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New Rolex Datejust 31 in Rolesor
New Models

New Rolex Datejust 31 in Rolesor

Monday, 28 September 2020
By The FHH Journal editors
The FHH Journal editors

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2 min read

Rolex is introducing four new Oyster Perpetual Datejust 31 in white Rolesor, a combination of Oystersteel with 18k white gold.

On the new white Rolesor versions of the Datejust 31, the bezel is made of 18 ct white gold, while the winding crown, middle case, bracelet and clasp are in Oystersteel. The first watch, featuring a bezel set with 46 brilliant-cut diamonds, has an aubergine, sunray-finish dial that is adorned with a diamond- set Roman VI. The three other versions are fitted respectively with a mint green, sunray-finish dial, white lacquer dial, or dark grey, sunray-finish dial, and a fluted bezel in 18 ct white gold. The hands and index hour markers or Roman numerals on all four watches are also in 18 ct white gold. The light reflections on the case sides and lugs highlight the elegant profile of the 31mm Oyster case.

Oyster Perpetual Datejust 31 set, eggplant dial © Rolex
Oyster Perpetual Datejust 31 set, eggplant dial © Rolex

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.

Oyster Perpetual Datejust 31, dark grey dial © Rolex
Oyster Perpetual Datejust 31, dark grey dial © Rolex

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 is equipped with a self-winding module via a Perpetual rotor and offers a power reserve of approximately 55 hours. Like all Rolex watches, the Oyster Perpetual Datejust 31 carries the Superlative Chronometer certification, which ensures excellent performance on the wrist.

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