Rolex · Datejust 31
Strap for Datejust 31 Rolesor Yellow Fluted / Oyster / Steel Roman
Takes 16 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
Lug width
Straps for the Datejust 31 178273-0088
Selected for the 16 mm lug width
The Datejust 31 178273-0088, seen from the bench
Frequently asked questions
What is the lug width of the Rolex Datejust 31 178273-0088?
The Rolex Datejust 31 reference 178273-0088 has a lug width of 16mm. This is a specific measurement that differs from the more common 18mm or 20mm standards. It is essential to select a strap with a 16mm attachment to ensure a precise fit with no play between the lugs.
What is the best strap for the Rolex Datejust 31 178273-0088?
For the Datejust 31 178273-0088 in steel and yellow gold, a lacquered black or bordeaux alligator strap provides a formal contrast that enhances the gold bezel. Alternatively, a vegetable-tanned calf leather strap in cognac develops a natural patina that complements the warm gold tones. For everyday use, a vulcanised rubber or nylon NATO strap offers durability and versatility.
How do you change the strap on a Rolex Datejust 31 178273-0088?
To replace the strap on the Datejust 31 178273-0088, you will need a flat-tip springbar tool or a fine screwdriver to remove the springbars from the lugs. Work on a soft surface to avoid scratching the case. If you are not experienced with this procedure, it is advisable to consult a watchmaker or the Casati Milano atelier.
Are there aftermarket straps compatible with the Rolex Datejust 31 178273-0088?
Yes, there are artisanal aftermarket straps specifically made with a 16mm attachment for the Datejust 31 178273-0088. Milano Straps offers a curated selection of leather, rubber and nylon straps available online or fully bespoke through the Casati Milano atelier. It is important to ensure that the chosen strap has curved ends suited to the lug geometry of this reference.
How long does a leather strap last on a Rolex Datejust 31 178273-0088?
The longevity of a leather strap depends on the material, the quality of the tanning process and daily wear. A high-quality alligator or vegetable-tanned calf leather strap, properly maintained — kept away from prolonged water and perspiration exposure and treated with dedicated conditioners — can last between 3 and 7 years while retaining a distinguished appearance. Milano Straps 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 →Casati Milano · Via XX Settembre 15, Milan · by appointment only

