Rolex · Day-Date 36
Strap for Day-Date 36 Yellow Gold Diamonds / President Diamonds / Green Paved
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 Day-Date 36 118348-0056
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 Day-Date 36 118348-0056, seen from the bench
Frequently asked questions
What is the exact lug width of the Rolex Day-Date 36 118348-0056?
The lug width of the Rolex Day-Date 36 118348-0056 is precisely 20 millimetres. This measurement must be verified by positioning a ruler perpendicularly between the two lugs, from inner wall to inner wall. A compatible strap must respect this dimension with minimal tolerance, as even 1 millimetre deviation causes excessive play or prevents mounting entirely.
Which strap material is most suitable for the yellow gold Day-Date 36?
For the Day-Date 36 118348-0056 in solid gold, Nile crocodile leather (belly cut) represents the canonical aesthetic choice: its natural texture creates tactile contrast against the yellow metal, and the leather develops over time a patina that visually dialogues with the microscratching of the case. Alternatively, vegetable-tanned calf leather offers exceptional structural integrity and a noble temporal patina.
How do I change the strap on my Day-Date 36?
To change the strap on your Day-Date 36, specific tools are required: a spring bar tool (lever for extracting the suspension pins) and a clean, well-lit work surface. Position the watch with the lug side facing upward, insert the tool into the narrow gap between the lug and case, and gently push until the pin retracts. Extract the pin, remove the old strap, and insert the new one. If you lack experience, it is advisable to consult a certified watchmaker or specialised atelier.
Can I use an aftermarket-compatible strap on my 118348-0056?
Yes, it is possible to use quality aftermarket straps in 20mm gauge. However, it is essential to select a manufacturer that guarantees millimetric precision in construction and uses noble leathers (crocodile, calf, shell cordovan). A bespoke strap of excellent quality is not only compatible but fully expresses the aesthetic potential of the Day-Date 36, permitting customisation that Rolex metal bracelets cannot offer.
What is the average lifespan of a leather strap on a daily-worn watch?
The lifespan of a leather strap depends on construction quality, frequency of wear, and environmental conditions. An artisanal strap crafted from noble leather (crocodile belly, vegetable-tanned calf) worn daily lasts approximately 3 to 5 years before lug-hole wear and leather fatigue necessitate replacement. Exposure to excessive humidity, direct heat, and prolonged perspiration accelerates ageing. With regular maintenance (drying, occasional conditioning), longevity can extend considerably further.
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

