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REFERENCE
M278383RBR-0021
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MODEL CASE
Oyster, 31 mm, Oystersteel, yellow gold and diamonds
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BEZEL
Set with diamonds
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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
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CERTIFICATION
Superlative Chronometer (COSC + Rolex certification after casing)