Rolex Datejust 36 Steel — Black Index Dial, Diamond Bezel | Ref. 126284RBR

Introduced in 2019 as part of Rolex's update to the Datejust 36 platform, Reference 126284RBR pairs an Oystersteel case with a factory-set diamond bezel and a clean black dial with applied index hour markers. The RBR suffix denotes the brilliant-cut diamond bezel, set in-house by Rolex to exacting standards of colour, clarity, and uniformity. Against the black dial, the diamond bezel creates a striking tonal contrast that elevates this reference well beyond a standard steel Datejust.

The 2019 introduction brought with it the transition to Calibre 3235 — one of Rolex's most significant movement developments. The 3235 features a Chronergy escapement (15% more efficient than its predecessor), a Syloxi-inspired paramagnetic hairspring, and a 70-hour power reserve, doubling the reserve of the outgoing Calibre 3135. The 36mm Oyster case retains 100m water resistance, a screw-down Twinlock crown, and the robust construction that underpins the entire Datejust family. The Oyster bracelet in Oystersteel with a brushed centre link completes the reference.

The 126284RBR appeals to a collector who wants the full Datejust 36 experience — classic proportions, current movement generation, exceptional legibility — but with a jewellery dimension that differentiates it from the standard steel reference. Steel Datejust 36s with factory diamond bezels are among the most searched references in the pre-owned market, appealing to both men and women. The combination of the current calibre and a timeless dial configuration makes this reference a sound long-term choice.