Current Production
Datejust 31
ROLEX 278274-0017
Rolex does not publish a price for this reference on its own site.
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