The Rolex Datejust 31 reference 278289RBR-0012 is a mid-size luxury timepiece crafted from 18k white gold. This model features a 31mm Oyster case with a diamond-set bezel, offering a high-end jewelry appearance. The silver dial is finished with a sunray motif that creates subtle light reflections and is adorned with index hour markers and white gold hands. It is paired with the iconic President bracelet, characterized by its semi-circular three-piece links and a concealed folding Crownclasp, a configuration traditionally reserved for Rolex’s precious metal models.
At its core, the watch is powered by the in-house caliber 2236, a self-winding mechanical movement that is COSC and Superlative Chronometer certified. This movement incorporates a patented Syloxi silicon hairspring, which provides high resistance to magnetic fields and temperature variations, ensuring a precision of -2/+2 seconds per day. The watch offers a power reserve of approximately 55 hours and is equipped with a screw-down Twinlock crown and case back, providing water resistance up to 100 meters. The scratch-resistant sapphire crystal includes a Cyclops lens positioned at 3 o’clock to enhance the legibility of the instantaneous date complication.
General reviews of the 278289RBR highlight its status as a premier choice for those seeking a balance between elegance and daily wearability. The 31mm case size is frequently praised for being a modern alternative to smaller traditional ladies’ watches, providing a more substantial presence on the wrist without being overbearing. Collectors and enthusiasts often note the premium weight and feel of the solid white gold construction compared to stainless steel models. While the diamond-set bezel and President bracelet make it a significant investment, it is widely regarded as a versatile dress watch that maintains strong resale value due to its classic configuration and precious metal composition.