\/uploads\/2024\/05\/black.png\" data-link=\"https:\/\/www.firstclasswatches.co.uk\/blog\/?attachment_id=74461\" class=\"wp-image-74461\" srcset=\"https:\/\/www.firstclasswatches.co.uk\/blog\/wp-content\/uploads\/2024\/05\/black-188x300.png 188w, https:\/\/www.firstclasswatches.co.uk\/blog\/wp-content\/uploads\/2024\/05\/black-641x1024.png 641w, https:\/\/www.firstclasswatches.co.uk\/blog\/wp-content\/uploads\/2024\/05\/black-768x1226.png 768w, https:\/\/www.firstclasswatches.co.uk\/blog\/wp-content\/uploads\/2024\/05\/black-962x1536.png 962w, https:\/\/www.firstclasswatches.co.uk\/blog\/wp-content\/uploads\/2024\/05\/black-930x1485.png 930w, https:\/\/www.firstclasswatches.co.uk\/blog\/wp-content\/uploads\/2024\/05\/black-750x1197.png 750w, https:\/\/www.firstclasswatches.co.uk\/blog\/wp-content\/uploads\/2024\/05\/black-510x814.png 510w, https:\/\/www.firstclasswatches.co.uk\/blog\/wp-content\/uploads\/2024\/05\/black-360x575.png 360w, https:\/\/www.firstclasswatches.co.uk\/blog\/wp-content\/uploads\/2024\/05\/black-300x479.png 300w, https:\/\/www.firstclasswatches.co.uk\/blog\/wp-content\/uploads\/2024\/05\/black-120x192.png 120w, https:\/\/www.firstclasswatches.co.uk\/blog\/wp-content\/uploads\/2024\/05\/black.png 1056w\" sizes=\"(max-width: 188px) 100vw, 188px\" \/><\/a><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><a href=\"https:\/\/www.firstclasswatches.co.uk\/blog\/wp-content\/uploads\/2024\/05\/dark-blue.png\"><img loading=\"lazy\" width=\"180\" height=\"300\" src=\"https:\/\/www.firstclasswatches.co.uk\/blog\/wp-content\/uploads\/2024\/05\/dark-blue-180x300.png\" alt=\"\" data-id=\"74464\" data-full-url=\"https:\/\/www.firstclasswatches.co.uk\/blog\/wp-content\/uploads\/2024\/05\/dark-blue.png\" data-link=\"https:\/\/www.firstclasswatches.co.uk\/blog\/?attachment_id=74464\" class=\"wp-image-74464\" srcset=\"https:\/\/www.firstclasswatches.co.uk\/blog\/wp-content\/uploads\/2024\/05\/dark-blue-180x300.png 180w, https:\/\/www.firstclasswatches.co.uk\/blog\/wp-content\/uploads\/2024\/05\/dark-blue-614x1024.png 614w, https:\/\/www.firstclasswatches.co.uk\/blog\/wp-content\/uploads\/2024\/05\/dark-blue-768x1281.png 768w, https:\/\/www.firstclasswatches.co.uk\/blog\/wp-content\/uploads\/2024\/05\/dark-blue-921x1536.png 921w, https:\/\/www.firstclasswatches.co.uk\/blog\/wp-content\/uploads\/2024\/05\/dark-blue-930x1552.png 930w, https:\/\/www.firstclasswatches.co.uk\/blog\/wp-content\/uploads\/2024\/05\/dark-blue-750x1251.png 750w, https:\/\/www.firstclasswatches.co.uk\/blog\/wp-content\/uploads\/2024\/05\/dark-blue-510x851.png 510w, https:\/\/www.firstclasswatches.co.uk\/blog\/wp-content\/uploads\/2024\/05\/dark-blue-360x601.png 360w, https:\/\/www.firstclasswatches.co.uk\/blog\/wp-content\/uploads\/2024\/05\/dark-blue-300x501.png 300w, https:\/\/www.firstclasswatches.co.uk\/blog\/wp-content\/uploads\/2024\/05\/dark-blue-120x200.png 120w, https:\/\/www.firstclasswatches.co.uk\/blog\/wp-content\/uploads\/2024\/05\/dark-blue.png 1056w\" sizes=\"(max-width: 180px) 100vw, 180px\" \/><\/a><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><a href=\"https:\/\/www.firstclasswatches.co.uk\/blog\/wp-content\/uploads\/2024\/05\/light-blue.png\"><img loading=\"lazy\" width=\"188\" height=\"300\" src=\"https:\/\/www.firstclasswatches.co.uk\/blog\/wp-content\/uploads\/2024\/05\/light-blue-188x300.png\" alt=\"\" data-id=\"74458\" data-full-url=\"https:\/\/www.firstclasswatches.co.uk\/blog\/wp-content\/uploads\/2024\/05\/light-blue.png\" data-link=\"https:\/\/www.firstclasswatches.co.uk\/blog\/?attachment_id=74458\" class=\"wp-image-74458\" srcset=\"https:\/\/www.firstclasswatches.co.uk\/blog\/wp-content\/uploads\/2024\/05\/light-blue-188x300.png 188w, https:\/\/www.firstclasswatches.co.uk\/blog\/wp-content\/uploads\/2024\/05\/light-blue-641x1024.png 641w, https:\/\/www.firstclasswatches.co.uk\/blog\/wp-content\/uploads\/2024\/05\/light-blue-768x1226.png 768w, https:\/\/www.firstclasswatches.co.uk\/blog\/wp-content\/uploads\/2024\/05\/light-blue-962x1536.png 962w, https:\/\/www.firstclasswatches.co.uk\/blog\/wp-content\/uploads\/2024\/05\/light-blue-930x1485.png 