RolexDay-Date 40Oyster, 40 mm, white goldM228239-0078

Model availability
  • Reference

    228239

  • Model case

    Oyster, 40 mm, white gold

  • Water-resistance

    Waterproof to 100 metres / 330 feet

  • Bezel

    Fluted

  • Dial

    White mother-of-pearl set with diamonds

  • Bracelet

    President, semi-circular three-piece links

  • Movement

    Perpetual, mechanical, self-winding

  • Calibre

    3255, Manufacture Rolex

  • Power reserve

    Approximately 70 hours

  • Certification

    Superlative Chronometer (COSC + Rolex certification after casing)


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Rolex Day-Date in 18 ct white gold, M228239-0078 - Siam Swiss

Mother-of-Pearl Dial

This dial features 10 baguette-cut diamonds. Mother-of-pearl is by its nature full of mystery and surprises. Depending on its origin, it can be pink, white, black or yellow. It differs in colour, intensity and structure according to the part of the shell from which it is extracted. At Rolex, mother-of-pearl is never artificially coloured. Instead, particular know-how and skill are devoted to simply highlighting its natural beauty and preserving the original hues. As all mother-of-pearl dials are unique pieces, an identical dial will never be found on another wrist.

Rolex Day-Date in 18 ct white gold, M228239-0078 - Siam Swiss

Fluted bezel

The Rolex fluted bezel is a mark of distinction. Originally, the fluting of the Oyster bezel had a functional purpose: it served to screw the bezel onto the case helping to ensure the waterproofness of the watch. It was therefore identical to the fluting on the case back, which was also screwed onto the case for waterproofness, using specific Rolex tools. Over time, the fluting became an aesthetic element, a genuine Rolex signature feature. Today the fluted bezel is a mark of distinction, in gold on this Day-Date 40.

Rolex Day-Date in 18 ct white gold, M228239-0078 - Siam Swiss

18 ct white gold

By operating its own exclusive foundry, Rolex has the unrivalled ability to cast the highest quality 18 ct gold alloys. According to the proportion of silver, copper, platinum or palladium added, different types of 18 ct gold are obtained: yellow, pink or white. They are made with only the purest metals and meticulously inspected in an in-house laboratory with state-of-the-art equipment, before the gold is formed and shaped with the same painstaking attention to quality. Rolex's commitment to excellence begins at the source.

Rolex Day-Date in 18 ct white gold, M228239-0078 - Siam Swiss
Rolex Day-Date in 18 ct white gold, M228239-0078 - Siam Swiss

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.

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

Rolex Day-Date in 18 ct white gold, M228239-0078 - Siam SwissRolex Day-Date in 18 ct white gold, M228239-0078 - Siam Swiss

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Rolex Day-Date in 18 ct white gold, M228239-0078 - Siam SwissRolex Day-Date in 18 ct white gold, M228239-0078 - Siam Swiss

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Rolex Day-Date in 18 ct white gold, M228239-0078 - Siam SwissRolex Day-Date in 18 ct white gold, M228239-0078 - Siam Swiss

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