Rolex Datejust 31 White Rolesor — 46-Diamond Bezel Black Index Dial | Ref. 178384

Reference 178384 elevates the Datejust 31 formula through White Rolesor construction — Oystersteel paired with 18ct white gold — and a factory-set 46-diamond bezel whose channel-set stones transform the traditional fluted surround into a continuously sparkling halo of white light. The black index dial provides an arresting visual contrast against this luminous setting: bold applied hour markers catch the light with precision-machined edges while the deep lacquered background creates a depth that draws the eye. This combination of precious stone-set bezel and high-contrast dial represents one of the most striking aesthetic configurations in the Datejust 31 range.

The Calibre 2235 automatic movement, engineered specifically for Rolex's 31mm case references, delivers the horological heart of this reference. Built to manufacture standards within the Rolex workshops, it incorporates a Parachrom hairspring — some 10 times more resistant to shocks than traditional hairsprings and virtually impervious to magnetic fields — alongside the Paraflex shock-absorption system for enhanced robustness. With COSC chronometer certification, performance is guaranteed to within -4/+6 seconds per day. The date display is framed by the iconic sapphire Cyclops lens, providing 2.5x magnification for effortless reading.

Diamond bezel references within the Datejust family occupy a distinct collector segment — they fuse the technical credibility of a manufacture movement with the decorative ambition of high jewellery. The 46-diamond configuration on reference 178384 is a factory Rolex specification, ensuring stone quality and setting integrity that aftermarket modifications cannot replicate. Black dial examples are particularly sought after in the pre-owned market for their bold visual personality. For buyers seeking a statement piece that retains Rolex's legendary reliability, this reference presents an compelling proposition.