{"product_id":"rolex-datejust-278381rbr-0027-chocolate-diamond-31mm-dial-diamond-set-bezel-and-oyster-bracelet-watch","title":"Rolex Datejust 31 Reference 278381RBR-0027 Chocolate Diamond Dial Diamond-Set Bezel Everose Rolesor Oyster Bracelet","description":"\u003cp\u003eAt 31 mm, the Datejust 31 offers a refined scale that wears with quiet presence. The round case is crafted in Everose Rolesor — Rolex's combination of Oystersteel and Everose gold — and follows the Oyster architecture: a monobloc middle case, solid screw-down case back, and screw-down Twinlock winding crown for waterproofness to 100 metres \/ 330 feet. A scratch-resistant sapphire crystal with a Cyclops lens over the date window sits above the chocolate dial, which is set with diamonds in 18 kt gold settings, while the bezel is itself set with diamonds.\u003c\/p\u003e\u003cp\u003eThe Oyster bracelet, constructed from three-piece solid links in Everose Rolesor, closes with a folding Oysterclasp featuring an Easylink 5 mm comfort extension link. Inside, Caliber 2236 — a perpetual, mechanical, self-winding movement from Manufacture Rolex — delivers bidirectional winding via a Perpetual rotor and a power reserve of approximately 55 hours. The oscillator uses a Syloxi silicon hairspring with patented geometry and high-performance Paraflex shock absorbers, achieving a precision of -2\/+2 seconds per day after casing. The movement is COSC certified.\u003c\/p\u003e\u003cp\u003eFunctions include centre hour, minute, and seconds hands, instantaneous date with rapid setting, and stop-seconds for precise time setting. Reference 278381RBR-0027 represents the Datejust 31 in one of its most distinctive dial and bezel configurations.\u003c\/p\u003e","brand":"It's That Time","offers":[{"title":"Default Title","offer_id":49919942361317,"sku":null,"price":26774.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0645\/5600\/7653\/files\/Rolex-278381rbr-0027-chocolatediamond-diamondset-oyster.jpg?v=1782916647","url":"https:\/\/itsthattimenyc.com\/products\/rolex-datejust-278381rbr-0027-chocolate-diamond-31mm-dial-diamond-set-bezel-and-oyster-bracelet-watch","provider":"It's That Time ","version":"1.0","type":"link"}