Certified Authenticity
Every watch is authenticated before delivery.
Real Family Business
You're buying from genuine people, 30 years in business.
Bizak & Co. Warranty
Every watch is checked by us before shipping.
Reference 278344RBR
Rolex Datejust 31 31 mm 278344RBRBLURJ Steel/White Gold/Diamonds Blue
By Rolex
Sourced to order. We confirm the watch, condition and final price before purchase. Reference images shown.
Eligible watches: 90-day returns for store credit only. Brand-new watches and other exclusions are final sale. Return terms.
The Rolex Datejust 31 reference 278344RBR is a 31mm mid-size luxury watch crafted in Oystersteel and 18k white gold, featuring a bright blue Roman numeral dial and an 18k white gold domed bezel set with diamonds. It rides on Rolex's iconic Jubilee bracelet, combining elegance with everyday wearability. This reference represents one of Rolex's most refined expressions of the Datejust family.
What sets the 278344RBR apart is the striking combination of diamond brilliance, a vivid blue dial with Roman numerals, and the classic Jubilee bracelet—a trio that makes it equally at home at a formal dinner or a weekend brunch. Contact Bizak and Co. today to inquire about availability, pricing, or to purchase this exceptional Rolex Datejust 31 online.
Compare it across every Datejust 31 reference we carry, or browse the full Rolex collection at Bizak & Co.
Buy this Datejust 31, trade in your current watch, or sell us yours. Contact Bizak & Co. to make an offer or request a fair-market valuation.
Every watch is authenticated before delivery.
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.
Eligible watches may be returned within 90 days for store credit. Brand-new watches and other exclusions are final sale.
U.S. overnight shipping is $100; international shipping is $500. Dispatch takes 2–3 business days after your wire clears. International transit times vary. Shipping details.