About the Rolex Lady-Datejust 31 Ref. 278343RBR
The Lady-Datejust 31 in reference 278343RBR represents the Rolesor configuration — Rolex's proprietary combination of Oystersteel and 18k yellow gold — finished with a diamond-paved bezel that elevates the watch from everyday elegance to fine jewelry territory. The Datejust name derives from Rolex's pioneering instant-date display at three o'clock, introduced in 1945, and the cyclops lens magnifying it has been a defining design signature ever since. The 31 mm case size occupies a versatile middle ground between the classic 28 mm Lady-Datejust and the full 36 mm Datejust, making reference 278343RBR one of the most widely worn sizes in Rolex's current catalog. Across all dial variants within this reference, the Jubilee bracelet or Oyster bracelet pairing, the fluted or smooth profile of the bezel, and the Rolex crown-signed crown remain consistent hallmarks of quality and provenance.
What to Look For
When shopping for a 278343RBR, the primary differentiator is the dial: silver, champagne, grey, green, and black mother of pearl versions each carry different aesthetic appeal and can influence secondary-market pricing, with exotic dials such as black mother of pearl and green typically commanding stronger premiums. Buyers should also note whether the dial features diamond hour markers, as indicated by suffixes in the full reference string, since the combination of a diamond bezel and diamond indices represents a higher specification and retail price tier. Condition of the diamond-set bezel, originality of the dial, and presence of box and papers are the most significant value drivers for this reference on the pre-owned market.
Frequently Asked Questions
What is the case size and material of the Rolex 278343RBR?
The reference 278343RBR is a 31 mm Lady-Datejust built on an Oystersteel case paired with an 18k yellow gold diamond-set bezel, a combination Rolex calls Rolesor. The 31 mm diameter offers a versatile fit that works well as both a dress watch and an everyday luxury timepiece.
Which dial colors are available in the 278343RBR reference?
Rolex has produced the 278343RBR in an extensive range of dials including silver, champagne, grey, green, and black mother of pearl, among others, each lending a distinct character to the watch. Some variants also feature diamond hour markers, so it is worth confirming the exact dial specification when purchasing to ensure you are getting the precise configuration you want.
Is the Rolex Lady-Datejust 278343RBR a good investment?
The Lady-Datejust 31 in two-tone Rolesor with a diamond bezel has historically held its value well on the secondary market due to Rolex's enduring brand strength and consistent demand for the Datejust line. Exotic dial variants and examples with full box and papers tend to retain or appreciate in value more reliably, making condition and provenance important considerations when buying.
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