Reference 278274-0008 presents the Datejust 31 in Rolex's white Rolesor construction — a combination of Oystersteel and 18K white gold across the 31mm round case. The fixed fluted bezel is rendered in 18K white gold, while a screw-down crown featuring the Twinlock double waterproofness system and a screw-down caseback provide water resistance to 100 meters. Overhead, a scratch-resistant sapphire crystal with a cyclops lens magnifies the date display at 3 o'clock.
The dark grey dial draws the eye with diamond hour markers and silver-toned hands, offering a refined interplay of texture and sparkle. Powering the watch is the Rolex Calibre 2236, a perpetual self-winding movement delivering approximately 55 hours of power reserve. The analog display covers hours, minutes, seconds, and date functions.
The watch is fitted on an Oystersteel Jubilee bracelet with five-piece links, secured by a concealed folding Crownclasp. Offered with its original box and papers, this is a complete example of one of Rolex's most enduring references in the 31mm Datejust family.