The Rolex Datejust reference 278274-0008 is a 31mm timepiece in Steel presented in unworn condition, with a Dark Grey Diamond dial, Fluted bezel, Jubilee bracelet, dated circa 2026. This piece is customized — aftermarket-modified (setting or dial added outside the manufacturer); not original factory condition. Supplied with its original papers. Every watch is inspected and authenticated by our specialists before it is offered, so you can buy with confidence.
Few Rolex models reward research like the Datejust. Born in 1945 as the first self-winding waterproof chronometer to show the date under a magnified Cyclops, it now spans four case sizes and countless dials. Current references such as the 126234 in 36mm steel carry strong secondary-market liquidity. Box and papers lift premiums, and originality stays non-negotiable. We verify each point so you buy with confidence. Read the full Datejust buying guide ›
Geneva has produced few manufactures as influential as Rolex, the standard most mechanical watches are measured against. Hans Wilsdorf founded the brand in 1905, and its early work in waterproofing, self-winding movements, and date displays cemented a reputation for precision and durability. We verify the Oyster case, Perpetual movement, and Cyclops lens before any sale. With prestige sports models often above retail, that scrutiny guards your investment. Browse all Rolex ›
Rolex · 278274-0008
Customized — aftermarket-modified. Diamond setting or dial added outside the manufacturer; not original factory condition.
Unworn PapersA 31mm Steel Rolex Datejust with a Dark Grey Diamond dial, Fluted bezel, circa 2026 — authenticated and ready to wear. Carries an aftermarket diamond setting — not original factory condition.

