Rolex · Day-Date 36
Strap for Day-Date 36 Yellow Gold Fluted / President / Champagne Diamonds
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 118238-0116
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 118238-0116, seen from the bench
Frequently asked questions
What is the lug width of the Rolex Day-Date 36 118238-0116?
The lug width of the Rolex Day-Date 36 118238-0116 is precisely 20mm. This measurement represents the internal distance between the two spring bar pins protruding from the case and determines compatibility with straps. It is essential to measure correctly, excluding the pin diameter itself, to avoid ordering errors.
Which strap is most suitable for the Rolex Day-Date 36 in yellow gold?
For the Day-Date 36 118238-0116 in yellow gold, black or burgundy alligator represents the formal choice par excellence. Dark brown shell cordovan is an alternative of extraordinary quality with remarkable patina development. Cognac vegetable-tanned calf offers sophisticated dynamics for less formal contexts. We advise against rubber or NATO straps for this model, which requires absolute aesthetic sobriety.
How do you change the strap on a Rolex Day-Date 36?
Changing the strap on the Day-Date 36 118238-0116 requires a professional spring bar tool to extract the pins from their seats. It is advisable to have the operation performed by a qualified watchmaker to avoid damage to the gold case or contact points. Casati Milano offers professional mounting service for artisanal 20mm straps.
Is an aftermarket 20mm strap genuinely compatible with the 118238-0116?
Yes, any strap with a 20mm lug width is technically compatible with the Day-Date 36 118238-0116. However, technical compatibility does not guarantee aesthetic appropriateness: the model requires sober materials and tones. Always verify the precise measurement with your watchmaker before ordering to exclude constructive variations.
How long does a leather strap last on a Rolex Day-Date 36?
The lifespan of a leather strap depends on the material: alligator and shell cordovan resist 4-6 years with daily use thanks to fibre density; smooth calf has longevity of 2-3 years in intensive contexts. Casati Milano provides an 18-month guarantee on manufacturing defects and advises periodic leather conditioning to preserve elasticity.
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

