{"product_id":"rolex-sea-dweller-1665-mk3-matte-dial-w3861","title":"Rolex Sea-Dweller 1665 MK3 Matte Dial","description":"\u003cp data-pm-slice=\"1 3 []\" data-prosemirror-node-block=\"true\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-content-type=\"node\"\u003eThe Rolex Sea-Dweller was introduced in 1967 as the ultimate tool watch for professional saturation divers. Its development was driven by a very real challenge faced by the commercial deep-sea diving industry.\u003c\/p\u003e\n\u003cp data-pm-slice=\"1 3 []\" data-prosemirror-node-block=\"true\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-content-type=\"node\"\u003e \u003c\/p\u003e\n\u003cp data-prosemirror-node-block=\"true\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-content-type=\"node\"\u003eDuring the 1960s, commercial divers working on pioneering saturation diving projects—such as France's COMEX and the U.S. Navy's SEALAB program—spent days living and working inside pressurised underwater habitats while breathing a helium-rich gas mixture known as Heliox.\u003c\/p\u003e\n\u003cp data-prosemirror-node-block=\"true\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-content-type=\"node\"\u003e \u003c\/p\u003e\n\u003cp data-prosemirror-node-block=\"true\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-content-type=\"node\"\u003eBecause helium molecules are exceptionally small, they could penetrate the watch's rubber gaskets and accumulate inside the case. During decompression, the trapped helium expanded faster than it could escape, creating enough internal pressure to force the acrylic crystal from the watch.\u003c\/p\u003e\n\u003cp data-prosemirror-node-block=\"true\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-content-type=\"node\"\u003e \u003c\/p\u003e\n\u003cp data-prosemirror-node-block=\"true\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-content-type=\"node\"\u003eTo solve this problem, Rolex co-developed and patented the Helium Escape Valve (HEV). Positioned at 9 o'clock on the case, this ingenious one-way valve automatically releases excess helium once the internal pressure reaches a critical level, preventing damage to the crystal and ensuring the watch remains watertight and fully functional.\u003c\/p\u003e\n\u003cp data-prosemirror-node-block=\"true\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-content-type=\"node\"\u003e \u003c\/p\u003e\n\u003cp data-prosemirror-node-block=\"true\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-content-type=\"node\"\u003eOffered here is the inaugural Sea-Dweller reference, the legendary ref. 1665, dating to 1979. The watch features a beautifully preserved case paired with a gently faded black bezel insert, giving it the unmistakable character collectors love to see.\u003c\/p\u003e\n\u003cp data-prosemirror-node-block=\"true\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-content-type=\"node\"\u003e \u003c\/p\u003e\n\u003cp data-prosemirror-node-block=\"true\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-content-type=\"node\"\u003eThe matte black MK3 dial is in excellent condition and displays an attractive warm yellow patina across the lume plots and hands, adding just the right amount of vintage charm while remaining wonderfully balanced.\u003c\/p\u003e\n\u003cp data-prosemirror-node-block=\"true\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-content-type=\"node\"\u003e \u003c\/p\u003e\n\u003cp data-prosemirror-node-block=\"true\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-content-type=\"node\"\u003eThe watch is fitted with an Oyster bracelet, reference 93150, complete with 585 end links and a clasp stamped \"VD,\" all presented in excellent condition.\u003c\/p\u003e\n\u003cp data-prosemirror-node-block=\"true\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-content-type=\"node\"\u003e \u003c\/p\u003e\n\u003cp data-prosemirror-node-block=\"true\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-content-type=\"node\"\u003eInside beats a movement that has been fully serviced by our watchmaker and is ready to provide many years of reliable enjoyment.\u003c\/p\u003e\n\u003cp data-prosemirror-node-block=\"true\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-content-type=\"node\"\u003e \u003c\/p\u003e\n\u003cp data-prosemirror-node-block=\"true\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-content-type=\"node\"\u003eThe Sea-Dweller ref. 1665 is more than just another vintage Rolex—it is a genuine piece of professional diving history. Built to solve a real-world engineering challenge, it remains one of the purest expressions of Rolex's tool-watch philosophy and an essential reference for any serious vintage Rolex collection.