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 width20 mm
Case diameter36 mm
Reference118235f-0096
FamilyDay-Date 36
MovementRolex caliber 3155 hours, minutes, seconds | date, day | chronometer
CaseRose Gold

Recommended spring bar

Spring bars Rolex Daytona 116520 — 20mm steel

Technical match for lug width and diameter · lug 20 mm · Ø 1.5 mm · closed lugs

All Rolex spring barsOpen →

Straps for the Day-Date 36 118235f-0096

Selected for the 20 mm lug width · workshop selection

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The Day-Date 36 118235f-0096, seen from the bench

The Day-Date 36 represents the contemporary version of the classic Rolex wristwatch with day and date indication. It is equipped with the automatic chronometer-certified caliber 3155 with hour, minute, second, date and day of the week functions. 36mm case with 20mm lugs, available exclusively in precious metals according to the tradition of the model.

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.

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Casati Milano · Via XX Settembre 15, Milan · by appointment only