Rolex · Day-Date 36
Strap for Day-Date 36 Everose Fluted / Oyster / Chocolate Diamonds Rubies
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 118235f-0096
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 118235f-0096, seen from the bench
Frequently asked questions
What is the lug width of the Rolex Day-Date 36 118235f-0096?
The Rolex Day-Date 36 118235f-0096 features a lug width of 20.00 millimetres. This measurement corresponds to the linear distance between the lugs where the strap is fitted to the case. It is a classic dimension for 36-millimetre dress watches, compatible with most high-quality straps specifically constructed for 20-millimetre widths.
What is the best strap type for a Rolex Day-Date 36?
For the Day-Date 36 in rose gold, we recommend straps in dark brown alligator, slate calf, or shell cordovan. Alligator represents the historical standard, developing a deep patina that amplifies the warmth of rose gold. Slate calf offers contemporary elegance with texture that captures light differently, while shell cordovan guarantees exceptional durability. For summer use, FKM rubber with integrated deployante clasp provides practicality without aesthetic compromise.
How do you change a Rolex strap?
Changing a Rolex strap requires removal of the spring bars from the case lugs. Position the watch on a soft base and use a dedicated spring bar tool to gently compress the spring bar and remove it from the lug groove. Extract the worn strap and insert the new one, aligning the spring bar horizontally. Verify that the strap is securely seated on both sides before wearing the watch again. For valuable Rolex watches, it is advisable to entrust the task to an authorised service centre or specialised craftsman.
Can I use an aftermarket strap on my Rolex Day-Date 36?
Yes, a high-quality aftermarket strap is perfectly compatible with the Rolex Day-Date 36 118235f-0096, provided it is specifically constructed for 20-millimetre lugs. Artisanal straps in alligator, vegetable-tanned calf, or shell cordovan do not alter the watch and offer customisation opportunities. Always select manufacturers who guarantee dimensional precision and hand-finished construction to avoid stress on the case lugs.
How long does a leather watch strap last?
The lifespan of a leather strap depends on material type and usage patterns. A high-quality alligator strap typically lasts 5–7 years with daily wear, developing a desirable patina. Vegetable-tanned calf has a similar lifespan of 4–6 years, provided it is not exposed to prolonged moisture. Shell cordovan, being denser, can last 8–10 years or longer. Regular maintenance (avoiding prolonged water exposure, applying leather-specific conditioners) significantly extends strap life. Casati Milano guarantees 18 months against manufacturing defects on custom-made straps.
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

