{"product_id":"rolex-datejust-278278-0036-dark-grey-31mm-dial-president-bracelet-watch","title":"Rolex Datejust 31 278278-0036 Dark Grey Diamond Dial Yellow Gold President Bracelet Watch","description":"\u003cp\u003eHoused in a round 31 mm case crafted from 18 kt yellow gold, this Datejust 31 features the Oyster architecture: a monobloc middle case, solid screw-down case back, and a screw-down winding crown with Twinlock double waterproofness, delivering water resistance to 100 metres. The fluted bezel frames a scratch-resistant sapphire crystal fitted with a Cyclops lens over the date window.\u003c\/p\u003e\u003cp\u003eThe dark grey dial is set with diamonds in 18 kt gold settings, while the President bracelet — rendered in 18 kt yellow gold with semi-circular three-piece links — fastens via a concealed folding Crownclasp. Together, the dial and bracelet create a cohesive presence defined by warm gold tones and diamond brilliance.\u003c\/p\u003e\u003cp\u003ePower comes from Calibre 2236, a perpetual mechanical self-winding movement manufactured by Rolex. It runs on a bidirectional Perpetual rotor, incorporates a Syloxi silicon hairspring with patented geometry and Paraflex shock absorbers, offers a power reserve of approximately 55 hours, and achieves COSC-certified precision of -2\/+2 seconds per day after casing. Functions include centre hour, minute and seconds hands, an instantaneous date with rapid setting, and stop-seconds for precise time adjustment.\u003c\/p\u003e","brand":"It's That Time","offers":[{"title":"Default Title","offer_id":49919950586085,"sku":null,"price":41658.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0645\/5600\/7653\/files\/Rolex-278278-0036-greydiamonds-fluted-president.jpg?v=1782916759","url":"https:\/\/itsthattimenyc.com\/products\/rolex-datejust-278278-0036-dark-grey-31mm-dial-president-bracelet-watch","provider":"It's That Time ","version":"1.0","type":"link"}