Rolex · Datejust 41
Strap for Datejust 41 Stainless Steel Fluted / Blue - Roman / Jubilee
Takes 21 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
Lug width
Straps for the Datejust 41 126334-0026
Selected for the 21 mm lug width · workshop selection
Red Alligator Strap Water Resistant€195
Matte Dark Brown Alligator Strap€195
Matte Grey Alligator Strap€195
Hammered calfskin strap in cuoio€98
Grey Hammered Leather Strap with Ecru Stitching€98
The Datejust 41 126334-0026, seen from the bench
Frequently asked questions
What is the lug width of the Rolex Datejust 41 126334-0026?
The Rolex Datejust 41 in the 126334-0026 configuration features 21mm lugs (measured edge-to-edge of the internal hole). This dimension is specific to Rolex's 41mm Datejust and Submariner models. A properly dimensioned strap must respect this measurement to ensure lateral play-free fit and perfect alignment with the case lugs.
Which strap material is recommended for the Datejust 41?
For the Datejust 41 126334-0026, we recommend three primary choices: Niloticus alligator for maximum formality (fine grain texture, butter or chocolate tones), Horween shell cordovan for durability and natural luminosity, or vegetable-tanned calf for sobriety and developing patina over time. Selection depends on use context: alligator for formal occasions, cordovan for daily/formal alternance, calf for elegant understatement.
How do you change the strap on a Rolex Datejust 41?
Strap replacement requires releasing the spring bar connecting the lug to the case ends. Use a dedicated spring bar tool, insert the pin into the lateral groove and lift gently until disengagement. Remove the worn strap, position the new one by aligning holes with the lugs, reinsert the spring bar ensuring complete engagement. This delicate operation is recommended for experienced watchmakers or specialist services.
Is a 21mm aftermarket strap compatible with the Datejust 41 126334-0026?
Yes, an artisanal 21mm strap is fully compatible with the Datejust 41 126334-0026. What matters is verifying correct width fit to the case lugs and the strap's construction quality. At milanostraps.it you will find a selection of 21mm straps handcrafted and tested on Rolex Datejust 41 models, with 18-month warranty if realised by Casati Milano.
How long does a natural leather strap last on a daily-use watch?
The lifespan of a natural leather strap depends on frequency of use, environmental conditions (humidity, temperature, sun exposure) and material type. Vegetable-tanned calf subjected to daily use maintains structural integrity for 3–5 years; Niloticus alligator tends to last slightly less (2–4 years) due to reduced flexibility; Horween shell cordovan can exceed 5–6 years thanks to natural density. Regular maintenance (gentle cleaning, natural conditioning) significantly extends useful life.
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

