{"product_id":"rolex-datejust-278240-31mm-blue-roman-domed-bezel-oyster-oystersteel","title":"Rolex Datejust 31 Reference 278240-0017 Blue Roman Numeral Dial Oystersteel","description":"\u003cp\u003eSized at 31 mm, the round Oystersteel case follows Rolex's Oyster architecture: a monobloc middle case, screw-down case back, and a screw-down Twinlock winding crown that together deliver waterproofness to 100 metres \/ 330 feet. A scratch-resistant sapphire crystal sits above the dial, fitted with a Cyclops lens to magnify the instantaneous date display.\u003c\/p\u003e\u003cp\u003eThe blue dial is dressed with Roman numerals, offering a classic legibility that complements the domed bezel's profile. The Oystersteel Oyster bracelet is constructed from three-piece solid links and fastens via a folding Oysterclasp equipped with an Easylink 5 mm comfort extension link for a precise, adjustable fit.\u003c\/p\u003e\u003cp\u003eInside runs the Calibre 2236, a perpetual mechanical self-winding movement made by Rolex, certified as a Superlative Chronometer to a precision of -2\/+2 seconds per day after casing. Its Syloxi silicon hairspring with patented geometry and high-performance Paraflex shock absorbers underpin reliability, while bidirectional winding via the Perpetual rotor delivers a power reserve of approximately 55 hours. Stop-seconds allows for precise time setting.\u003c\/p\u003e","brand":"It's That Time","offers":[{"title":"Default Title","offer_id":49919955599589,"sku":null,"price":12000.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0645\/5600\/7653\/files\/Rolex-278240-0017-blue-roman-oyster-1.jpg?v=1782916834","url":"https:\/\/itsthattimenyc.com\/products\/rolex-datejust-278240-31mm-blue-roman-domed-bezel-oyster-oystersteel","provider":"It's That Time ","version":"1.0","type":"link"}