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Current Production

Datejust 31

ROLEX 278274-0017

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Case diameter31 mm
Case materialOystersteel
BezelFluted bezel
CrystalScratch-resistant sapphire, Cyclops lens over the date
Water resistance100 m
MovementPerpetual, mechanical, self-winding
Calibre2236
Power reserve55 hours
CertificationSuperlative Chronometer (official chronometer certification + Rolex certification after casing)
DialMint green
Bracelet or strapOyster

Specifications as published by Rolex →

Last verified Aug 18, 2026