February 03, 2020

Rolex Datejust 31 Ref. 278271

M278271 0005 PK13 001 Copy

The classic watch of reference. The Rolex Datejust 31 Ref. 278271 in Oystersteel and Everose gold, 31 mm case, Rosé color dial, Oyster bracelet.

ROSÉ-COLOUR DIAL

The dial is the distinctive face of a Rolex watch, the feature most responsible for its identity and readability. Characterised by hour markers fashioned from 18 ct gold to prevent tarnishing, every Rolex dial is designed and manufactured in-house, largely by hand to ensure perfection.

The Roman numerals of the Datejust 31 are minutely faceted and applied by hand, element by element.

ROLESOR, A MARRIAGE BETWEEN STEEL AND GOLD

Rolesor, the combination of gold and steel on a Rolex watch, has been a signature feature of the brand since 1933, when the name was registered. It is an auspicious meeting of two metals: one, noble and precious, attractive for its lustre and stability; the other, highly resistant, known for its strength and reliability. All of these qualities perfectly mirror the elegance and performance that come together in a Rolex watch.

The Everose Rolesor concept is simple: the bezel, the winding crown, as well as the centre bracelet links are made of 18 ct Everose gold; the middle case and the outer links of the bracelet are made of 904L steel. Introduced on the Datejust in 1948, Rolesor contributed largely to the legendary status of this wristwatch.

Everose Rolesor is the combination of two metals: Everose gold, with its unique pink colour unlike any other; and steel known for its resistance to corrosion, ensures strength and reliability.

OYSTER BRACELET

The Oyster bracelet is a perfect alchemy of form and function, aesthetics and technology. First introduced in the late 1930s, this particularly robust and comfortable metal bracelet with its broad, flat three-piece links remains the most universal bracelet in the Oyster collection. For the Oyster Perpetual models the Oyster bracelet is fitted with an Oysterclasp.

Robust and comfortable metal Oyster bracelet, with broad, flat three-piece links is the most universal bracelet in the Oyster collection.

2236 MOVEMENT

The calibre 2236 is a new-generation self-winding mechanical movement entirely developed and manufactured by Rolex. Fitted with a Syloxi hairspring in silicon, patented by Rolex, it offers a superlative level of chronometric performance. Insensitive to magnetic fields, the Syloxi hairspring provides great stability in the face of temperature variations and remains up to 10 times more precise than a traditional hairspring in case of shocks. Its patented geometry ensures its regularity in any position.

Calibre 2236 offers a power reserve of approximately 55 hours. 

Rolex Movement 2236 - Mamic 1970
2236 movement © Rolex

SUPERLATIVE CHRONOMETER CERTIFICATION 

Like all Rolex watches, each Datejust 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.

Rolex Datejust 31 Ref. 278271 0005 Mamic 1970
Superlative Chronometer © Rolex

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Rolex - Mamic 1970

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