{"product_id":"rolex-lady-datejust-31-31-mm-278243cso","title":"Rolex Lady-Datejust 31 31 mm 278243CSO Steel\/Yellow Gold Champagne","description":"\u003cp\u003eThe Rolex Lady-Datejust 31 reference 278243CSO is a brand-new 31mm two-tone timepiece combining Oystersteel and yellow gold with a luminous champagne dial and a classic yellow gold domed bezel on an Oyster bracelet. Powered by a self-winding automatic movement and rated to 100 meters (330 feet) of water resistance, this reference exemplifies Rolex's unwavering commitment to precision and elegance in a mid-size case perfectly suited to a broad range of wrists.\u003c\/p\u003e\n\u003cp\u003eThe 278243CSO occupies a sweet spot in the Lady-Datejust family, offering the timeless warmth of yellow gold accents alongside the durability of Oystersteel in a versatile 31mm format that transitions effortlessly from day to evening. Contact Bizak \u0026amp; Co. today to purchase this certified authentic Lady-Datejust 31 and experience our white-glove buying process.\u003c\/p\u003e\n\u003cp\u003eCompare it across \u003ca href=\"\/collections\/rolex-lady-datejust-31\"\u003eevery Lady-Datejust 31 reference we carry\u003c\/a\u003e, or browse the full \u003ca href=\"\/collections\/rolex\"\u003eRolex collection\u003c\/a\u003e at Bizak \u0026amp; Co.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBuy this Lady-Datejust 31, trade in your current watch, or sell us yours.\u003c\/strong\u003e Contact Bizak \u0026amp; Co. to make an offer or request a fair-market valuation.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What makes the Rolex Lady-Datejust 31 ref. 278243CSO special?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Reference 278243CSO combines Oystersteel and yellow gold Rolesor construction with a warm champagne dial and a yellow gold domed bezel in a versatile 31mm Oyster case. This two-tone configuration is one of the most classically elegant expressions of the Lady-Datejust family, offering timeless appeal that transcends trend cycles. It is offered here in certified brand-new condition with full box and papers.\"}},{\"@type\":\"Question\",\"name\":\"What movement powers the Rolex Lady-Datejust 31 278243CSO?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The 278243CSO is driven by a Rolex self-winding automatic perpetual movement, a manufacture caliber from the current Lady-Datejust generation known for chronometric precision and long-term reliability. The movement is sealed inside an Oyster case rated to 100 meters (330 feet) of water resistance for dependable everyday protection. Rolex movements of this generation are COSC-certified superlative chronometers.\"}},{\"@type\":\"Question\",\"name\":\"What is the case size of the Lady-Datejust 278243CSO?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The case measures 31mm in diameter, placing it in the mid-size tier of the Datejust family between the 28mm and 36mm references. This size flatters a wide range of wrist sizes and is popular among buyers who want a distinctly feminine silhouette without sacrificing presence. The case is crafted from Oystersteel and yellow gold, measuring a proportionate thickness consistent with current Lady-Datejust production.\"}},{\"@type\":\"Question\",\"name\":\"Is the Rolex Lady-Datejust 31 good for everyday wear?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Absolutely—the Lady-Datejust 31 is engineered for daily wear, combining a robust Oyster case, a screw-down crown, and 100-meter water resistance with dress-watch aesthetics. The Oystersteel component of the Rolesor construction is highly resistant to corrosion and scratching, meaning the watch holds up beautifully through the rigors of an active lifestyle. Its self-winding movement is sustained simply by the natural motion of the wrist, requiring no battery changes.\"}},{\"@type\":\"Question\",\"name\":\"What is the dial color and bezel on the 278243CSO?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"This reference features a champagne dial—a warm, golden-toned surface that shifts subtly in different lighting conditions and pairs harmoniously with the yellow gold accents throughout the watch. The bezel is a smooth yellow gold domed bezel, an elegant and understated choice that frames the dial without distraction. Together, the champagne dial and domed bezel give this Lady-Datejust a cohesive, luxurious palette.\"}},{\"@type\":\"Question\",\"name\":\"How can I buy the Rolex Lady-Datejust 31 278243CSO from Bizak \u0026 Co.?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"You can purchase this certified brand-new Lady-Datejust 31 ref. 278243CSO directly at bizakandco.com or by contacting our team through the site's inquiry form or phone line. Every Rolex we sell is verified for authenticity and comes with its original box and papers for complete peace of mind. Bizak \u0026 Co. is not an authorized Rolex dealer, but we specialize in curating authenticated new and pre-owned Rolex timepieces with a commitment to transparency and client satisfaction.\"}}]}\u003c\/script\u003e","brand":"Rolex","offers":[{"title":"Default Title","offer_id":48860690284779,"sku":"278243CSO","price":14879.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0758\/8688\/7147\/files\/278243CSO_27f4abad-6bde-435e-b5ac-675a06a1449e.jpg?v=1781361854","url":"https:\/\/bizakandco.com\/products\/rolex-lady-datejust-31-31-mm-278243cso","provider":"Bizak \u0026 Co.","version":"1.0","type":"link"}