M278240-0018

RolexDatejust 31Oyster, 31 mm, OystersteelM278240-0018

$7900

480.418.2730

Rolex Oyster Perpetual Datejust 31 watch with blue dial, Roman numerals, and silver bracelet, showcasing luxury craftsmanship and design.

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 Jewelers come with a five-year international guarantee. When you buy a Rolex, the Official Jeweler fills out and dates the Rolex guarantee card that certifies your watch’s authenticity.

The green seal

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.

Rolex presentation box

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

Calibre

2236, Manufacture Rolex

Power reserve

Approximately 55 hours

Bracelet

Jubilee, five-piece links

Dial

Bright blue

Certification

Superlative Chronometer (COSC + Rolex certification after casing)

Reference

278240

Model case

Oyster, 31 mm, Oystersteel

Bezel

Domed

Water-resistance

Waterproof to 100 metres / 330 feet

Movement

Perpetual, mechanical, self-winding

Calibre

2236, Manufacture Rolex

Power reserve

Approximately 55 hours

Bracelet

Jubilee, five-piece links

Dial

Bright blue

Certification

Superlative Chronometer (COSC + Rolex certification after casing)

Download 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 Rolex Oyster Perpetual Datejust dial with sunray finish, silver hour markers, and text indicating Superlative Chronometer certification.

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.

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.

Jubilee bracelet of Rolex Datejust 31 model M278240-0018, showcasing five-piece link design in polished Oystersteel, emphasizing luxury and comfort.

Model availability

All Rolex watches are assembled by hand with the utmost care to ensure exceptional quality. Such high standards naturally restrict Rolex production capacity and, at times, the demand for Rolex watches outpaces this capacity.

Therefore, the availability of certain models may be limited. New Rolex watches are exclusively sold by Official Rolex Jewelers, who receive regular deliveries and independently manage the allocation and sales of watches to customers. Coffin & Trout is proud to be part of the worldwide network of Official Rolex Jewelers and can provide information on the availability of Rolex watches.