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Rolex Datejust 31 (278240)

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Where to buy Rolex Datejust 31 (278240)
Links open the retailer's current listings. Always check seller feedback, authenticity guarantees and return policy.

The Datejust 31 is the mid-size Datejust, popular as a women’s watch and as a vintage-sized unisex option. The 278240 is the all-steel, smooth-bezel version.

Who it’s for

Buyers who want a Datejust for a smaller wrist.

Buying tips

  • Many Datejust 31 models have factory diamond dials or bezels; confirm what is on the papers.
  • The Syloxi silicon hairspring in the 2236 is resistant to magnetism and shocks.
  • Check whether the bracelet is the Oyster or the dressier President-style.
Specifications
BrandRolex
Reference278240
Case size31 mm
Case materialOystersteel
MovementAutomatic, Rolex 2236
Power reserveAbout 55 hours
Water resistance100 m
CrystalSapphire with Cyclops
Production2018 – present
Typical market pricearound $8,000 (estimate; see tracked prices)

Rolex Datejust 31 (278240) price history

Price tracking started. We record market prices for this watch every day. The chart appears once we have enough data points.

How we measure: eBay figures are the median of matching US listings after removing accessories, parts and statistical outliers. "Asking" means listed prices; "sold" means completed sales. Retailer prices are spot checks. Prices change constantly; confirm on the retailer's site.

Where to buy Rolex Datejust 31 (278240)
Links open the retailer's current listings. Always check seller feedback, authenticity guarantees and return policy.

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