Rolex · Day-Date 36
Strap for Day-Date 36 Yellow Gold Domed / President / Meteorite
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 118208-0119
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 118208-0119, seen from the bench
Frequently asked questions
What is the lug width of the Rolex Day-Date 36 118208-0119?
The Rolex Day-Date 36 model 118208-0119 features a lug width of 20 millimetres. This measurement is specific to this case and should not be confused with other Rolex models that also use 20mm lugs but have different attachment geometries. The strap must also respect a thickness between 3.8 and 4.2 millimetres to prevent unwanted lateral movement on the case.
Which strap is most suitable for the Rolex Day-Date 36 118208-0119?
Alligator in vegetable tanning is the canonical choice for the Day-Date 36 118208-0119, as the natural leather texture amplifies the patina of yellow gold over time. Shell cordovan offers superior water resistance and a compact, lustrous surface. For those preferring formal elegance, French calf such as Hermès Box guarantees uniform grain and tactile softness. Avoid straps that are too thin (below 3.5mm) or excessively thick (over 4.5mm).
How do I change the strap on the Rolex Day-Date 36 118208-0119?
The Day-Date 36 is equipped with a triple-threaded crown and fixed yellow gold caseback. To access the lug attachments, a specific caseback removal tool (three-legged remover or specialised lever) is required to unscrew the caseback — a procedure reserved for qualified watchmakers. DIY is not recommended, as the risk of scratching the yellow gold is high. The change typically takes 15-20 minutes at an authorised Rolex service centre.
Can I use an aftermarket compatible strap on this model?
Yes, provided the strap is explicitly certified as compatible with the Rolex Day-Date 36 118208-0119. A 20mm lug width is necessary but not sufficient: the geometry of the attachments—fall angles, seat depth, material thickness—must match the case specifications. Artisanal straps of quality, such as those produced by Casati Milano, are made to custom specifications relative to these tolerances and ensure flawless fit. Beware of generic 20mm straps not tested on this model.
How long does a leather strap last on a Rolex Day-Date 36?
The lifespan of a leather strap depends on the material, frequency of use, and environmental conditions. Vegetable-tanned alligator, if well maintained and not exposed to constant moisture, lasts 4-6 years of daily wear. Shell cordovan, more resilient and compact, can last 6-8 years. High-quality French calf varies from 3-5 years depending on tanning density. Primary wear manifests at the lugs and in the fold zone; constant exposure to salt sweat or tropical climates reduces longevity by 12-18 months. Regular maintenance (cleaning, drying, conditioning) significantly extends strap lifespan.
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

