Rolex · Datejust 36
Strap for Datejust 36 Stainless Steel / Everose / Fluted / Slate - Fluted - Diamond / Jubilee
Takes 20 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
Lug width
Straps for the Datejust 36 126231-0041
Selected for the 20 mm lug width · workshop selection
Matte Dark Gray Alligator Strap€195
Black Alligator Strap with Light Red Edging€149
Vintage Alligator Strap Cognac€195
Hammered Pink Strap with Ecru Stitching€98
Vintage Brown Calfskin Strap — Natural Patina€98
The Datejust 36 126231-0041, seen from the bench
Frequently asked questions
What is the lug width of the Rolex Datejust 36 126231-0041?
The lug width (ansa) of the Rolex Datejust 36 126231-0041 is 20 millimetres. This specification corresponds to the distance between the case lugs and is essential to ensure correct visual compatibility. A strap of different width would result in gaps at the case flanks or excess leather, compromising the designed proportions.
What is the best strap for the Datejust 36 126231-0041?
For a two-tone rose gold and stainless steel case, we recommend genuine alligator leather with uniform scale grain for formal elegance, or shell cordovan in cognac or rich brown for natural warmth and patina development over time. Vegetable-tanned calf leather represents a balanced choice: it ages by developing individual patina and complements the metals with understated sophistication. For daily versatility, a textile NATO strap or vulcanised FKM rubber with titanium deployante offer practicality without aesthetic compromise.
How do you change the strap on a Rolex Datejust 36?
The strap is replaced by removing the spring bars connecting the strap to the case lugs. Use a dedicated tool to slightly expand the spring bar and extract the old strap, then seat the new one. Note: the Datejust 36 requires 20mm-width straps exclusively. We recommend entrusting this operation to a qualified watchmaker if unfamiliar with the procedure, as spring bars can be damaged if twisted incorrectly.
Can an aftermarket strap for Datejust 36 126231-0041 be certified compatible?
Yes. A hand-crafted leather strap manufactured to correct technical specifications (20mm lug width, terminal compatible with the case) is entirely compatible. Specialist makers such as Casati Milano create bespoke straps for this model, guaranteeing material quality and artisanal construction. A certified aftermarket strap often exceeds Rolex's original offering in personalisation and leather durability.
How long does a leather strap last on a Rolex Datejust?
A quality leather strap, under regular use, has an expected lifespan of 3–7 years. Critical variables include frequency of wear, moisture and perspiration exposure, tanning quality, and leather type (shell cordovan typically outlasts basic alligator). Vegetable-tanned leather tends to develop pleasant patina and remains visually appealing beyond 7 years. Casati Milano's 18-month warranty covers manufacturing defects; replacement is simple and economical relative to the watch's value.
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

