Rolex Lady-Datejust 31 31 mm 278241SSO Steel/Rose Gold Slate

The Rolex Lady-Datejust 31 is one of the most enduring icons in fine watchmaking — a model that has defined elegant precision since Rolex introduced the Datejust line in 1945, making it the first self-winding wristwatch to display the date in a window on the dial. The 31mm case size sits between the petite 28mm and the full-sized 36mm, offering a versatile fit that flatters a wide range of wrists while providing enough dial presence to be noticed. Reference 278241SSO represents a modern chapter of this legacy, blending the cool sophistication of Oystersteel with the warm radiance of Rolex's proprietary 18k Everose gold alloy — a rose gold formulation engineered by Rolex for exceptional resistance to fading and tarnish.

The slate dial of ref. 278241SSO is among the most sought-after dial options in the current Lady-Datejust 31 lineup. Slate carries an understated, almost mineralogical depth that shifts subtly under different lighting conditions, appearing charcoal in lower light and revealing cooler grey-blue undertones under daylight. Index hour markers anchor the dial with crisp legibility, and the date aperture at three o'clock — a Datejust signature — is magnified by the iconic Cyclops lens. The combination of a dark, complex dial with the blush warmth of Everose gold is a pairing that feels effortlessly modern without sacrificing the classical proportions the Datejust has always represented.

The smooth domed bezel in 18k Everose gold is the defining architectural choice on this reference. Unlike fluted or diamond-set bezels, the smooth domed profile is quietly confident — it catches light gently and frames the slate dial without competing with it. This bezel style has been part of the Datejust's vocabulary for decades and remains the choice for buyers who prefer clean lines and a dressy yet unadorned aesthetic. Paired with the three-link Oyster bracelet in Oystersteel and Everose gold, the watch achieves a cohesive two-tone look that transitions seamlessly from business attire to formal evening wear.

Powering the Lady-Datejust 31 is a Rolex self-winding automatic movement, representing Rolex's commitment to in-house manufacturing and precision timekeeping. Rolex movements in the Lady-Datejust line are chronometer-certified by the Swiss Official Chronometer Testing Institute (COSC) and then further regulated by Rolex's own standards before leaving Geneva — a dual-certification process that places accuracy requirements well above industry norms. The Oyster case provides the movement with robust environmental protection, and this reference carries a water resistance rating of 100 meters (330 feet), making it genuinely suited to everyday wear including exposure to water.

On the wrist, the 278241SSO occupies that rare sweet spot where sportiness and refinement coexist. At 31mm the case sits close to the wrist with a low profile that pairs as naturally with a tailored sleeve as with weekend casualwear. The Oyster bracelet's solid-link construction and Rolex's hallmark satin-and-polish finishing give it a substantive feel that belies the watch's slender dimensions. This is a piece that buyers return to again and again in their collection — not merely because it holds value, but because it genuinely works for almost every occasion.

At Bizak & Co., we specialize in sourcing and presenting pre-owned and grey-market luxury timepieces with the transparency and depth of knowledge that discerning collectors deserve. The Rolex Lady-Datejust 31 ref. 278241SSO in slate with Everose gold is a highly covetable reference that generates consistent demand — availability is limited. We invite you to contact our team directly to confirm current condition details, inquire about box and papers status, and discuss purchase or consignment. Bizak & Co. is not an authorized Rolex dealer; all Rolex trademarks belong to Rolex SA.