The Rolex Datejust 31 reference 278344RBR-0017 is a luxury timepiece that features a 31mm case crafted from White Rolesor, which is a signature Rolex combination of Oystersteel and 18 kt white gold. This model is distinguished by its dark grey rhodium dial with a sunray finish that creates subtle light reflections. The dial is adorned with 18 kt gold baton hour markers and features the iconic Cyclops lens at the 3 o’clock position for easy reading of the date. A primary aesthetic highlight is the domed bezel, which is meticulously set with 24 brilliant-cut diamonds of varying sizes in a star-like pattern. The watch is paired with a three-piece link Oyster bracelet made of Oystersteel, featuring a folding Oysterclasp and the Easylink 5mm comfort extension link for adjustable sizing.
The watch is powered by the in-house Rolex Calibre 2236, a self-winding mechanical movement that is Superlative Chronometer certified with a precision of -2/+2 seconds per day. It incorporates a Syloxi silicon hairspring for high resistance to magnetic fields and temperature variations, providing a power reserve of approximately 55 hours. The timekeeping complications are streamlined, focusing on central hour, minute, and seconds hands alongside an instantaneous date with a rapid-setting feature. For durability, the 31mm Oyster case utilizes a Twinlock double waterproofness system and a scratch-resistant sapphire crystal, ensuring a water resistance rating of 100 meters.
General reviews of the reference 278344RBR-0017 often emphasize its role as a versatile and refined accessory for women, blending the sportiness of the Oyster bracelet with the high-end luxury of a diamond-set bezel. Enthusiasts frequently praise the unique “star” diamond setting on the bezel for providing a more contemporary and artistic alternative to traditional full-diamond bezels. While the 31mm size is noted for its elegant proportions on smaller wrists, some reviews mention that the diamond-set bezel can make the watch appear slightly larger and more prominent than its smooth or fluted counterparts. Overall, it is highly regarded for its robust construction, precise movement, and the sophisticated contrast between the charcoal-toned dial and the brilliance of the white gold and diamonds.