SILVERSMITHS SINCE 1858

Official retailers of Rolex and Tudor watches

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  1. Rolex
  2. Rolex Watches
  3. Datejust
  4. M278240-0018
Rolex Datejust 31 M278240-0018 Cooke-and-Kelvey
Rolex Datejust 31 M278240-0018 Cooke-and-Kelvey
Rolex Datejust 31 M278240-0018 Cooke-and-Kelvey
Rolex Datejust 31 M278240-0018 Cooke-and-Kelvey
Rolex Datejust 31 M278240-0018 Cooke-and-Kelvey
Rolex Datejust 31 M278240-0018 Cooke-and-Kelvey

Rolex

Datejust 31

Oyster, 31 mm, Oystersteel

Rolex Guarantee

To ensure the precision and reliability of its timepieces, Rolex submits each watch after assembly to a stringent series of tests. All new Rolex watches purchased from one of the brand’s Official Retailers come with a five-year international guarantee. When you buy a Rolex, the Official Retailer fills out and dates the Rolex guarantee card that certifies your watch’s authenticity.

The five-year guarantee which applies to all Rolex models is coupled with the green seal, a symbol of its status as a Superlative Chronometer. This exclusive designation attests that the watch has successfully undergone a series of specific final controls by Rolex in its own laboratories according to its own criteria, in addition to the official COSC certification of its movement.

Every Rolex is delivered in a beautiful green presentation box that is both protector and keeper of the jewel that nests inside it. As the presentation box is also a symbol of giving, it is important, if you are purchasing a gift, that the recipient’s first contact with their Rolex sets the stage for revealing what lies within.

  • Reference

    278240

  • Model case

    Oyster, 31 mm, Oystersteel

  • Bezel

    Domed

  • Water resistance

    Waterproof to 100 metres / 330 feet

  • Movement

    Perpetual, mechanical, self-winding

  • Diameter

    31 mm

  • Winding crown

    Screw-down, Twinlock double waterproofness system

  • Spec crystal

    Scratch-resistant sapphire, Cyclops lens over the date

  • Caliber

    2236, Manufacture Rolex

  • Power reserve

    Approximately 55 hours

  • Bracelet

    Jubilee, five-piece links

  • Material

    Oystersteel

  • Dial

    Bright blue

  • Certification

    Superlative Chronometer (COSC + Rolex certification after casing)

  • Bracelet material

    Oystersteel

  • Clasp

    Concealed folding Crownclasp

Download the brochure

Bright blue 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.

Bright blue dial

Oystersteel

Rolex uses Oystersteel for its steel watch cases. Specially developed by the brand, Oystersteel belongs to the 904L steel family, alloys most commonly used in high-technology and in the aerospace and chemical industries, where maximum resistance to corrosion is essential. Oystersteel is extremely resistant, offers an exceptional finish once polished and maintains its beauty even in the harshest environments.

Oystersteel

The Jubilee 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 Jubilee, a supple and comfortable five-piece link metal bracelet, was designed and made especially for the launch of the Oyster Perpetual Datejust in 1945.

The Jubilee bracelet
crown-gold

Model availability

Datejust 31
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  • Cooke and Kelvey

    3 Scindia House Janpath, New Delhi

    110001, New Delhi

    India

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