{"product_id":"rolex-datejust-278344rbr-0024-dark-grey-roman-dial-31mm-domed-diamond-jubilee-watch","title":"Rolex Datejust 31 278344RBR-0024 Dark Grey Dial Domed Diamond Bezel Jubilee Watch","description":"\u003cp\u003eSized at 31mm, the Datejust 31 (ref. 278344RBR-0024) is built around a round White Rolesor case — Rolex's combination of Oystersteel and white gold — featuring a monobloc middle case, solid case back, and a screw-down winding crown with Twinlock double waterproofness. The domed bezel is set with diamonds, while a scratch-resistant sapphire crystal with a Cyclops lens over the date window sits above the dark grey dial dressed with Roman numeral hour markers. Water resistance extends to 100 metres \/ 330 feet.\u003c\/p\u003e\u003cp\u003eInside runs the Calibre 2236, a perpetual mechanical self-winding movement manufactured by Rolex. It delivers a precision of -2\/+2 seconds per day after casing, a power reserve of approximately 55 hours via bidirectional winding through the Perpetual rotor, and features a Syloxi silicon hairspring with patented geometry alongside Paraflex shock absorbers. Functions include centre hour, minute, and seconds hands, an instantaneous date with rapid setting, and stop-seconds for precise time setting. The movement is COSC certified.\u003c\/p\u003e\u003cp\u003eThe watch rides on a Jubilee bracelet with five-piece links in Oystersteel, fastened by a concealed folding Crownclasp. Reference 278344RBR-0024 brings together diamond ornamentation and a composed dark grey dial in a versatile 31mm format well suited to the Datejust's enduring character.\u003c\/p\u003e","brand":"It's That Time","offers":[{"title":"Default Title","offer_id":49919951765733,"sku":null,"price":14584.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0645\/5600\/7653\/files\/Rolex-278344rbr-0024-greyroman-domeddiamond-jubilee.jpg?v=1782916778","url":"https:\/\/itsthattimenyc.com\/products\/rolex-datejust-278344rbr-0024-dark-grey-roman-dial-31mm-domed-diamond-jubilee-watch","provider":"It's That Time ","version":"1.0","type":"link"}