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Rolex - 278278-0017 Datejust 31 Yellow Gold / Fluted / MOP / Oyster

Ref. 278278-0017

Rolex Rolex - 278278-0017 Datejust 31 Yellow Gold / Fluted / MOP / Oyster
Rolex Rolex - 278278-0017 Datejust 31 Yellow Gold / Fluted / MOP / Oyster
Rolex Rolex - 278278-0017 Datejust 31 Yellow Gold / Fluted / MOP / Oyster

Case

MaterialYellow Gold
Diameter31 mm
CrystalSapphire
WR100 m

Dial

ColorWhite
FinishGloss
IndexesGem-Set Indexes Hands: Stick

Movement

Caliber2236
Typeautomatic
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About This Watch

The Rolex Datejust 31, in its 278278-0017 iteration, embodies the enduring elegance of a collection first introduced in 1945, a timepiece that has long defined the intersection of precision and refinement. The yellow gold case, polished to a warm luster, frames a dial of mother-of-pearl whose iridescent sheen shifts subtly with the light, a natural artistry that complements the gem-set indexes and sleek stick hands. The fluted bezel, a signature design element since the 1950s, adds a tactile and visual contrast to the dial’s soft radiance, while the Oyster case ensures resilience without compromising the watch’s delicate proportions. At 31mm in diameter, its dimensions strike a balance between classic presence and modern wearability, a hallmark of the Datejust’s evolution over decades. Beneath the sapphire crystal lies the Caliber 2236, a self-winding movement engineered for reliability and accuracy, its architecture a testament to Rolex’s mastery of in-house watchmaking. The 70-hour power reserve and the Perpetual rotor, visible through the closed case back, underscore the brand’s commitment to technical excellence. This watch is for those who value understated sophistication—a piece suited to formal occasions, yet equally at home in the quiet confidence of everyday life

The 278278 family

278278-0017 is one of 28 variants sharing the 278278 base reference — same watch underneath, different dial, bezel, or bracelet execution. Browse the others:

+ 19 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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