\u003c\/p\u003e\n\u003cp data-prosemirror-node-block=\"true\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-content-type=\"node\"\u003e \u003c\/p\u003e\n\u003cp data-prosemirror-node-block=\"true\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-content-type=\"node\"\u003eFrom the depths of the ocean to the heart of a great collection, this Sea-Dweller is ready for its next custodian!\u003c\/p\u003e\n\u003cp data-prosemirror-node-block=\"true\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-content-type=\"node\"\u003e \u003c\/p\u003e\n\u003cp data-prosemirror-node-block=\"true\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-content-type=\"node\"\u003e\u003cem data-prosemirror-mark-name=\"em\" data-prosemirror-content-type=\"mark\"\u003eSpecifications:\u003c\/em\u003e\u003c\/p\u003e\n\u003cp data-prosemirror-node-block=\"true\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-content-type=\"node\"\u003e \u003c\/p\u003e\n\u003cul data-prosemirror-node-block=\"true\" data-prosemirror-node-name=\"bulletList\" data-prosemirror-content-type=\"node\" class=\"ak-ul\"\u003e\n\u003cli data-prosemirror-node-block=\"true\" data-prosemirror-node-name=\"listItem\" data-prosemirror-content-type=\"node\"\u003e\n\u003cp data-prosemirror-node-block=\"true\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-content-type=\"node\"\u003eRolex Sea-Dweller Reference 1665\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-prosemirror-node-block=\"true\" data-prosemirror-node-name=\"listItem\" data-prosemirror-content-type=\"node\"\u003e\n\u003cp data-prosemirror-node-block=\"true\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-content-type=\"node\"\u003e40mm steel case , gentle faded bezel insert\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-prosemirror-node-block=\"true\" data-prosemirror-node-name=\"listItem\" data-prosemirror-content-type=\"node\"\u003e\n\u003cp data-prosemirror-node-block=\"true\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-content-type=\"node\"\u003eSerial 6153xxx dating to 1979\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-prosemirror-node-block=\"true\" data-prosemirror-node-name=\"listItem\" data-prosemirror-content-type=\"node\"\u003e\n\u003cp data-prosemirror-node-block=\"true\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-content-type=\"node\"\u003eMk3 dial with warm, yellow patina\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-prosemirror-node-block=\"true\" data-prosemirror-node-name=\"listItem\" data-prosemirror-content-type=\"node\"\u003e\n\u003cp data-prosemirror-node-block=\"true\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-content-type=\"node\"\u003eSolid-link Oyster bracelet 93150 with 585 end links\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-prosemirror-node-block=\"true\" data-prosemirror-node-name=\"listItem\" data-prosemirror-content-type=\"node\"\u003e\n\u003cp data-prosemirror-node-block=\"true\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-content-type=\"node\"\u003eFully serviced by our watchmaker\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-prosemirror-node-block=\"true\" data-prosemirror-node-name=\"listItem\" data-prosemirror-content-type=\"node\"\u003e\n\u003cp data-prosemirror-node-block=\"true\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-content-type=\"node\"\u003eOne-year mechanical warranty\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-prosemirror-node-block=\"true\" data-prosemirror-node-name=\"listItem\" data-prosemirror-content-type=\"node\"\u003e\n\u003cp data-prosemirror-node-block=\"true\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-content-type=\"node\"\u003eFree worldwide FedEx Priority shipping\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Rolex","offers":[{"title":"Default Title","offer_id":58660731748697,"sku":"W-3861","price":16500.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0961\/8613\/8969\/files\/W-3861RolexSea-dwellermk3dialRef1665_009_1x1_237d3418-059f-40fe-bd7e-5f6dbe823988.jpg?v=1784813888","url":"https:\/\/bulangandsons.com\/products\/rolex-sea-dweller-1665-mk3-matte-dial-w3861","provider":"Bulang and Sons USA","version":"1.0","type":"link"}