930w, https:\/\/www.firstclasswatches.co.uk\/blog\/wp-content\/uploads\/2024\/05\/light-blue-750x1197.png 750w, https:\/\/www.firstclasswatches.co.uk\/blog\/wp-content\/uploads\/2024\/05\/light-blue-510x814.png 510w, https:\/\/www.firstclasswatches.co.uk\/blog\/wp-content\/uploads\/2024\/05\/light-blue-360x575.png 360w, https:\/\/www.firstclasswatches.co.uk\/blog\/wp-content\/uploads\/2024\/05\/light-blue-300x479.png 300w, https:\/\/www.firstclasswatches.co.uk\/blog\/wp-content\/uploads\/2024\/05\/light-blue-120x192.png 120w, https:\/\/www.firstclasswatches.co.uk\/blog\/wp-content\/uploads\/2024\/05\/light-blue.png 1056w\" sizes=\"(max-width: 188px) 100vw, 188px\" \/><\/a><\/figure><\/li><\/ul><\/figure>\n\n\n\n<p>As previously mentioned, the re-edition 903 models are available in three different dial variations: black sunburst (<a href=\"https:\/\/www.firstclasswatches.co.uk\/sinn-903-st-ii-the-navigation-chronograph-41mm-black-sunburst-dial-fine-link-stainless-steel-bracelet-903090-p-143872\/\">903.090<\/a>), dark blue with a luminous ivory coating (<a href=\"https:\/\/www.firstclasswatches.co.uk\/sinn-903-st-be-ii-the-navigation-chronograph-41mm-dark-blue-dial-brown-leather-strap-903091-p-143875\/\">903.091<\/a>) and a limited edition light blue sunburst (<a href=\"https:\/\/www.firstclasswatches.co.uk\/sinn-903-st-be-ii-the-navigation-chronograph-41mm-dark-blue-dial-brown-leather-strap-903091-p-143875\/\">903.095<\/a>). The black and dark blue models feature a date aperture at the 4:30 position. Elevated to an unparalleled level, each dial features three sub-dials. As well as this, each dial features hour and minute hands, and a number &#8220;12&#8221; and baton indices; all of which are made of hybrid ceramic luminous elements. Sapphire crystal glass protects the dial of each watch. While it offers great clarity, thanks to its anti-reflective treatment on both sides, it also provides good levels of durability. <\/p>\n\n\n\n<p>Polished and satinized, a 41mm stainless steel case frames each dial. A silver electroplated bezel also frames the dial. Its logarithmic scale and slide rule function calculate times and distances, so each watch is the perfect travelling companion. Aided by the screw-fastened case back and winding screwable crown, each watch is both water-resistant and pressure-resistant to 20 bar. In fact, all three models meet the technical requirements for waterproofness; as set out in standard DIN 8310. The watches are also resistant to low-pressure. <\/p>\n\n\n\n<h3>The Movement and Finishing Touches <\/h3>\n\n\n\n<div class=\"wp-block-image is-style-default\"><figure class=\"alignright size-large is-resized\"><a href=\"https:\/\/www.firstclasswatches.co.uk\/blog\/wp-content\/uploads\/2024\/05\/case-back.png\"><img loading=\"lazy\" src=\"https:\/\/www.firstclasswatches.co.uk\/blog\/wp-content\/uploads\/2024\/05\/case-back.png\" alt=\"\" class=\"wp-image-74500\" width=\"131\" height=\"224\" srcset=\"https:\/\/www.firstclasswatches.co.uk\/blog\/wp-content\/uploads\/2024\/05\/case-back.png 583w, https:\/\/www.firstclasswatches.co.uk\/blog\/wp-content\/uploads\/2024\/05\/case-back-175x300.png 175w, https:\/\/www.firstclasswatches.co.uk\/blog\/wp-content\/uploads\/2024\/05\/case-back-510x875.png 510w, https:\/\/www.firstclasswatches.co.uk\/blog\/wp-content\/uploads\/2024\/05\/case-back-360x617.png 360w, https:\/\/www.firstclasswatches.co.uk\/blog\/wp-content\/uploads\/2024\/05\/case-back-300x515.png 300w, https:\/\/www.firstclasswatches.co.uk\/blog\/wp-content\/uploads\/2024\/05\/case-back-120x206.png 120w\" sizes=\"(max-width: 131px) 100vw, 131px\" \/><\/a><\/figure><\/div>\n\n\n\n<p>Through the transparent sapphire glass case back, the wearer can observe the column wheel chronograph movement which powers each timepiece; which has a power reserve of at least 60 hours when fully wound. While all watches are powered by said automatic mechanical movement, the black and dark blue dialled models feature an LJP L110 calibre and the light blue features an LJP L112 calibre. Each