The Rolex Datejust 31 reference 278383RBR-0013 is an elegant mid-size luxury timepiece that features a 31mm case crafted from Yellow Rolesor, a signature Rolex combination of Oystersteel and 18k yellow gold. The watch is distinguished by its champagne-colored dial with index hour markers and a polished 18k yellow gold bezel set with 46 brilliant-cut diamonds. This model is paired with a three-piece link Oyster bracelet that includes a folding Oysterclasp and the Easylink 5mm comfort extension link for easy adjustments. It is powered by the manufacture caliber 2236, a self-winding mechanical movement featuring a Syloxi hairspring in silicon and high-performance Paraflex shock absorbers, providing a power reserve of approximately 55 hours and Superlative Chronometer precision of -2/+2 seconds per day.
In terms of complications and functionality, the timepiece features center hour, minute, and seconds hands, along with an instantaneous date display visible through a Cyclops magnification lens at the 3 o’clock position. The movement includes a stop-seconds function for precise time setting. Its Oyster case construction, featuring a screw-down case back and a Twinlock double waterproofness system for the winding crown, ensures a water resistance rating of 100 meters. The dial is protected by a scratch-resistant sapphire crystal, enhancing the watch’s durability for daily wear.
General reviews of the Datejust 31 278383RBR emphasize its refined aesthetic and the high quality of its “Super-Case” construction, which offers a more robust feel compared to older mid-size generations. Owners and critics often praise the harmonious blend of brushed steel and polished yellow gold, noting that the diamond-set bezel adds a significant level of luxury without compromising the watch’s classic silhouette. The caliber 2236 is highly regarded for its reliability and modern technical features, making it a preferred choice for those seeking a prestigious yet functional daily accessory. While its smaller size and jewelry-like features often lead to it being categorized as a women’s watch, its technical specifications remain consistent with Rolex‘s professional standards.