Rolex · Datejust 31

Strap for Datejust 31 Stainless Steel Fluted / Jubilee / Pink

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
Reference278274-0014
FamilyDatejust 31
MovementRolex caliber 2236 hours, minutes, seconds | date | chronometer
Year2020
CaseWhite Gold, Stainless Steel

Spring bar

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Straps for the Datejust 31 278274-0014

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The Datejust 31 278274-0014, seen from the bench

The Datejust 31 represents the female version of the Rolex Datejust line, with a 31mm case diameter. It is powered by the automatic Calibre 2236 with official chronometer certification and displays hours, minutes, seconds and date. The lugs measure 16mm in width for the strap.

Frequently asked questions

What is the lug width of the Rolex Datejust 31 reference 278274-0014?

The Rolex Datejust 31 278274-0014 features a lug width of 16mm. This measurement, taken between the inner edges of the two lugs on the case, is the factory construction standard for this specific model. The 16mm width ensures harmonic proportion with the 31mm case diameter. To verify independently, use a digital calliper to measure the internal distance between the attachment points, ensuring the strap enters with slight pressure without forcing.

What is the best strap pairing for the bicolour Datejust 31?

For the Datejust 31 with stainless steel and 18K white gold case, we recommend a dark chocolate alligator with vegetable tanning: the natural patina developing over time mirrors the aged white gold, creating a parallel aesthetic evolution. Alternatively, Taurillon calf with fine grain, or for greater versatility, a cognac alligator with gold deployante. For casual wear, a silk-interwoven NATO maintains the visual lightness of the 31mm case.

How do I change the strap on a Rolex Datejust 31?

Strap replacement requires specific tools: a stainless steel spring bar removal tool (never use improvised objects that scratch the case). Position the watch on a soft pad to cushion the work. Locate the two spring bars connecting the lugs to the case, gently push them with the appropriate tool towards the centre until you feel the release point. Remove the old strap, replace it with the new one (ensuring it enters naturally without forcing) and reinsert the spring bars until they click audibly into position. If you lack precision in these movements, consult an official Rolex service centre or certified watch repairer.

Is a 16mm aftermarket strap compatible with the Datejust 31 278274-0014?

Yes, any strap with a 16mm lug width (measured internally between the attachment points) is compatible with the Datejust 31 278274-0014. Compatibility is mechanical and universal: the critical factor is that the width is precisely 16mm, neither narrower nor wider. Milanostraps offers artisanal straps in alligator, calf, shell cordovan and rubber specialised for 16mm width, all subject to quality control before dispatch.

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

A high-quality artisanal leather strap (vegetable-tanned alligator, Taurillon calf, shell cordovan) typically lasts 3–5 years with daily wear, depending on environment, humidity and rotation frequency with other straps. A drier wrist extends durability; persistent humidity (regular perspiration, daily showering) reduces it. Natural leather ages gracefully: it develops patina, minor edge wear, but rarely fails structurally. With professional changes and dry storage when not in use, durability extends to 5–7 years. FKM rubber lasts 4–6 years with less climatic variability.

The next step

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