{"id":11468,"date":"2026-02-04T07:24:31","date_gmt":"2026-02-04T07:24:31","guid":{"rendered":"https:\/\/omegavintagewatch.com\/?post_type=product&#038;p=11468"},"modified":"2026-03-14T10:57:51","modified_gmt":"2026-03-14T10:57:51","slug":"1978-omega-seamaster-2","status":"publish","type":"product","link":"https:\/\/omegavintagewatch.com\/en\/product\/1978-omega-seamaster-2\/","title":{"rendered":"1978 Omega Seamaster"},"content":{"rendered":"","protected":false},"excerpt":{"rendered":"<p>Ladies Omega Seamaster date<\/p>\n<p>From 1978<\/p>\n<p><strong>Cal. 684 Ref. 566.0089<\/strong><\/p>\n<p>Automatic movement<\/p>\n<p>It&#8217;s <strong>27 mm <\/strong>size without crown<strong>, L2L 31 mm<\/strong><\/p>\n<p>Vintage Omega strap \u2013 worth keeping for your collection, but we recommend wearing a new contemporary strap for everyday use. We do not provide a warranty for original vintage straps<\/p>\n<p>In every watch we can change the strap on request<\/p>\n<p>The item is in working order and has a one month warranty. The service history is unknown. It is possible to order a watchmaking service on our website for an additional fee. Then the watch gains a one-year warranty<\/p>\n<p class=\"uppercase\">ALL VINTAGE WATCHES ARE NOT WATERPROOF<\/p>\n","protected":false},"featured_media":11484,"template":"","meta":[],"product_brand":[],"product_cat":[410,387],"product_tag":[],"class_list":{"0":"post-11468","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-automatic","7":"product_cat-womens","8":"pa_gwarancja-1-month","9":"pa_klamerka-not-original","10":"pa_koronka-original","11":"pa_material-koperty-steel","12":"pa_model-seamaster","13":"pa_papiery-no","14":"pa_pasek-bransoleta-original","15":"pa_pudelko-no","16":"pa_rodzaj-mechanizmu-automatic","17":"pa_rok-produkcji-397","18":"pa_szerokosc-koperty-449","19":"pa_szerokosc-mocowania-paska-466","20":"pa_szklo-plexiglass-signed","22":"first","23":"outofstock","24":"sold-individually","25":"shipping-taxable","26":"purchasable","27":"product-type-simple"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>1978 Omega Seamaster - omegavintagewatch.com<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/omegavintagewatch.com\/en\/product\/1978-omega-seamaster-2\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"1978 Omega Seamaster - omegavintagewatch.com\" \/>\n<meta property=\"og:description\" content=\"Ladies Omega Seamaster date  From 1978  Cal. 684 Ref. 566.0089  Automatic movement  It&#039;s 27 mm size without crown, L2L 31 mm  Vintage Omega strap \u2013 worth keeping for your collection, but we recommend wearing a new contemporary strap for everyday use. We do not provide a warranty for original vintage straps  In every watch we can change the strap on request  The item is in working order and has a one month warranty. The service history is unknown. It is possible to order a watchmaking service on our website for an additional fee. Then the watch gains a one-year warranty ALL VINTAGE WATCHES ARE NOT WATERPROOF\" \/>\n<meta property=\"og:url\" content=\"https:\/\/omegavintagewatch.com\/en\/product\/1978-omega-seamaster-2\/\" \/>\n<meta property=\"og:site_name\" content=\"omegavintagewatch.com\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/OmegaVintageWatchcom\" \/>\n<meta property=\"article:modified_time\" content=\"2026-03-14T10:57:51+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/omegavintagewatch.com\/wp-content\/uploads\/2026\/02\/Omega-Vintage-Watch02032026_797.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1500\" \/>\n\t<meta property=\"og:image:height\" content=\"1500\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\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\",\"@id\":\"https:\/\/omegavintagewatch.com\/en\/product\/1978-omega-seamaster-2\/\",\"url\":\"https:\/\/omegavintagewatch.com\/en\/product\/1978-omega-seamaster-2\/\",\"name\":\"1978 Omega Seamaster - 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