{"product_id":"omega-seamaster-automatic-mattress-diamond-dial-cal-552-gold-capped-from-1962-us-market","title":"Omega Seamaster Automatic, “Mattress” Diamond Dial, Cal. 552, Gold Capped, From 1962 (US Market)","description":"\u003cp data-start=\"118\" data-end=\"344\"\u003eThis \u003cstrong data-start=\"123\" data-end=\"162\"\u003eOmega Seamaster Automatic from 1962\u003c\/strong\u003e is a particularly characterful example from the early 1960s, produced specifically for the \u003cstrong data-start=\"254\" data-end=\"267\"\u003eUS market\u003c\/strong\u003e, where Omega often introduced unique case constructions and dial variations.\u003c\/p\u003e\n\u003cp data-start=\"346\" data-end=\"780\"\u003eThe case is a \u003cstrong data-start=\"360\" data-end=\"398\"\u003egold capped monocoque construction\u003c\/strong\u003e, a one-piece design that was both technically advanced and rarely used compared to traditional snap-back cases. This construction improves structural integrity and was part of Omega’s effort to enhance durability and water resistance during this period. The gold capped finish offers the rich appearance of solid gold, while providing greater long-term resilience in everyday wear.\u003c\/p\u003e\n\u003cp data-start=\"782\" data-end=\"945\"\u003eAt approximately classic Seamaster proportions, the watch wears with understated confidence—refined, but with enough presence to stand out due to its unusual dial.\u003c\/p\u003e\n\u003cp data-start=\"947\" data-end=\"1428\"\u003eThe dial is what sets this piece apart. It features the rare \u003cstrong data-start=\"1008\" data-end=\"1048\"\u003e“mattress” (diamond-pattern) texture\u003c\/strong\u003e, a three-dimensional surface that plays beautifully with light, giving depth and movement rarely seen in standard Seamaster models. The applied hour markers and dauphine hands sit above this textured surface, creating a layered and highly sophisticated aesthetic. This type of dial is far less common than flat or sunburst variants and is increasingly sought after by collectors.\u003c\/p\u003e\n\u003cp data-start=\"1430\" data-end=\"1758\"\u003ePowering the watch is the \u003cstrong data-start=\"1456\" data-end=\"1477\"\u003eOmega Caliber 552\u003c\/strong\u003e, one of the most respected automatic movements of its time. A 24-jewel, no-date movement, the Cal. 552 is known for its reliability, smooth winding, and excellent long-term performance. It represents Omega’s engineering at its peak during the golden era of mechanical watchmaking.\u003c\/p\u003e\n\u003cp data-start=\"1430\" data-end=\"1758\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong data-start=\"517\" data-end=\"525\"\u003eCASE\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cmeta charset=\"utf-8\"\u003eCase size: 34 mm \u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eStrap: 18 mm\u003c\/li\u003e\n\u003cli\u003eGold capped monocoque case\u003c\/li\u003e\n\u003cli\u003eProduced for US market\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong data-start=\"731\" data-end=\"739\"\u003eDIAL\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOriginal “mattress” (diamond-pattern) textured dial\u003c\/li\u003e\n\u003cli\u003eRare and highly collectible configuration\u003c\/li\u003e\n\u003cli\u003eApplied hour markers\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eExcellent depth and light reflection across the surface\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong data-start=\"960\" data-end=\"972\"\u003eMOVEMENT\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAutomatic Omega Cal. 552\u003c\/li\u003e\n\u003cli\u003eNo-date configuration\u003c\/li\u003e\n\u003cli\u003eIn-house Swiss movement\u003c\/li\u003e\n\u003cli\u003eKnown for reliability and durability\u003c\/li\u003e\n\u003cli\u003eFully functional and running properly\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"DuMarko","offers":[{"title":"Default Title","offer_id":49044913979644,"sku":null,"price":2600.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0601\/2266\/1116\/files\/omega-seamaster-automatic-mattress-diamond-dial-cal-552-gold-capped-from-1962-us-market-9224666.jpg?v=1777732403","url":"https:\/\/dumarko.com\/fr\/products\/omega-seamaster-automatic-mattress-diamond-dial-cal-552-gold-capped-from-1962-us-market","provider":"DuMarko","version":"1.0","type":"link"}