Datejust 31 Stainless Steel / Yellow Gold / Fluted / Olive - Diamond / Oyster

About This Watch

The Rolex Datejust 31, in its 278273-0029 iteration, marries the enduring elegance of the Datejust collection with a distinctive interplay of materials and color. A 31mm case combines polished stainless steel with yellow gold, a pairing that amplifies the watch’s presence without overwhelming the wrist. At its heart lies a dial of deep, forest-green hue, finished with a sunburst pattern that catches light with quiet sophistication. The gem-set indexes, each meticulously placed, echo the precision of Rolex’s craft, while the stick hands provide a clean, legible contrast. The fluted bezel, a hallmark of the Datejust since its 1945 debut, adds a touch of ceremonial grandeur, reinforcing the collection’s legacy as a symbol of timeless achievement. Powering this timepiece is Rolex’s in-house Caliber 2236, an automatic movement renowned for its reliability and the inclusion of a date display that operates with seamless precision. The sapphire crystal, paired with a closed caseback, ensures durability without compromising the watch’s refined silhouette. A subtle diamond adorns the Oyster caseback, a discreet nod to the brand’s mastery of detail. This watch is for those who seek distinction through subtlety—a connoisseur’s choice for formal occasions or as a companion to moments of quiet significance. Its restrained opulence speaks to a legacy of craftsmanship, worn not as a statement, but as a testament to enduring taste.

In Context

At 31 mm it is small by current standards, in the range most wristwatches occupied before cases began growing through the 1990s. The case back is closed, so the movement stays out of sight, and the sapphire crystal will resist everything short of deliberate abuse. 100 m is genuine swimming resistance — more than the shape of this watch suggests it would need.

The movement winds itself from the motion of your wrist. 55 hours of reserve is enough to set it down on Friday evening and find it still running on Monday. At 28,800 vph the seconds hand advances 8 times a second.

278273-0029 is one of 24 executions of the 278273 base reference. Underneath they are the same watch; what separates this one is a green sunburst dial and a yellow gold, stainless steel case.

Rolex

White · Yellow Gold, Stainless Steel

278273-0001 · 31 mm

Rolex

White · Yellow Gold, Stainless Steel

278273-0002 · 31 mm

Rolex

Silver · Yellow Gold, Stainless Steel

278273-0003 · 31 mm

Rolex

Silver · Yellow Gold, Stainless Steel

278273-0004 · 31 mm

Rolex

Champagne · Yellow Gold, Stainless Steel

278273-0013 · 31 mm

Rolex

Champagne · Yellow Gold, Stainless Steel

278273-0014 · 31 mm

Rolex

Green · Yellow Gold, Stainless Steel

278273-0015 · 31 mm

Rolex

Green · Yellow Gold, Stainless Steel

278273-0016 · 31 mm

+ 15 more variants in this family.

The 2236 is the Rolex movement inside more watches in this library than any other: 907, in the 28 mm Lady-Datejust and the 31 mm Datejust 31. It was the first Rolex caliber with a silicon hairspring. Introduced in 2014 in the Pearlmaster 34, it is a 20 mm automatic with a date, 31 jewels, a 55-hour reserve and a beat of 28,800 vph, certified by the COSC and then tested again by Rolex after casing to the Superlative Chronometer tolerance of two seconds a day. Its distinction is the Syloxi hairspring: silicon, immune to magnetism, etched to a patented geometry that keeps the spring concentric in every position, and paired with Paraflex shock absorbers. The larger Rolex calibers kept the Parachrom alloy spring; Syloxi did not reach a men's movement until the 7140 of 2023. The [2236 piece](/blog/the-rolex-2236-the-most-common-movement-in-this-library) sets out that history. In the library it powers 488 [Datejust 31](/brands/rolex/datejust-31) references, the seven-digit 2782xx generation of 2020, 399 [Lady-Datejusts](/brands/rolex/lady-datejust) of the 2791xx generation of 2015, 15 [Pearlmasters](/brands/rolex/pearlmaster) and 5 [Yacht-Master 37s](/brands/rolex/yacht-master). The [2235](/calibers/rolex-2235) is the 48-hour movement it replaced, the [2232](/calibers/rolex-2232) its no-date sibling for the Oyster Perpetual, and the [3235](/calibers/rolex-3235) its counterpart in the 36 mm and 41 mm cases.

906 other watches in the library run the Rolex 2236.

Rolex

Lady-Datejust 28 Rolesor Everose Diamond / Oyster / MOP

279381RBR-0014 · 28 mm

Rolex

Lady-Datejust 28 Rolesor Rose Diamond / Jubilee / MOP

279381rbr-0013 · 28 mm

Rolex

Lady-Datejust 28 Rolesor Yellow Domed / Oyster / MOP

279163-0014 · 28 mm

Rolex

Datejust 31 Stainless Steel / Yellow Gold / Diamond / Black MOP / Oyster

278383RBR-0023 · 31 mm