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Rolex - 278344RBR-0001 Datejust 31 Stainless Steel Domed Diamond / Oyster / Black - Roman

Ref. 278344RBR-0001

Rolex Rolex - 278344RBR-0001 Datejust 31 Stainless Steel Domed Diamond / Oyster / Black - Roman
Rolex Rolex - 278344RBR-0001 Datejust 31 Stainless Steel Domed Diamond / Oyster / Black - Roman
Rolex Rolex - 278344RBR-0001 Datejust 31 Stainless Steel Domed Diamond / Oyster / Black - Roman

Case

MaterialWhite Gold, Stainless Steel
Diameter31 mm
CrystalSapphire
WR100 m

Dial

ColorBlack
FinishGloss
IndexesRoman Numerals Hands: Stick

Movement

Caliber2236
Typeautomatic
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About This Watch

The 278344RBR-0001 Datejust 31 embodies the enduring elegance of Rolex’s most iconic collection, reimagined with contemporary refinement. Its 31mm stainless steel case, accented with a white gold bezel set with polished diamonds, marries classic proportions with a touch of understated opulence. The black dial, finished with a high-gloss sheen, serves as a striking canvas for the watch’s Roman numeral indexes and slender stick hands, a design language that echoes the Datejust’s mid-20th-century heritage while maintaining a modern minimalist appeal. The domed sapphire crystal and Oyster case, waterproof to 100 meters, underscore Rolex’s commitment to both precision and durability, ensuring the watch remains as functional as it is sophisticated. At its heart lies the in-house Caliber 2236, a self-winding movement with a 38-hour power reserve, reflecting Rolex’s mastery of mechanical engineering. The watch’s balanced dimensions—16mm lug width and a case diameter that nods to the original Datejust’s 1945 debut—make it a versatile companion for both formal occasions and everyday wear. The interplay of materials, from the coolness of stainless steel to the warm luster of white gold, speaks to a design philosophy that values harmony over excess. This timepiece is for the discerning individual who seeks a watch that transcends trends, offering a quiet statement of sophistication. It suits those who appreciate the marriage of heritage and innovation, worn with equal ease at a gala or during a quiet moment of reflection.

The 278344RBR family

278344RBR-0001 is one of 34 variants sharing the 278344RBR base reference — same watch underneath, different dial, bezel, or bracelet execution. Browse the others:

+ 25 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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