Rolex Datejust 31
Oyster, 31 mm, Oystersteel
M278240-0005

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Reference

278240
Model case

Oyster, 31 mm, Oystersteel
Bezel

Domed
Water resistance

Waterproof to 100 metres / 330 feet
Movement

Perpetual, mechanical, self-winding
Caliber

2236, Manufacture Rolex
Power reserve

Approximately 55 hours
Bracelet

Oyster, three-piece solid links
Dial

Silver

Silver 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.

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 Oyster bracelet

The Oyster bracelet is a perfect alchemy of form and function, aesthetics and technology, designed to be both robust and comfortable. It is equipped with an Oysterclasp and the Easylink comfort extension link, also exclusive to Rolex. This ingenious system allows the wearer to increase the bracelet length by approximately 5 mm, providing additional comfort in any circumstance.

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 Retailers, who receive regular deliveries and independently manage the allocation and sales of watches to customers.

Official Rolex Hausmann & Co. is proud to be part of the worldwide network of Official Rolex Retailers and can provide information on the availability of Rolex watches.

A splash of colour. A poetic shimmer. A sense of renewal. The dials that decorate the new Datejust 31 are bursting with fresh energy and full of promise. Rolex is presenting three new versions of the Datejust 31 with striking floral-motif dials. Calling to mind wild summer meadows, the design comprises 24 flowers that stand out distinctly from one another thanks to their finishes – either sunray, matt or grained. Each of the flowers is lit from within by a diamond set into the centre.