{"product_id":"omega-speedmaster-professional-moonwatch-calibre-861-with-card-ref-3590-50","title":"Omega Speedmaster Professional Moonwatch | Calibre 861 | with Card| Ref. 3590.50","description":"\u003cp data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-node-block=\"true\" data-pm-slice=\"0 0 []\"\u003eThe Omega Speedmaster Professional Moonwatch Ref. 3590.50 is a highly desirable neo-vintage interpretation of Omega’s legendary manual-wind chronograph. Introduced around 1989 and produced until approximately 1996, this reference directly preceded the better-known Ref. 3570.50. It features the traditional 42mm stainless steel case, matte black dial, black tachymeter bezel, Hesalite crystal, solid caseback, and stainless steel Speedmaster bracelet.\u003c\/p\u003e\u003cp data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-node-block=\"true\"\u003eThe beauty of the 3590.50 is its balance of classic Moonwatch styling and genuine vintage character. Unlike most later examples, this reference was fitted with tritium hour markers and hands. Over time, the tritium may develop an attractive cream or yellow-toned patina, giving each example a distinctive appearance while preserving the familiar high-contrast Speedmaster layout.\u003c\/p\u003e\u003cp data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-node-block=\"true\"\u003eThe dial features the traditional three-register chronograph arrangement, including running seconds, a 30-minute counter, and a 12-hour counter. Its manually wound Omega Calibre 861 provides the mechanical experience associated with the classic Speedmaster Professional and offers an approximately 48-hour power reserve. Depending on the production year, the Calibre 861 may contain either 17 or 18 jewels.\u003c\/p\u003e\u003cp data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-node-block=\"true\"\u003eWith its tritium dial, Calibre 861 movement, and slimmer vintage-style character, the 3590.50 represents an appealing bridge between earlier vintage Speedmasters and the later modern Moonwatch. The included original warranty card adds further collector appeal and makes this a particularly attractive example of the reference.\u003c\/p\u003e\u003ch2 data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"heading\" data-prosemirror-node-block=\"true\"\u003e\u003cstrong data-prosemirror-content-type=\"mark\" data-prosemirror-mark-name=\"strong\"\u003eCondition\u003c\/strong\u003e\u003c\/h2\u003e\u003cp data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-node-block=\"true\"\u003ePlease review the photos carefully for an accurate representation. Light scratches, bracelet wear, bezel wear, Hesalite crystal wear, patina, or other signs of use consistent with age may be present and do not affect functionality. The watch presents well overall with expected wear for its age. Includes original warranty card.\u003c\/p\u003e\u003ch2 data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"heading\" data-prosemirror-node-block=\"true\"\u003e\u003cstrong data-prosemirror-content-type=\"mark\" data-prosemirror-mark-name=\"strong\"\u003eTechnical Data\u003c\/strong\u003e\u003c\/h2\u003e\u003cul class=\"ak-ul\" data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"bulletList\" data-prosemirror-node-block=\"true\"\u003e\n\u003cli data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"listItem\" data-prosemirror-node-block=\"true\"\u003e\u003cp data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-node-block=\"true\"\u003e\u003cstrong data-prosemirror-content-type=\"mark\" data-prosemirror-mark-name=\"strong\"\u003eReference:\u003c\/strong\u003e 3590.50 \/ 3590.50.00\u003c\/p\u003e\u003c\/li\u003e\n\u003cli data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"listItem\" data-prosemirror-node-block=\"true\"\u003e\u003cp data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-node-block=\"true\"\u003e\u003cstrong data-prosemirror-content-type=\"mark\" data-prosemirror-mark-name=\"strong\"\u003eModel:\u003c\/strong\u003e Speedmaster Professional Moonwatch\u003c\/p\u003e\u003c\/li\u003e\n\u003cli data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"listItem\" data-prosemirror-node-block=\"true\"\u003e\u003cp data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-node-block=\"true\"\u003e\u003cstrong data-prosemirror-content-type=\"mark\" data-prosemirror-mark-name=\"strong\"\u003eProduction Period:\u003c\/strong\u003e Approximately 1989–1996\u003c\/p\u003e\u003c\/li\u003e\n\u003cli data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"listItem\" data-prosemirror-node-block=\"true\"\u003e\u003cp data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-node-block=\"true\"\u003e\u003cstrong data-prosemirror-content-type=\"mark\" data-prosemirror-mark-name=\"strong\"\u003eCase Diameter:\u003c\/strong\u003e Approximately 42mm\u003c\/p\u003e\u003c\/li\u003e\n\u003cli