Rolex · Pearlmaster
Strap for Datejust Pearlmaster 34 White Gold Diamond / Paved Roman
Takes 17 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
Lug width
The Pearlmaster 81409rbr-0001, seen from the bench
Frequently asked questions
What is the exact lug width of the Rolex Pearlmaster 81409rbr-0001?
The lug width of the Rolex Pearlmaster 81409rbr-0001 is 17 millimetres. This measurement represents the width of the case lug where the strap is attached. It must be verified with millimetre precision using a digital calliper, measuring from inner lug to inner lug. A measurement error compromises the compatibility of aftermarket straps.
What is the best strap material for the Pearlmaster 81409rbr-0001?
Alligator remains the predominant material choice for the Pearlmaster 81409rbr-0001, thanks to its fine texture, natural flexibility and the patina it develops over time. Shell cordovan is an excellent alternative for those who appreciate a pronounced wave texture, or vegetable-tanned calf leather for immediate softness. The choice depends on intended use and personal aesthetic preferences.
How do I change the strap on the Rolex Pearlmaster 81409rbr-0001?
Changing the strap on the Pearlmaster 81409rbr-0001 requires the use of a spring bar removal tool to remove the lateral pins that secure the current strap. Once the pins are removed, the old strap lifts out easily. The new strap, with 17mm lug width, is inserted by aligning the lugs with the case slots and reinserting the pins. It is recommended to have this operation performed by a professional watchmaker to avoid damage to the case.
Can I use an aftermarket strap with 17mm lug width on my Pearlmaster 81409rbr-0001?
Yes, it is possible to use aftermarket straps compatible with 17mm lug width, provided the width is verified with precision. Casati Milano produces bespoke straps tailored to the Pearlmaster 81409rbr-0001, available both through bespoke order at the Milan atelier and online. All straps are supplied with an 18-month warranty against manufacturing defects.
What is the average lifespan of a leather strap for the Pearlmaster 81409rbr-0001?
A premium leather strap for the Pearlmaster 81409rbr-0001 lasts on average 5-7 years with moderate daily use, extending considerably to 10-12 years if the watch is reserved for specific occasions. Longevity depends on tanning quality, intensity of use, ambient humidity and maintenance. Shell cordovan straps tend to last longer than alligator, due to the superior molecular density of the leather.
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

