Rolex · Datejust 36
Strap for Datejust 36 Stainless Steel / Fluted / Silver Roman-Diamonds / 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 126234-0029
Selected for the 20 mm lug width · workshop selection
Black Alligator Strap with Light Blue Edges€210
Black Alligator Strap with White Edges€210
Millenium Cognac Alligator Strap€270
Matte Blue Alligator Strap€270
Green Rubberized Alligator Strap with Ecru Tribal Stitching€185
The Datejust 36 126234-0029, seen from the bench
Frequently asked questions
What is the lug width of the Rolex Datejust 36 126234-0029?
The Rolex Datejust 36 126234-0029 features a 20-millimetre lug width. This dimension is the standard specification for recent-generation Datejust 36 models and is the fundamental parameter for selecting a compatible strap. Measurement should be taken between the two metal terminals (the anchor rings) located at the extremities of the case, excluding the case metal itself.
Which strap is recommended for the Datejust 36 126234-0029?
For the Datejust 36 in two-tone white gold and steel, the most coherent choice is alligator with vegetable tanning, in dark brown or black. Natural shell cordovan and grained calf are equally valid premium alternatives. For those seeking sportier versatility, preshrunk canvas NATO straps or vulcanised FKM rubber ensure an uncompromised wear experience. All options must feature a 20mm lug width.
How do I change the strap on a Rolex Datejust 36?
The procedure requires a specific tool called a strap remover or, alternatively, a small precision cross-head screwdriver. Position the watch on a soft surface (microfibre cloth), locate the pins that traverse the lug from one side of the case to the other, and gently press the pin inward using the tool. Once the pin is freed on one side, remove it completely along with the old strap. Align the new strap (20mm) and reinsert the pin, ensuring it sits fully and does not protrude. This is a delicate operation but entirely achievable at home with care.
Can I use an aftermarket strap on my Datejust 36 126234-0029?
Yes, any strap with a 20-millimetre lug width is compatible with the Datejust 36. Artisanal high-quality straps, such as those crafted from alligator, shell cordovan, or vegetable-tanned calf, frequently offer superior aesthetic quality and longevity compared to many OEM solutions. Verify that the strap has been constructed to strict 20mm specifications and that the passant (the keeper allowing the strap to loop over the case) is properly dimensioned.
How long does a leather strap last on a regularly worn watch?
A leather strap's lifespan depends on tanning quality, thickness, leather type, and frequency of wear. An artisanally-crafted alligator or shell cordovan strap with vegetable tanning, constructed with proper thicknesses (1.4–1.6 millimetres), can easily last 5–8 years if worn daily on a watch such as the Datejust 36. Calf leather typically lasts 3–5 years. The primary cause of deterioration is moisture and perspiration rather than mechanical wear. Applying a natural balm every 6–8 months and allowing the strap to dry completely during periods of non-use significantly extends product 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

