{"id":8721,"date":"2022-12-15T13:01:14","date_gmt":"2022-12-15T12:01:14","guid":{"rendered":"https:\/\/brusselsvintagewatches.com\/speedmaster-vintage-the-plexiglas-was-not-always-signed\/"},"modified":"2022-12-15T13:05:45","modified_gmt":"2022-12-15T12:05:45","slug":"speedmaster-vintage-the-plexiglas-was-not-always-signed","status":"publish","type":"post","link":"https:\/\/brusselsvintagewatches.com\/en\/speedmaster-vintage-the-plexiglas-was-not-always-signed\/","title":{"rendered":"Speedmaster vintage : the plexiglas was not always signed"},"content":{"rendered":"<p style=\"text-align: justify;\">Most collectors believe that all vintage Speedmasters should have an Omega logo engraved in the center of their plexiglas.<\/p>\n<p style=\"text-align: justify;\"><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone wp-image-8701\" src=\"https:\/\/brusselsvintagewatches.com\/wp-content\/uploads\/2022\/12\/IMG_4071-300x300.jpg\" alt=\"\" width=\"730\" height=\"730\" srcset=\"https:\/\/brusselsvintagewatches.com\/wp-content\/uploads\/2022\/12\/IMG_4071-300x300.jpg 300w, https:\/\/brusselsvintagewatches.com\/wp-content\/uploads\/2022\/12\/IMG_4071-1024x1024.jpg 1024w, https:\/\/brusselsvintagewatches.com\/wp-content\/uploads\/2022\/12\/IMG_4071-150x150.jpg 150w, https:\/\/brusselsvintagewatches.com\/wp-content\/uploads\/2022\/12\/IMG_4071-768x768.jpg 768w, https:\/\/brusselsvintagewatches.com\/wp-content\/uploads\/2022\/12\/IMG_4071-600x600.jpg 600w, https:\/\/brusselsvintagewatches.com\/wp-content\/uploads\/2022\/12\/IMG_4071-100x100.jpg 100w, https:\/\/brusselsvintagewatches.com\/wp-content\/uploads\/2022\/12\/IMG_4071.jpg 1087w\" sizes=\"(max-width: 730px) 100vw, 730px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\">However, over the years, I realized that some examples were fitted with unsigned plexiglasses, yet absolutely identical to the signed ones : same shape, same thickness, same black ring inside.\u00a0 \u00a0 It would therefore be surprising if these glasses were not original.<\/p>\n<p style=\"text-align: justify;\">Even more interesting, some serial numbers are really close.<\/p>\n<p style=\"text-align: justify;\">For example, here is the 48.263.27x.<\/p>\n<p style=\"text-align: justify;\"><img decoding=\"async\" class=\"alignnone wp-image-8705\" src=\"https:\/\/brusselsvintagewatches.com\/wp-content\/uploads\/2022\/12\/IMG_5559-300x240.jpg\" alt=\"\" width=\"730\" height=\"584\" srcset=\"https:\/\/brusselsvintagewatches.com\/wp-content\/uploads\/2022\/12\/IMG_5559-300x240.jpg 300w, https:\/\/brusselsvintagewatches.com\/wp-content\/uploads\/2022\/12\/IMG_5559-1024x819.jpg 1024w, https:\/\/brusselsvintagewatches.com\/wp-content\/uploads\/2022\/12\/IMG_5559-768x614.jpg 768w, https:\/\/brusselsvintagewatches.com\/wp-content\/uploads\/2022\/12\/IMG_5559-1536x1229.jpg 1536w, https:\/\/brusselsvintagewatches.com\/wp-content\/uploads\/2022\/12\/IMG_5559-2048x1639.jpg 2048w, https:\/\/brusselsvintagewatches.com\/wp-content\/uploads\/2022\/12\/IMG_5559-1280x1024.jpg 1280w, https:\/\/brusselsvintagewatches.com\/wp-content\/uploads\/2022\/12\/IMG_5559-600x480.jpg 600w\" sizes=\"(max-width: 730px) 100vw, 730px\" \/><\/p>\n<p><img decoding=\"async\" class=\"alignnone wp-image-8703\" src=\"https:\/\/brusselsvintagewatches.com\/wp-content\/uploads\/2022\/12\/IMG_5542-300x300.jpg\" alt=\"\" width=\"730\" height=\"730\" srcset=\"https:\/\/brusselsvintagewatches.com\/wp-content\/uploads\/2022\/12\/IMG_5542-300x300.jpg 300w, https:\/\/brusselsvintagewatches.com\/wp-content\/uploads\/2022\/12\/IMG_5542-1024x1024.jpg 1024w, https:\/\/brusselsvintagewatches.com\/wp-content\/uploads\/2022\/12\/IMG_5542-150x150.jpg 150w, https:\/\/brusselsvintagewatches.com\/wp-content\/uploads\/2022\/12\/IMG_5542-768x768.jpg 768w, https:\/\/brusselsvintagewatches.com\/wp-content\/uploads\/2022\/12\/IMG_5542-600x600.jpg 600w, https:\/\/brusselsvintagewatches.com\/wp-content\/uploads\/2022\/12\/IMG_5542-100x100.jpg 100w, https:\/\/brusselsvintagewatches.com\/wp-content\/uploads\/2022\/12\/IMG_5542.jpg 1234w\" sizes=\"(max-width: 730px) 100vw, 730px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>And below, the 48.263.35x.