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Rolex - 278343RBR-0023 Datejust 31 Stainless Steel / Yellow Gold / Domed - Diamond / Black MOP / Oyster

Ref. 278343RBR-0023

Rolex Rolex - 278343RBR-0023 Datejust 31 Stainless Steel / Yellow Gold / Domed - Diamond / Black MOP / Oyster
Rolex Rolex - 278343RBR-0023 Datejust 31 Stainless Steel / Yellow Gold / Domed - Diamond / Black MOP / Oyster
Rolex Rolex - 278343RBR-0023 Datejust 31 Stainless Steel / Yellow Gold / Domed - Diamond / Black MOP / Oyster

Case

MaterialMother of Pearl
Diameter31 mm
CrystalSapphire
WR100 m

Dial

ColorBlack
FinishGloss
IndexesGem-Set Indexes Hands: Stick

Movement

Caliber2236
Typeautomatic
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About This Watch

The Rolex Datejust 31, in its 278343RBR-0023 iteration, stands as a masterclass in the interplay of classic design and refined materiality. This reference marries the enduring elegance of stainless steel with the warm luster of yellow gold, its domed case lending a sense of depth and sophistication. The dial, a striking black mother-of-pearl surface, is finished with a high-gloss sheen that catches light with subtle, iridescent undertones. Gem-set indexes add a touch of discreet opulence, while the stick hands provide a clean, legible contrast. The Datejust collection, first introduced in 1945, has long been a benchmark for combining precision with timeless aesthetics, and this model honors that legacy with its understated sophistication. At its core, the watch is powered by Rolex’s in-house 2236 automatic movement, a calibre renowned for its reliability and precision. Encased in a 31mm Oyster case with a sapphire crystal and a closed back, it balances wearability with the brand’s signature robustness—water-resistant to 100 meters, yet refined enough for formal occasions. The interplay of materials, from the polished gold bezel to the matte finish of the mother-of-pearl dial, reflects Rolex’s mastery of craftsmanship. This timepiece is for the discerning individual who values heritage without ostentation, a collector seeking a watch that transc

The 278343RBR family

278343RBR-0023 is one of 24 variants sharing the 278343RBR base reference — same watch underneath, different dial, bezel, or bracelet execution. Browse the others:

+ 15 more variants in this family.

Inside: Caliber 2236

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This self-winding mechanical movement with date display is entirely manufactured by Rolex and inaugurates a new generation of movements. Its design and quality manufacture ensure peerless precision and reliability. Like all Rolex Perpetual movements, the 2236 is a certified Swiss chronometer, a designation reserved for high-precision watches that have successfully passed the Swiss Official Chronometer Testing Institute (COSC) tests. It was first introduced in 2014. It the first movement to be fitted with the Syloxi (silicon) hairspring.

906 other watches in the library run the Rolex 2236.

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