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REFERENCE
M278240-0005
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MODEL CASE
Oyster, 31 mm, Oystersteel
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BEZEL
Domed
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WATER-RESISTANCE
Waterproof to 100 metres / 330 feet
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MOVEMENT
Perpetual, mechanical, self-winding
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CALIBRE
2236, Manufacture Rolex
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POWER RESERVE
Approximately 55 hours
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BRACELET
Oyster, flat three-piece links
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DIAL
Highly legible Chromalight display with long-lasting blue luminescence
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CERTIFICATION
Superlative Chronometer (COSC + Rolex certification after casing)
SILVER DIAL
The dial is the distinctive face of a Rolex watch, the feature most responsible for its identity and readability. Characterised by hour markers fashioned from gold to prevent tarnishing, every Rolex dial is designed and manufactured in-house, largely by hand to ensure perfection.
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.
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