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-8707\" src=\"https:\/\/brusselsvintagewatches.com\/wp-content\/uploads\/2022\/12\/IMG_6735-300x300.jpg\" alt=\"\" width=\"730\" height=\"730\" srcset=\"https:\/\/brusselsvintagewatches.com\/wp-content\/uploads\/2022\/12\/IMG_6735-300x300.jpg 300w, https:\/\/brusselsvintagewatches.com\/wp-content\/uploads\/2022\/12\/IMG_6735-1024x1024.jpg 1024w, https:\/\/brusselsvintagewatches.com\/wp-content\/uploads\/2022\/12\/IMG_6735-150x150.jpg 150w, https:\/\/brusselsvintagewatches.com\/wp-content\/uploads\/2022\/12\/IMG_6735-768x768.jpg 768w, https:\/\/brusselsvintagewatches.com\/wp-content\/uploads\/2022\/12\/IMG_6735-600x600.jpg 600w, https:\/\/brusselsvintagewatches.com\/wp-content\/uploads\/2022\/12\/IMG_6735-100x100.jpg 100w, https:\/\/brusselsvintagewatches.com\/wp-content\/uploads\/2022\/12\/IMG_6735.jpg 1211w\" sizes=\"(max-width: 730px) 100vw, 730px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\">Produced about 80 units apart, they both have an unsigned plexiglas.\u00a0 Have they been replaced, or is there another explanation ? \u00a0Let&#8217;s not forget that at the time, the various components of a Speedmaster (case, dial, hands, plexiglas&#8230;) were manufactured by subcontractors.\u00a0 The company in charge of producing the plexiglasses may have forgotten to engrave the logo on some series of glasses, which could therefore explain this particularity.<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\">I have listed below the various Speedmasters with an unsigned plexiglas that I have seen in recent years.\u00a0 These watches all have one thing in common : they were produced between the late 1980&#8217;s and the mid-1990&#8217;s.\u00a0 For the sake of convenience, I have classified them into 5 series.<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\"><strong>Series 1<\/strong><\/p>\n<p>48.238.4xx<\/p>\n<p style=\"text-align: justify;\">48.239.3xx<\/p>\n<p style=\"text-align: justify;\">48.240.2xx<\/p>\n<p style=\"text-align: justify;\">48.240.7xx<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\"><strong>Series 2<\/strong><\/p>\n<p style=\"text-align: justify;\">48.250.6xx<\/p>\n<p style=\"text-align: justify;\">48.254.9xx<\/p>\n<p style=\"text-align: justify;\">48.256.4xx<\/p>\n<p style=\"text-align: justify;\">48.257.5xx<\/p>\n<p style=\"text-align: justify;\">48.258.9xx<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\"><strong>Series 3<\/strong><\/p>\n<p style=\"text-align: justify;\">48.263.2xx<\/p>\n<p style=\"text-align: justify;\">48.263.3xx<\/p>\n<p style=\"text-align: justify;\">48.264.2xx<\/p>\n<p style=\"text-align: justify;\">48.268.9xx<\/p>\n<p style=\"text-align: justify;\">48.269.3xx<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\"><strong>Series 4<\/strong><\/p>\n<p style=\"text-align: justify;\">48.278.1xx<\/p>\n<p style=\"text-align: justify;\">48.278.2xx<\/p>\n<p style=\"text-align: justify;\">48.281.0xx<\/p>\n<p style=\"text-align: justify;\">48.281.3xx<\/p>\n<p style=\"text-align: justify;\">48.286.5xx<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\"><strong>Series 5<\/strong><\/p>\n<p style=\"text-align: justify;\">48.292.2xx<\/p>\n<p style=\"text-align: justify;\">48.295.9xx<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\">If you also own a Speedmaster with an unsigned plexiglas, don&#8217;t hesitate to contact me in order to update the list.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Most collectors believe that all vintage Speedmasters should have an Omega logo engraved in the center of their plexiglas. &nbsp; However, over the years, I realized that some examples were fitted with unsigned plexiglasses, yet absolutely identical to the signed ones : same shape, same thickness, same black ring inside.\u00a0 \u00a0 It would therefore be surprising if these glasses were [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[87],"tags":[],"_links":{"self":[{"href":"https:\/\/brusselsvintagewatches.com\/en\/wp-json\/wp\/v2\/posts\/8721"}],"collection":[{"href":"https:\/\/brusselsvintagewatches.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/brusselsvintagewatches.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/brusselsvintagewatches.com\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/brusselsvintagewatches.com\/en\/wp-json\/wp\/v2\/comments?post=8721"}],"version-history":[{"count":1,"href":"https:\/\/brusselsvintagewatches.com\/en\/wp-json\/wp\/v2\/posts\/8721\/revisions"}],"predecessor-version":[{"id":8723,"href":"https:\/\/brusselsvintagewatches.com\/en\/wp-json\/wp\/v2\/posts\/8721\/revisions\/8723"}],"wp:attachment":[{"href":"https:\/\/brusselsvintagewatches.com\/en\/wp-json\/wp\/v2\/media?parent=8721"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/brusselsvintagewatches.com\/en\/wp-json\/wp\/v2\/categories?post=8721"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/brusselsvintagewatches.com\/en\/wp-json\/wp\/v2\/tags?post=8721"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}