{"id":13378,"date":"2026-05-07T11:30:25","date_gmt":"2026-05-07T09:30:25","guid":{"rendered":"https:\/\/brusselsvintagewatches.com\/?post_type=product&#038;p=13378"},"modified":"2026-04-24T17:15:49","modified_gmt":"2026-04-24T15:15:49","slug":"omega-speedmaster-vintage-3590-50-slightly-blue-hesalite-circa-1990","status":"publish","type":"product","link":"https:\/\/brusselsvintagewatches.com\/en\/produit\/omega-speedmaster-vintage-3590-50-slightly-blue-hesalite-circa-1990\/","title":{"rendered":"Rare Omega Speedmaster vintage 3590.50 &#8220;slightly blue hesalite&#8221; circa 1990"},"content":{"rendered":"<p>Year : 1990<\/p>\n<p>Case : Steel<\/p>\n<p>Diameter : 42 mm<\/p>\n<p>Dial : Black<\/p>\n<p>Movement : Manual winding, caliber Omega 861<\/p>\n<p>Glass : Plexi<\/p>\n<p>Bracelet : Original steel bracelet ref. 1479\/812<\/p>\n<p>General condition : Excellent<\/p>\n<p>Box : No<\/p>\n<p>Papers : No<\/p>\n<p>Guarantee : One year<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Very nice Omega Speedmaster vintage ref. 3590.50 (ST 145022). \u00a0It has been produced in 1990 according to its serial number.<\/p>\n<p>This example is interesting because its crystal has a slightly bluish tint, it&#8217;s very subtle and more or less visible depending on the light. \u00a0This is a rare flaw found on some Speedmasters from this period. \u00a0Sometimes, the crystals have developed a more pronounced blue color, <a href=\"https:\/\/brusselsvintagewatches.com\/en\/produit\/extremely-rare-omega-speedmaster-vintage-145-022-blue-hesalite\/\" target=\"_blank\" rel=\"noopener\"><strong>click here<\/strong><\/a> to see an example.<\/p>\n<p>Original \u201cLong S and R\u201d dial. \u00a0The tritium indexes and hands have developed a nice cream patina.<\/p>\n<p>Original \u201cB2\u201d bezel with the writing \u201cTACHYMETRE\u201d in big characters without accent.<\/p>\n<p>The watch is fitted with its original steel bracelet ref. 1479\/812.<\/p>\n<p>The movement has been checked and tested.<\/p>\n<p>The last picture shows the difference compared to a &#8220;classic&#8221; Speedmaster from 1990.<\/p>\n","protected":false},"featured_media":13396,"template":"","meta":[],"product_cat":[42],"product_tag":[],"_links":{"self":[{"href":"https:\/\/brusselsvintagewatches.com\/en\/wp-json\/wp\/v2\/product\/13378"}],"collection":[{"href":"https:\/\/brusselsvintagewatches.com\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/brusselsvintagewatches.com\/en\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/brusselsvintagewatches.com\/en\/wp-json\/wp\/v2\/media\/13396"}],"wp:attachment":[{"href":"https:\/\/brusselsvintagewatches.com\/en\/wp-json\/wp\/v2\/media?parent=13378"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/brusselsvintagewatches.com\/en\/wp-json\/wp\/v2\/product_cat?post=13378"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/brusselsvintagewatches.com\/en\/wp-json\/wp\/v2\/product_tag?post=13378"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}