Rolex
Datejust 31 278240-0011— lug 16mm
Rolex Datejust 31 278240-0011: 16mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.
Artisanal Note
"This model requires a precise 16mm lug width to preserve the original sartorial balance."
Technical Specifications
Rolex 278240-0011The essential strap measurement.
Browse 16mm straps →278240-0011
Rolex caliber 2236 Hours, Minutes, Seconds | Date | Chronometer
The Heritage
Compatible Straps
Selected for the 16mm lug width of the Datejust 31
FAQ
What is the lug width of the Rolex Datejust 31 278240-0011?
The lug width of the Rolex Datejust 31 278240-0011 is 16 millimetres. This measurement represents the distance between the two metal spring bars that pass through the case lugs and secure the strap. Precise adherence to this specification is essential for safe mounting and proper proportioning on the wrist.
Which strap material is most suitable for the Rolex Datejust 31 278240-0011?
For the Rolex Datejust 31, alligator leather is recommended for formal elegance, vegetable-tanned calf leather for developing patina over time, shell cordovan for those who appreciate noble ageing, or natural rubber for sports versatility. Material selection depends on primary use and personal preference for texture and comfort.
How do you change the strap on a Rolex Datejust 31?
Strap replacement requires a spring bar tool. Insert the tool into the lateral gaps of the case lugs, gently lift the metal spring bar, and remove the old strap. Align the new strap's attachment points with the case holes and ensure the spring bar is completely locked into position. If uncertain, consult a professional watchmaker.
Can an aftermarket strap be fitted to a Rolex Datejust 31 278240-0011?
Yes, absolutely. The Datejust 31 accepts any high-quality strap with a 16mm lug width, including bespoke artisanal straps. Milanostraps offers compatible straps in various materials and finishes, providing hand-crafted construction with certified geometric compatibility with your timepiece.
What is the typical lifespan of a leather strap on a Rolex Datejust 31?
A quality leather strap typically lasts 3-5 years with daily wear. Longevity depends on leather type (alligator and shell cordovan tend to last longer), frequency of wear, exposure to humidity and perspiration, and maintenance practices. Casati Milano straps are guaranteed for 18 months against manufacturing defects.
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.
Request an appointment →By appointment only · Milan
The atelier's website: casatimilano.com