About the Rolex Datejust 31 278344RBR
The Rolex Datejust is widely recognized as the archetype of the classic dress watch, having introduced an instantaneously date display at 3 o'clock to the wristwatch world decades ago and never relinquishing its position as the benchmark for elegant, everyday luxury. The 31 mm case size sits between the traditional Lady-Datejust 28 and the full-size 36, making it a versatile choice for wearers who prefer a midsize profile with feminine proportions. Reference 278344RBR defines itself through its Rolesor construction—pairing the corrosion-resistant Oystersteel case and bracelet with an 18 ct white gold bezel set with a continuous row of diamonds—lending the watch an effortlessly luminous presence on the wrist. The Oyster bracelet and Oyster case provide the tool-watch durability and water resistance Rolex is known for, wrapped in a jewellery-forward aesthetic that has made this reference a perennial favorite.
What to Look For
When comparing references within the 278344RBR family, focus first on dial color and texture, as options range from classic silver and white to richer pink, grey, green, and black executions, each dramatically changing the watch's character and collectibility. Hour-marker configuration also varies by suffix—some references feature diamond-set indices while others use applied Roman numerals or batons—so confirming the exact suffix against photos and paperwork is essential when you buy. Diamond-set bezels and dial variants in desirable colors such as green and pink historically command stronger premiums on the secondary market, so condition of the bezel stones and originality of the dial are primary value drivers to verify.
Frequently Asked Questions
What does the RBR suffix mean on the Rolex Datejust 31 278344RBR?
RBR is Rolex's internal designation indicating that the watch features an 18 ct white gold bezel set with a continuous row of brilliant-cut diamonds. This distinguishes the 278344RBR from otherwise similar references that carry a smooth, fluted, or non-diamond bezel. The diamond bezel is factory-set by Rolex and is a key authenticity point to verify when purchasing.
How do the dial suffix codes like BKRO, WRO, GNS, and PRO differ from the base 278344RBR?
Each alphanumeric suffix appended to the base reference number identifies a specific dial color, material, or hour-marker style—for example, BKR denotes a black dial configuration while GNS points to a green sunray or similar green execution. The base 278344RBR without an additional suffix typically refers to a grey dial variant. Buyers should cross-reference the exact suffix with official documentation and photography to confirm precisely which dial they are acquiring.
Is the Rolex Datejust 31 278344RBR a good investment watch?
The Datejust 31 in Rolesor with a diamond bezel occupies a strong position in the pre-owned luxury watch market due to Rolex's consistent demand, brand reliability, and the added material value of 18 ct white gold and factory diamonds. Rarer dial colors such as green or pink tend to attract more buyer interest and can sustain or grow in value over time, particularly in unworn or near-mint condition with original box and papers. As with any luxury watch purchase, condition, completeness of documentation, and provenance are the most important factors influencing resale value.
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Buy, trade, or sell. Contact Bizak & Co. for pricing and availability on any reference in this collection.
