Datejust 31 White Gold Diamond / Jubilee Diamond / Pink MOP Roman

About This Watch

The Rolex Datejust 31 Reference 178159-0014 embodies the quiet sophistication of a timepiece that balances heritage with contemporary refinement. A member of the Datejust collection, which has long symbolized the intersection of elegance and precision since its introduction in 1945, this model distinguishes itself through a harmonious interplay of materials and detailing. The 31-millimeter white gold case, adorned with a gem-set bezel, frames a dial that merges the warmth of pink mother-of-pearl with the timeless clarity of Roman numeral indexes. The stick hands, paired with the subtle sheen of the dial, evoke a sense of understated opulence, while the Jubilee bracelet—characteristic of the Datejust lineage—offers a secure yet comfortable wear that transitions seamlessly from formal to casual settings. At its core, the watch is powered by Rolex’s Caliber 2235, an automatic movement celebrated for its reliability, in-house craftsmanship, and the inclusion of a Parachrom hairspring, which enhances resistance to shocks and magnetic fields. The sapphire crystal, paired with a closed case back, ensures both durability and a discreet nod to the mechanical artistry within. The 100-meter water resistance, though not a feature typically emphasized in a dress watch, underscores the brand’s commitment to robustness without compromising aesthetics. This timepiece is for the discerning individual who values subtlety over ostentation, seeking a watch that exudes quiet confidence. It suits occasions where presence is measured in precision—whether in a boardroom, at a gala, or on the wrist of someone who appreciates the quiet dialogue between tradition and modernity.

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. 48 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.

178159-0014 is one of 36 executions of the 178159 base reference. Underneath they are the same watch; what separates this one is a pink dial and a white gold case.

Rolex

White · White Gold

178159-0001 · 31 mm

Rolex

Pink · White Gold

178159-0002 · 31 mm

Rolex

Silver · White Gold

178159-0007 · 31 mm

Rolex

Silver · White Gold

178159-0010 · 31 mm

Rolex

Grey · White Gold

178159-0011 · 31 mm

Rolex

Silver · White Gold

178159-0012 · 31 mm

Rolex

Black · White Gold

178159-0015 · 31 mm

Rolex

Silver · White Gold

178159-0018 · 31 mm

+ 27 more variants in this family.

The 2235 is the small Rolex automatic of the six-digit generation, a 20 mm movement with a date. It carried the Datejust 31 and the 26 mm Lady-Datejust from around 2000 until the 2236 replaced it. It powers 733 watches in this library. It has 31 jewels, a 48-hour reserve and a beat of 28,800 vph, and every one is a COSC chronometer. It is the same architecture as the [2236](/calibers/rolex-2236) that followed, without the silicon Syloxi hairspring and with seven hours less reserve; the [2236 piece](/blog/the-rolex-2236-the-most-common-movement-in-this-library) explains what changed. The library finds it almost entirely in the [Datejust 31](/brands/rolex/datejust-31): 682 references, the 1782xx generation, whose 45 base references and hundreds of dial variants make that collection the largest here. The 26 mm [Lady-Datejust](/brands/rolex/lady-datejust) of the 1791xx generation accounts for 29, the [Pearlmaster](/brands/rolex/pearlmaster) 29 mm and 34 mm for 19, and the 35 mm Yacht-Master for 3. A six-digit Datejust 31 reference is a 2235; the seven-digit one is a 2236, as the [reference-number guide](/blog/how-to-read-a-watch-reference-number) explains. The 2231 was its no-date sibling in the Oyster Perpetual, and the [3135](/calibers/rolex-3135) its counterpart in the 36 mm cases.

732 other watches in the library run the Rolex 2235.

Rolex

Datejust 31 Yellow Gold Diamond / Oyster / Black MOP

178158-0056 · 31 mm

Rolex

Datejust 31 Stainless Steel Diamond / Oyster / Pink MOP

178384-0061 · 31 mm

Rolex

Datejust 31 Rolesor Everose Domed / Jubilee / Black MOP

178241-0043 · 31 mm

Rolex

Datejust 31 Yellow Gold Domed / Oyster / Champagne Roman

178248-0079 · 31 mm