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Rolex · Datejust 31

Strap for Datejust 31 Stainless Steel/ Rose Gold / Fluted / Silver - Diamond / Jubilee

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

Lug width

16mm
16 mm strapsAll Rolex
Lug width16 mm
Case diameter31 mm
Reference278271-0016
FamilyDatejust 31
MovementRolex caliber 2236 hours, minutes, seconds | date | chronometer
Year2019
CaseRose Gold, Stainless Steel

Spring bar

Spring bars for Rolex

The right category for this model · choose the 16 mm size

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Straps for the Datejust 31 278271-0016

Selected for the 16 mm lug width

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The Datejust 31 278271-0016, seen from the bench

The Rolex Datejust 31 278271-0016 features a 31mm case in Everose Rolesor, combining Oystersteel and 18kt Everose gold, with an Everose gold bezel set with brilliant-cut diamonds. It houses the Rolex caliber 2236 movement with a Syloxi silicon balance wheel and COSC certification. The watch features central hours, minutes, seconds, and a date window with Cyclops magnifier at 3 o'clock. The lug width is 16mm, a precise measurement for strap replacement and customization without adapters or aesthetic compromise.

Frequently asked questions

What is the lug width of the Rolex Datejust 31 278271-0016?

The Rolex Datejust 31 278271-0016 has a lug width of 16mm. This measurement should be taken with a digital calliper directly at the point where the strap meets the case, and determines compatibility with any aftermarket or bespoke strap.

What is the best strap for the Rolex Datejust 31 278271-0016?

For the Datejust 31 278271-0016 in Everose Rolesor, vegetable-tanned alligator leather in tobacco brown or burgundy tones is the most coherent choice given the model's formal and elegant register. Shell cordovan is an outstanding alternative for daily wear, developing a distinguished patina over time.

How do you change the strap on a Rolex Datejust 31 278271-0016?

Replacing the strap on the Datejust 31 requires a fine-tipped spring bar tool (1mm) to release the spring bars from the 16mm lugs. Work on a soft surface to protect the bezel and caseback. If in doubt, entrust the operation to a watchmaker or visit the Casati Milano atelier.

Are there aftermarket straps compatible with the Rolex Datejust 31 278271-0016?

Yes: any strap with a 16mm attachment width is technically compatible with the Datejust 31 278271-0016. Milano Straps offers a curated selection of handcrafted 16mm straps made specifically for this case diameter, available with a buckle or deployant clasp in steel or rose gold.

How long does a leather strap last on a Rolex Datejust 31?

A high-quality leather strap — vegetable-tanned alligator or shell cordovan — on a Datejust 31 typically lasts between 2 and 5 years with regular wear, depending on exposure to perspiration and moisture. The Milano Straps guarantee covers 18 months for manufacturing defects. Proper maintenance with leather conditioner significantly extends its lifespan.

The next step

The right strap isn't chosen. It is built, together.

From the atelier appointment to delivery, every step is made for those who know that things done well take time. Rare leathers, one piece at a time, eighteen months of warranty.

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Casati Milano · Via XX Settembre 15, Milan · by appointment only