Rolex
Datejust 31 278274-0028— lug 16mm
Rolex Datejust 31 278274-0028: 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 278274-0028The essential strap measurement.
Browse 16mm straps →278274-0028
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 278274-0028?
The lug width (ansa width) of the Rolex Datejust 31 reference 278274-0028 is 16mm. This measurement should be verified using a digital calliper on the internal width of the case lugs, ensuring accuracy when selecting a compatible strap.
Which strap do you recommend for the two-tone Datejust 31?
For the two-tone steel and white gold configuration, alligator leather in dark brown or black represents the most balanced aesthetic choice, emphasising the understated elegance of the case. Alternatively, burgundy shell cordovan offers daily versatility with natural patina development.
How do I change the strap on a Rolex Datejust 31?
Strap removal requires a spring bar tool to disengage the pins from the lugs. Position the watch on a stable surface, insert the thin blade under the spring bar, apply gentle pressure to compress the internal spring, and slide the pin free from the lug. Repeat on the opposite side, then install the new strap by reversing the procedure.
Can I use an aftermarket strap on the Datejust 31 278274-0028?
Yes, provided the lug width is exactly 16mm. Artisanal quality leather straps (alligator, calf, shell cordovan) or rubber are fully compatible with the Datejust 31. Always verify the measurement before purchase to avoid lateral play on the lugs.
How long does a leather strap last on a daily-wear watch?
A quality leather strap (alligator, vegetable-tanned calf, shell cordovan) withstands 3-5 years of daily use whilst developing natural patina and aesthetic character. Longevity depends on environmental exposure (humidity, direct sunlight), cleaning frequency, and tanning robustness. Casati Milano straps include an 18-month warranty 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