Rolex · Datejust 31
Strap for Datejust 31 Yellow Gold Diamond / Oyster / Champagne Diamond
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 178288-0041
Selected for the 16 mm lug width
The Datejust 31 178288-0041, seen from the bench
Frequently asked questions
What is the exact lug width of the Rolex Datejust 31 178288-0041?
The lug width of the Rolex Datejust 31 178288-0041 is precisely 16 millimetres. This measurement represents the linear distance between the internal lugs of the case and is essential for ensuring strap compatibility. Accurate measurement prevents compatibility issues and guarantees a perfect fit on the wrist.
Which strap is best suited for the yellow gold Rolex Datejust 31?
For the Datejust 31 178288-0041 in yellow gold, authentic alligator leather in brown or Italian calf leather with vegetable tanning represent the most refined choices. Alligator enhances the prestige of the precious case, whilst vegetable-tanned calf develops a natural patina that ages beautifully over time. For more casual contexts, a NATO fabric strap offers durability and versatility whilst maintaining high quality standards.
How is the strap changed on a Rolex Datejust 31?
Changing the strap on a Rolex Datejust 31 involves removing the two spring bars that connect the lugs to the case. A spring bar tool with a thin blade is used to gently push the pins inward to release them. The spring bars are then inserted into the new strap and repositioned on the yellow gold case. It is advisable to seek expert assistance if you lack experience, to avoid scratching the precious metal.
Are aftermarket straps compatible with the 178288-0041?
Yes, any strap with a 16mm lug width is compatible with the Rolex Datejust 31 178288-0041. Milanostraps offers certified artisanal straps made from premium materials such as alligator, calf leather, and NATO. Compatibility is guaranteed by the standardised 16-millimetre lug width.
What is the lifespan of a leather strap on a Rolex Datejust 31?
A high-quality artisanal leather strap, such as those crafted by Casati Milano, typically lasts 3 to 5 years with daily use. Longevity depends on leather type (alligator generally outlasts calf), frequency of use, and maintenance practices. Vegetable-tanned calf leather ages magnificently, developing a patina that enhances its appeal over time.
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

