Rolex Datejust 31 Everose Rolesor — White Roman Dial | Ref. 278271

Introduced at Baselworld 2019 as part of Rolex's generational refresh of the Datejust 31, reference 278271 demonstrates how effectively the brand renews an established design without dismantling its identity. The case is Everose Rolesor — Rolex's proprietary union of 904L Oystersteel and 18K Everose gold — and the fluted bezel, rendered entirely in Everose gold, delivers the vertical-groove aesthetic that signals formal Rolex provenance with unmistakable authority. The rosy warmth of the Everose alloy differentiates this configuration from white-gold-bezelled counterparts, imparting a softer, more romantic quality.

White Roman numerals on this 31 mm dial represent one of the Datejust's most enduringly legible typographies. Each character is rendered at a scale that respects the proportions of the case, while the warm Everose hardware creates a deliberate warm-cool contrast with the crisp white ground — a dialogue that more monochromatic configurations cannot produce. Applied Roman numerals have a relief quality that index markers lack, casting micro-shadows that add tactile presence to the dial reading experience. The Cyclops lens at three o'clock is, as ever, Rolex's proprietary addition to the sapphire crystal.

Calibre 2236, the self-winding movement developed for the 28–31 mm Datejust family, drives this reference with a Syloxi silicon hairspring — a component Rolex developed independently. Silicon's negligible thermal expansion coefficient and complete imperviousness to magnetic fields yield a hairspring whose mean rate across temperature variations is tighter than that achievable in conventional metal. A power reserve of approximately 55 hours, stop-seconds, and instantaneous date change complete the picture. The Everose Rolesor Jubilee bracelet, with its semi-circular three-piece links, wears with the supple character of a fine bracelet.