Rolex · Datejust 31

Strap for Datejust 31 Yellow Gold / Diamond / Olive - Roman / Oyster

Takes 16 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width16 mm
Case diameter31 mm
Reference278288rbr-0023
FamilyDatejust 31
MovementRolex caliber 2236 hours, minutes, seconds | date | chronometer
Year2018
CaseYellow Gold

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Straps for the Datejust 31 278288rbr-0023

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The Datejust 31 278288rbr-0023, seen from the bench

The Datejust 31 represents the 31mm version of the Rolex Datejust collection. It is equipped with the automatic Caliber 2236, certified as a chronometer, with hour, minute, second and date indication. The case features 16mm lugs and maintains the typical hour, minute, second and date functions of the line.

Frequently asked questions

What is the lug width of the Rolex Datejust 31 278288rbr-0023?

The lug width of the Rolex Datejust 31 278288rbr-0023 is precisely 16 millimetres. This specific dimension is characteristic of the Datejust 31 and differs from larger case diameter models. A compatible strap must measure exactly 16mm in width to fit correctly onto the case lugs.

Which strap material is most suitable for the yellow gold Datejust 31?

For the Datejust 31 in 18-carat yellow gold, alligator leather represents the optimal aesthetic and functional choice. Its regular grain texture and the natural patina developing over time complement the warm tones of yellow gold perfectly. High-quality alternatives include Hermès calf leather and shell cordovan, the latter particularly appreciated for its luminous play against the gold case.

How should one change the strap on a Rolex Datejust 31?

Strap replacement requires precise technique. Use a spring bar tool to depress the elastic pin from within the case, remove the worn strap, and insert the new strap ensuring the pins lock completely into the case lugs. For timepieces of this calibre, professional assistance is advisable to prevent damage to the lugs.

Is an aftermarket strap compatible with the Datejust 31 278288rbr-0023?

Yes, any strap with a 16-millimetre lug width is compatible with the Datejust 31 278288rbr-0023, regardless of manufacturer. However, to preserve the value and aesthetic integrity of such a timepiece, choosing straps crafted from premium leathers (alligator, Hermès calf, shell cordovan) and constructed with artisanal standards that respect Rolex finishing benchmarks is strongly recommended.

What is the typical lifespan of a leather strap on a Datejust 31?

Leather strap durability depends on material type, frequency of wear, and environmental conditions. A quality artisanal alligator strap typically lasts 5-7 years with regular maintenance; shell cordovan may endure 8-10 years due to its structural density. Calf leather is more vulnerable to wear, with an average lifespan of 3-5 years. Humidity exposure and perspiration accelerate ageing; subtle patina is natural, whilst deep cracking indicates replacement necessity.

The next step

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