Rolex
Datejust 31 278384rbr-0014— lug 16mm
Rolex Datejust 31 278384rbr-0014: 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 278384rbr-0014The essential strap measurement.
Browse 16mm straps →278384rbr-0014
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 278384rbr-0014?
The Rolex Datejust 31 ref. 278384rbr-0014 has a lug width of 16mm. This measurement, taken with a digital calliper at the inner opening between the two lugs, is the key parameter for selecting any compatible aftermarket strap.
What is the best strap for the Rolex Datejust 31 278384rbr-0014?
For a white gold case with a diamond-set bezel, a Nile alligator strap in vegetable-tanned leather is the most coherent choice in terms of quality and texture. Shell cordovan is a refined alternative for a strictly formal aesthetic. Smooth calfskin or vulcanised rubber suit more casual daily wear whilst maintaining the water resistance of calibre 2236.
How do you change the strap on a Rolex Datejust 31 278384rbr-0014?
Strap replacement requires a 1.8mm springbar tool. Remove the two springbars securing the original bracelet to the lugs, then fit the new 16mm strap. The operation requires care: plastic-tipped tools are recommended to protect the white gold surfaces. Professional assistance from a watchmaker or Casati Milano atelier is advisable.
Is there a compatible aftermarket strap for the Rolex Datejust 31 278384rbr-0014?
Yes. Any strap with a 16mm attachment and compatible springbars is technically mountable on the Datejust 31 278384rbr-0014. Milano Straps offers a curated selection of handcrafted 16mm straps available online or fully bespoke through the Casati Milano atelier, with custom colour and material options.
How long does a leather strap last on a Rolex Datejust 31?
Longevity depends on material and usage. A quality vegetable-tanned alligator strap, properly maintained (nourishing cream every 3–4 months, kept away from prolonged moisture), retains structural and aesthetic integrity for 3 to 5 years of daily wear. Shell cordovan, due to its dense fibre structure, typically lasts even longer. All Casati Milano straps carry 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