Enduring Legacy The Rolex Datejust 31 offers a timeless take on the brands most celebrated model. With its balanced proportions and signature date display, it remains a cornerstone of the Rolex catalogue. Compact Sophistication This reference, from 2011, features a 31mm Oystersteel case with a domed bezel and a black dial set with Roman numerals. Powered by the calibre 2235 automatic movement, it offers a 48-hour power reserve and is paired with an Oyster bracelet featuring an Oysterclasp and Easylink extension.