The Rolex Datejust 31 (reference 178240) is an iconic timepiece featuring a 31mm Oystersteel case and a robust Oyster bracelet. It is powered by the precise automatic Caliber 2235, offering a power reserve of approximately 48 hours. This model boasts a water resistance of 100 meters. The distinctive rhodium grey dial, often adorned with a subtle floral motif, provides a sophisticated and elegant aesthetic, making it a versatile watch for various occasions.