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Each watch we sell comes with original box & papers.
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Bizak & Co. Warranty
Every watch is checked by us before shipping.
*As with all fine timepieces, prices and availability are subject to market conditions and do not constitute a binding agreement.
By Rolex
The Rolex Datejust Lady 31 reference 278240BDJ is a 31mm automatic wristwatch crafted in stainless steel and white gold, featuring a brilliant blue diamond dial and a custom diamond-set bezel on a classic Jubilee bracelet. This reference sits at the heart of Rolex's most iconic line, blending the timeless Datejust silhouette with the added brilliance of diamonds and a vivid blue dial finish.
Reference 278240BDJ stands out for its harmonious combination of sporty Jubilee bracelet comfort and haute-joaillerie detailing, making it equally at home in a boardroom or at a formal occasion. Contact Bizak & Co. to learn more about acquiring this Rolex Datejust Lady 31 or to browse our full selection of luxury timepieces for sale online.
Compare it across every Datejust Lady 31 reference we carry, or browse the full Rolex collection at Bizak & Co.
Buy this Datejust Lady 31, trade in your current watch, or sell us yours. Contact Bizak & Co. to make an offer or request a fair-market valuation.
Reference Number 278240BDJ
Model Family Datejust Lady 31
Movement Automatic
Case Material Two-Tone
Bracelet Material Two-Tone
Dial Blue diamond dial
Case Dimension 31mm
Year 2025
Condition Brand New
Box & Papers Full Set
Each watch we sell comes with original box & papers.
You're buying from genuine people, 30 years in business.
Every watch is checked by us before shipping.
Every watch you buy from us is backed by our 5-year warranty—because luxury should come with long-term peace of mind.
If anything goes wrong mechanically due to a manufacturing issue, we’ll take care of it. No stress. No surprises.
Because trust isn’t built in a transaction—it’s built over time.
Our costumers trust us and we trust them. That's why we're boldly presenting the best return policy in the industry.
We take all the risk so you don't have to.
For high-value orders, we offer our exclusive Signature Personal Delivery—where one of our team members personally flies out to hand-deliver your watch.
Because some pieces deserve more than just shipping—they deserve a handshake.