Rolex Datejust 31 Yellow Rolesor — Silver Jubilee Diamond Dial 46-Diamond Bezel | Ref. 178383

Reference 178383 in Yellow Rolesor presents a maximalist configuration within the 31 mm Datejust family, pairing an elaborately set 46-diamond bezel with a silver Jubilee diamond dial to create a timepiece of considerable jewellery-forward ambition. Rolesor — Rolex's term for the combination of Oystersteel and 18 ct yellow gold — appears here in the case construction and Oyster bracelet, with yellow gold reserved for the bezel, crown, and bracelet centre links. The 46-diamond bezel setting demonstrates the precision of Rolex's in-house gem-setting atelier, where each stone is individually evaluated and positioned to ensure uniform brilliance across the bezel's circumference.

The silver Jubilee diamond dial takes its name from the Jubilee bracelet, Rolex's five-piece link design introduced alongside the original Datejust in 1945. Here the dial surface is set with a constellation of diamonds replacing the conventional hour indices, each brilliant-cut stone mounted in an individual setting that maximises light return. The date window at 3 o'clock remains a defining functional element, fitted with a magnifying Cyclops lens that provides 2.5x enlargement for comfortable reading.

The calibre 2236 — introduced specifically for the 31 mm Datejust — is the mechanical foundation of this reference. Its most notable innovation is the Syloxi hairspring, a proprietary silicon component fabricated via photolithographic etching rather than traditional mechanical production. Silicon's near-zero magnetic susceptibility and thermal stability give the Syloxi a measurable advantage over conventional metals in varied environmental conditions. At 55 hours of power reserve and 28,800 vph beat rate, the 2236 delivers Superlative Chronometer-certified timekeeping within a compact, jewel-set package.