Rolex · Day-Date 36
Strap for Day-Date 36 Everose Fluted / Strap / Pink MOP Carousel
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 118135-0068
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 118135-0068, seen from the bench
Frequently asked questions
What is the lug width of the Rolex Day-Date 36 118135-0068?
The Rolex Day-Date 36 reference 118135-0068 features a lug width of 20 millimetres. This measurement is critical for strap compatibility: the strap must fit the two lugs of the case precisely without gaps or forced insertion. Recommended measurement method: use a digital calliper, position it perpendicularly to the lugs, and read the internal value. Tolerances of ±0.2 mm affect both aesthetics and wearing security.
Which strap should I choose for the Day-Date 36 118135-0068 in rose gold?
Aesthetic pairing depends on case finish and context of wear. For formal occasions: alligator in dark brown or cognac, which mirrors the tonal presence of rose gold. For refined sophistication we recommend shell cordovan with natural patina aged toward burgundy-mahogany tones. For contemporary styling: calf leather in vegetable tanning in grey stone or taupe. For daily versatility: satin-finished black rubber with stainless steel buckle, or navy blue silk NATO. Always prioritise noble materials: genuine alligator (not crocodile), cordovan from horse belly, certified European calf in vegetable tanning.
How do I change the strap on a Rolex Day-Date 36 118135-0068?
The procedure requires specific tools: a strap tool (spring bar tool) with flat prongs, and a stable work surface. Position the watch case-up, locate the pins securing the strap to the lugs. Insert the tool into the longitudinal groove of the lug, applying gentle pressure to extract the pin from one side first, then the other. Remove the worn strap. Align the holes of the new strap to the lugs, reinsert the pins one side at a time, verifying alignment. Do not force: the pin must glide smoothly. We recommend entrusting this operation to a qualified watchmaker to avoid damage to the case.
Is an aftermarket 20mm strap compatible with the Rolex Day-Date 36 118135-0068?
Yes, provided it respects the 20 mm measurement rigorously. Mechanical compatibility does not guarantee aesthetic quality: a generic synthetic leather strap creates disharmony on a watch of absolute prestige. We recommend artisanal straps in noble materials (genuine alligator, shell cordovan, European calf): fibre density, natural patina, and elevated stitching quality complete the narrative aesthetic of the watch. Avoid synthetic "vintage" leather straps, plastic fittings, irregular stitching. A quality aftermarket strap enhances the watch without betraying its horological heritage.
How long does a leather strap last on a Rolex Day-Date 36?
Longevity depends on material, tanning method, usage, and maintenance. Alligator in certified vegetable tanning with 1.4–1.6 mm thickness resists 4–6 years of daily wear before requiring regeneration or replacement. Shell cordovan, thanks to natural fibre density, can reach 6–8 years with regular care (gentle cleaning, rapid drying, annual conditioning with natural creams). Calf in vegetable tanning averages 3–5 years of service life. Critical factors: ambient humidity, perspiration, sun exposure, buckle quality (bar buckle vs. deployant). A well-maintained strap develops patina rather than degradation: this is artisanal excellence.
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

