Rolex · Pearlmaster
Strap for Datejust Pearlmaster 34 Everose 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 81405rbr-0001, seen from the bench
Frequently asked questions
What is the lug width of the Rolex Pearlmaster 81405RBR-0001?
The Rolex Pearlmaster 81405RBR-0001 features a lug width of 17mm. This measurement is specific to this 34mm version of the Pearlmaster and does not correspond to the more common 18mm or 20mm standards. Before purchasing an aftermarket strap, it is advisable to verify the internal distance between the two lugs using a digital calliper.
What is the best strap for the Rolex Pearlmaster 81405RBR-0001?
For an 18kt rose gold case set with diamonds, a glossy alligator belly strap in bordeaux or cognac tones is the most aesthetically coherent choice. Alternatively, vegetable-tanned calf leather develops a warm patina over time that harmonises naturally with rose gold. Shell cordovan in burgundy offers a fine grain and compact texture well suited to a more tailored aesthetic.
How do you change the strap on a Rolex Pearlmaster 81405RBR-0001?
Strap replacement requires a 1.8mm springbar tool suited to the 17mm lugs of the Pearlmaster. Insert the tool into the channel between the lug and the spring bar, compress the bar and slide the strap out. The operation should be carried out on a soft surface to avoid scratching the rose gold case. For timepieces of this value, it is recommended to seek assistance from a qualified watchmaker or the Casati Milano atelier.
Are there aftermarket straps compatible with the Rolex Pearlmaster 81405RBR-0001?
Yes. The 17mm format is less common but available from specialist artisan manufacturers. Quality aftermarket straps feature a straight or slightly curved end compatible with the Pearlmaster lugs. Milanostraps.it offers a selection of 17mm straps in various materials and finishes, crafted to fit the precise geometry of this model.
How long does a leather strap last on a Rolex Pearlmaster 81405RBR-0001?
Longevity depends on the material and frequency of use. A quality alligator strap, with regular but not daily wear, retains its structural and aesthetic properties for 3–5 years. Vegetable-tanned calf leather, being more porous, is more susceptible to moisture and requires periodic conditioning with a neutral cream. Shell cordovan, owing to its dense fibre structure, is among the most durable. Casati Milano offers an 18-month guarantee against manufacturing defects on every bespoke strap.
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

