Rolex Rolex - 278341RBR-0019 Datejust 31 Stainless Steel/ Rose Gold / Domed - Diamond / Aubergine - Roman / Oyster
Rolex Rolex - 278341RBR-0019 Datejust 31 Stainless Steel/ Rose Gold / Domed - Diamond / Aubergine - Roman / Oyster
Rolex Rolex - 278341RBR-0019 Datejust 31 Stainless Steel/ Rose Gold / Domed - Diamond / Aubergine - Roman / Oyster
Rolex

Datejust 31 Stainless Steel/ Rose Gold / Domed - Diamond / Aubergine - Roman / Oyster

REF. 278341RBR-0019

6/10

Scarce

Case

MaterialRose Gold, Stainless Steel
Diameter31 mm
Lug width16 mm
ShapeRound
CrystalSapphire
Case backClosed
Water resistance100 m

Dial

ColourPurple
FinishSunburst
IndexesRoman Numerals Hands: Stick
HandsStick

Movement

Caliber2236
Typeautomatic
Reserve55 h
Explore caliber→

About This Watch

The Rolex Datejust 31 Reference 278341RBR-0019 embodies a refined balance of tradition and modernity, distinguished by its harmonious pairing of stainless steel and 18ct rose gold. The case’s domed sapphire crystal, a hallmark of Rolex’s Oyster design, frames a dial that commands attention: a deep aubergine hue, finished with a sunburst pattern that shifts subtly with the light, evokes a sense of quiet opulence. Roman numerals, rendered in luminous white gold, anchor the dial’s symmetry, while sleek stick hands trace the passage of time with precision. The bezel, set with a discreet row of diamonds, adds a touch of understated glamour without overwhelming the watch’s classic proportions. As the flagship model of the Datejust collection—a lineage established in 1945 as one of the first self-winding waterproof chronometers—this reference carries the weight of Rolex’s legacy in its construction. The Oyster case, corrosion-resistant and water-resistant to 100 meters, is paired with a Caliber 2236 automatic movement, a testament to the brand’s engineering mastery. This movement, with its Parachrom blue spring and a power reserve of approximately 55 hours, ensures reliability and accuracy, hallmarks of Rolex’s commitment to horological excellence. This watch is for the discerning individual who values timeless design and meticulous craftsmanship, suited to both formal occasions and moments of quiet distinction. It speaks to those who prefer subt

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.

278341RBR-0019 is one of 24 executions of the 278341RBR base reference. Underneath they are the same watch; what separates this one is a purple sunburst dial and a rose gold, stainless steel case.

The 278341RBR family

278341RBR-0019 is one of 24 variants sharing the 278341RBR base reference — same watch underneath, different dial, bezel, or bracelet execution. Browse the others:

+ 15 more variants in this family.

Inside: Caliber 2236

Explore this caliber →

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.

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