{"product_id":"rolex-datejust-31mm-278243-0017-dark-grey-dial-yellow-rolesor-oyster-watch","title":"Rolex Datejust 31 Reference 278243-0017 Dark Grey Diamond Dial Yellow Rolesor Oyster Watch","description":"\u003cp\u003eAt 31 mm, this Datejust 31 presents a dark grey dial adorned with diamonds, including a large VI index set with 11 diamonds and Roman numeral hour markers throughout. The domed bezel and scratch-resistant sapphire crystal — fitted with a Cyclops lens over the date window — complete a refined, jewel-touched face. The case is constructed in Yellow Rolesor, Rolex's combination of Oystersteel and yellow gold, featuring a monobloc middle case, screw-down case back, and a Twinlock double-waterproofness winding crown rated to 100 metres \/ 330 feet.\u003c\/p\u003e\u003cp\u003eThe matching Oyster bracelet is built from three-piece solid links in the same Yellow Rolesor combination, secured by a folding Oysterclasp with an Easylink 5 mm comfort extension link. Inside runs the Calibre 2236, a perpetual mechanical self-winding movement developed by Manufacture Rolex. It features a Syloxi silicon hairspring with patented geometry, Paraflex shock absorbers, bidirectional winding via a Perpetual rotor, approximately 55 hours of power reserve, and a precision rating of -2\/+2 seconds per day after casing.\u003c\/p\u003e\u003cp\u003eThe Calibre 2236 carries Superlative Chronometer certification, reflecting both COSC testing and Rolex's own post-casing verification. Functions include centre hour, minute, and seconds hands, an instantaneous date with rapid setting, and stop-seconds for precise time adjustment — practical mechanics wrapped in an elegantly appointed case.\u003c\/p\u003e","brand":"It's That Time","offers":[{"title":"Default Title","offer_id":49919889670373,"sku":null,"price":18149.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0645\/5600\/7653\/files\/Rolex-278243-0017-darkgreyromandiamond-domed-oyster.jpg?v=1782916142","url":"https:\/\/itsthattimenyc.com\/products\/rolex-datejust-31mm-278243-0017-dark-grey-dial-yellow-rolesor-oyster-watch","provider":"It's That Time ","version":"1.0","type":"link"}