October 07, 2021

Rolex Datejust 31 Ref. 278275

Rolex Datejust 31 Ref. 278275

This Oyster Perpetual Datejust 31 in 18 ct Everose gold features a rosé colour, diamond-set dial and a President bracelet.

OYSTER PERPETUAL DATEJUST 31

Datejust 31 Ref. 278275 features diamond dial in 18 ct gold settings. The light reflections on the case sides and lugs highlight the elegant profile of the 31 mm Oyster case, which is fitted with a diamond-set bezel. Aesthetically, the Datejust has spanned eras, while retaining the enduring codes that make it, notably in its traditional versions, one of the most recognized and recognizable of watches.

 The Oyster Perpetual Datejust 31 is the expression of everlasting appeal. 

Rolex Datejust 31 Ref. 278275 © Rolex

TIMELESS STYLE

Rolex’s Datejust is the archetype of the classic watch thanks to functions and aesthetics that never go out of fashion. Launched in 1945, it was the first self-winding waterproof chronometer wristwatch to display the date in a window at 3 o’clock on the dial, and consolidated all the major innovations that Rolex had contributed to the modern wristwatch until then. The Datejust has spanned eras while retaining the enduring aesthetic characteristics that make it so instantly recognizable.

The Oyster Perpetual Datejust is the archetype of the classic watch thanks to functions and aesthetics that never go out of fashion.

Sonya Yoncheva wearing Rolex Datejust 31 Ref.278275, © Rolex

ROSÉ-COLOUR DIAL

The sunray finish creates delicate light reflections on many dials in the Oyster Perpetual collection. It is obtained using masterful brushing techniques that create grooves running outwards from the centre of the dial. Light is diffused consistently along each engraving, creating a characteristic subtle glow that moves depending on the position of the wrist.

Once the sunray finish has been completed, the dial colour is applied using Physical Vapour Deposition or electroplating. A light coat of varnish gives the dial its final look.

The Datejust 31 Ref. 278275 comes with a diamond hour markers in an 18 ct gold setting.

Rosé-colour dial,© Rolex

FLUTED BAZEL

The Rolex fluted bezel is a mark of distinction. Originally, the fluting of the Oyster bezel had a functional purpose: it served to screw the bezel onto the case helping to ensure the waterproofness of the watch. It was therefore identical to the fluting on the case back, which was also screwed onto the case for waterproofness, using specific Rolex tools. Over time, the fluting became an aesthetic element, a genuine Rolex signature feature. Today the fluted bezel is a mark of distinction, always in gold.

The Rolex fluted bezel is a mark of distinction which is, without exception, always in gold.

Fluted Bazel, © Rolex

18 CT EVEROSE GOLD

To preserve the beauty of its pink gold watches, Rolex created and patented an exclusive 18 ct pink gold alloy cast in its own foundry: Everose gold. Introduced in 2005, 18 ct Everose is used on all Rolex Oyster models in pink gold.

Rolex has created and patented an exclusive 18 ct pink gold alloy cast in its own foundry.

THE PRESIDENT BRACELET

The design, development and production of Rolex bracelets and clasps, as well as the stringent tests they face, involve advanced high technology. And, as with all the components of the watch, aesthetic controls by the human eye guarantee impeccable beauty. The President bracelet, with its semi-circular three piece links, was created in 1956 for the launch of the Oyster Perpetual Day-Date. It represents the ultimate in refinement and comfort and is always made of carefully selected precious metals.

This version of the Datejust 31 model comes on a refined and comfortable President bracelet made of three-piece links.

President Bracelet, © Rolex

PERPETUAL CALIBRE 2236 

The new versions of the Datejust 31 are equipped with calibre 2236, a movement entirely developed and manufactured by Rolex. At the forefront of watchmaking technology, this self-winding mechanical movement led to the filing of several patents, and offers fundamental gains in terms of precision, power reserve, resistance to shocks and magnetic fields, convenience and reliability.

Calibre 2236 is fitted with a Syloxi hairspring, patented and produced by Rolex. This silicon hairspring remains up to 10 times more precise than a traditional hairspring in case of shocks, and its patented geometry ensures the calibre’s regularity in any position. The movement also contains a paramagnetic nickel-phosphorus escape wheel. The oscillator is fitted on the Rolex-designed and patented high-performance Paraflex shock absorbers, increasing the movement’s shock resistance.

Calibre 2236 offers a power reserve of approximately 55 hours. 

Calibre 2236 © Rolex

SUPERLATIVE CHRONOMETER CERTIFICATION 

Like all Rolex watches, each Datejust 31 is covered by the Superlative Chronometer certification redefined by Rolex in 2015. This exclusive designation testifies that every watch leaving the brand’s workshops has successfully undergone a series of tests conducted by Rolex in its own laboratories according to its own criteria. These certification tests apply to the fully assembled watch, after casing the movement, guaranteeing superlative performance on the wrist in terms of precision, power reserve, waterproofness and self-winding. The precision of a Rolex Superlative Chronometer is of the order of −2/+2 seconds per day, or more than twice that required of an official chronometer.

The Superlative Chronometer status is symbolized by the green seal that comes with every Rolex watch and is coupled with an international five-year guarantee.

Superlative Chronometer © Rolex

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