movement uses 26 jewels and beats at 28,800 semi-oscillations per hour. Moreover, the movement includes a seconds stop function and it is anti-magnetic as per DIN 8309. <\/p>\n\n\n\n<p>Ensuring there is a 903 Navigation Chronograph Series model for all, the watches secure to the wrist with different styles of strap. The 903 St II black model (<a href=\"https:\/\/www.firstclasswatches.co.uk\/sinn-903-st-ii-the-navigation-chronograph-41mm-black-sunburst-dial-fine-link-stainless-steel-bracelet-903090-p-143872\/\">903.090<\/a>) comes with a fine-link stainless steel bracelet and the 903 St BE II dark blue model (<a href=\"https:\/\/www.firstclasswatches.co.uk\/sinn-903-st-be-ii-the-navigation-chronograph-41mm-dark-blue-dial-brown-leather-strap-903091-p-143875\/\">903.091<\/a>) features a mocha-brown leather strap. However, the limited edition 903 St HB light blue model (<a href=\"https:\/\/www.firstclasswatches.co.uk\/sinn-903-st-hb-the-navigation-chronograph-limited-edition-41mm-light-blue-sunburst-dial-two-strap-set-903095-p-143878\/\">903.095<\/a>) comes in a set with both a fine-link stainless steel bracelet and a brown horsehide strap with a contrasting white seam. <\/p>\n\n\n\n<p>While this trio of 903 watches are not in stock yet, they are available to pre-order. So <a href=\"https:\/\/www.firstclasswatches.co.uk\/sinn-instrument-chronograph-navigation-chronograph-903-watches-c-1885_3787_2506\/\">click here<\/a> to view them on our website and pre-order to avoid disappointment. <\/p>\n\n\n\n<p>What do you think of Sinn reintroducing its 903 Navigation Chronograph series? Will you be adding a model to your collection? Let us know in the comments! <\/p>\n<!-- AddThis Advanced Settings generic via filter on the_content --><!-- AddThis Share Buttons generic via filter on the_content -->","protected":false},"excerpt":{"rendered":"<p>The travelling companion you can always rely on, today, Sinn has announced a re-edition of its 903 Navigation Chronograph Series. This launch consists of three models: the limited edition 903&hellip;<\/p>\n","protected":false},"author":25,"featured_media":74380,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false},"categories":[11,12],"tags":[16543,16540,1551],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v18.4.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Sinn Reintroduces Its 903 Navigation Chronograph Series - First Class Watches Blog<\/title>\n<meta name=\"description\" content=\"The travelling companion you can always rely on, today, Sinn has announced a re-edition of its 903 Navigation Chronograph Series...\" \/>\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.firstclasswatches.co.uk\/blog\/2024\/05\/sinn-reintroduces-its-903-navigation-chronograph-series\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Sinn Reintroduces Its 903 Navigation Chronograph Series - First Class Watches Blog\" \/>\n<meta property=\"og:description\" content=\"The travelling companion you can always rely on, today, Sinn has announced a re-edition of its 903 Navigation Chronograph Series...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.firstclasswatches.co.uk\/blog\/2024\/05\/sinn-reintroduces-its-903-navigation-chronograph-series\/\" \/>\n<meta property=\"og:site_name\" content=\"First Class Watches Blog\" \/>\n<meta property=\"article:published_time\" content=\"2024-05-13T12:13:01+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-05-13T12:13:08+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.firstclasswatches.co.uk\/blog\/wp-content\/uploads\/2024\/05\/feature-image-7.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1350\" \/>\n\t<meta property=\"og:image:height\" content=\"759\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Ciara Berry\" \/>\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\":\"WebSite\",\"@id\":\"https:\/\/www.firstclasswatches.co.uk\/blog\/#website\",\"url\":\"https:\/\/www.firstclasswatches.co.uk\/blog\/\",\"name\":\"First Class Watches Blog\",\"description\":\"All the Guides, News &amp; 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