data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"listItem\" data-prosemirror-node-block=\"true\"\u003e\u003cp data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-node-block=\"true\"\u003e\u003cstrong data-prosemirror-content-type=\"mark\" data-prosemirror-mark-name=\"strong\"\u003eCase Material:\u003c\/strong\u003e Stainless Steel\u003c\/p\u003e\u003c\/li\u003e\n\u003cli data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"listItem\" data-prosemirror-node-block=\"true\"\u003e\u003cp data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-node-block=\"true\"\u003e\u003cstrong data-prosemirror-content-type=\"mark\" data-prosemirror-mark-name=\"strong\"\u003eBezel:\u003c\/strong\u003e Fixed Black Tachymeter Bezel\u003c\/p\u003e\u003c\/li\u003e\n\u003cli data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"listItem\" data-prosemirror-node-block=\"true\"\u003e\u003cp data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-node-block=\"true\"\u003e\u003cstrong data-prosemirror-content-type=\"mark\" data-prosemirror-mark-name=\"strong\"\u003eDial:\u003c\/strong\u003e Matte Black Dial with Tritium Hour Markers\u003c\/p\u003e\u003c\/li\u003e\n\u003cli data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"listItem\" data-prosemirror-node-block=\"true\"\u003e\u003cp data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-node-block=\"true\"\u003e\u003cstrong data-prosemirror-content-type=\"mark\" data-prosemirror-mark-name=\"strong\"\u003eCrystal:\u003c\/strong\u003e Hesalite Crystal\u003c\/p\u003e\u003c\/li\u003e\n\u003cli data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"listItem\" data-prosemirror-node-block=\"true\"\u003e\u003cp data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-node-block=\"true\"\u003e\u003cstrong data-prosemirror-content-type=\"mark\" data-prosemirror-mark-name=\"strong\"\u003eCaseback:\u003c\/strong\u003e Solid Stainless Steel Moonwatch Caseback\u003c\/p\u003e\u003c\/li\u003e\n\u003cli data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"listItem\" data-prosemirror-node-block=\"true\"\u003e\u003cp data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-node-block=\"true\"\u003e\u003cstrong data-prosemirror-content-type=\"mark\" data-prosemirror-mark-name=\"strong\"\u003eWater Resistance:\u003c\/strong\u003e Originally rated to 50 meters; water resistance not guaranteed due to age\u003c\/p\u003e\u003c\/li\u003e\n\u003cli data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"listItem\" data-prosemirror-node-block=\"true\"\u003e\u003cp data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-node-block=\"true\"\u003e\u003cstrong data-prosemirror-content-type=\"mark\" data-prosemirror-mark-name=\"strong\"\u003eBracelet:\u003c\/strong\u003e Stainless Steel Speedmaster Bracelet\u003c\/p\u003e\u003c\/li\u003e\n\u003cli data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"listItem\" data-prosemirror-node-block=\"true\"\u003e\u003cp data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-node-block=\"true\"\u003e\u003cstrong data-prosemirror-content-type=\"mark\" data-prosemirror-mark-name=\"strong\"\u003eMovement:\u003c\/strong\u003e Omega Calibre 861 Manual-Wind Chronograph Movement\u003c\/p\u003e\u003c\/li\u003e\n\u003cli data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"listItem\" data-prosemirror-node-block=\"true\"\u003e\u003cp data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-node-block=\"true\"\u003e\u003cstrong data-prosemirror-content-type=\"mark\" data-prosemirror-mark-name=\"strong\"\u003ePower Reserve:\u003c\/strong\u003e Approximately 48 Hours\u003c\/p\u003e\u003c\/li\u003e\n\u003cli data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"listItem\" data-prosemirror-node-block=\"true\"\u003e\u003cp data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-node-block=\"true\"\u003e\u003cstrong data-prosemirror-content-type=\"mark\" data-prosemirror-mark-name=\"strong\"\u003eFunctions:\u003c\/strong\u003e Hours, Minutes, Small Seconds, Chronograph and Tachymeter\u003c\/p\u003e\u003c\/li\u003e\n\u003cli data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"listItem\" data-prosemirror-node-block=\"true\"\u003e\u003cp data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-node-block=\"true\"\u003e\u003cstrong data-prosemirror-content-type=\"mark\" data-prosemirror-mark-name=\"strong\"\u003eIncluded:\u003c\/strong\u003e Original Warranty Card\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"OMEGA","offers":[{"title":"Default Title","offer_id":48826568540260,"sku":"EB-287479807597","price":4695.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0763\/4308\/3108\/files\/57_9dffe4d9-0a12-4ff1-9536-81b4f5545923.png?v=1784927821","url":"https:\/\/kronos-watches.com\/products\/omega-speedmaster-professional-moonwatch-calibre-861-with-card-ref-3590-50","provider":"Kronos Watches","version":"1.0","type":"link"}