Rolex Datejust 31 Yellow Gold — Silver Diamond Dial with Fluted Bezel | Ref. 278278

Reference 278278 represents the Datejust 31 in its most regal yellow gold expression, pairing an 18 ct yellow gold Oyster case with a fluted gold bezel — one of the most recognisable signatures in watch design since its introduction in 1945. The dial presents a silver-toned ground set with diamond hour markers, each stone individually selected for cut and luminosity, creating a graduated brilliance that shifts beautifully with changing light. The 31 mm case occupies the ideal middle register between the Lady-Datejust 28 and the Datejust 36.

The Calibre 2236 automatic movement, developed specifically for mid-size Datejust models, powers this reference. The 2236 incorporates a silicon Syloxi hairspring — a material impervious to magnetic fields and free from lubrication requirements — along with a self-winding Perpetual rotor that maintains an approximate 55-hour power reserve. The movement is certified as a Superlative Chronometer, regulated to -2/+2 seconds per day post-casing, a standard that exceeds the official COSC chronometer certification.

For collectors and gift-givers alike, the 278278 in yellow gold with a diamond dial and fluted bezel represents one of Rolex's most timeless propositions. Yellow gold Datejust references historically maintain strong secondary market values, particularly when presented complete with original box and accompanying papers. The combination of a precious metal case, gem-set dial, and the brand's most iconic bezel treatment ensures this reference remains perennially in demand across multiple collector demographics.